74AHC595; 74AHCT595
8-bit serial-in/serial-out or parallel-out shift register with
output latches
Rev. 5 — 4 July 2012
Product data sheet
1. General description
The 74AHC595; 74AHCT595 are high-speed Si-gate CMOS devices and are pin
compatible with Low-power Schottky TTL (LSTTL). They are specified in compliance with
JEDEC standard No. 7A.
The 74AHC595; 74AHCT595 are 8-stage serial shift registers with a storage register and
3-state outputs. The registers have separate clocks.
Data is shifted on the positive-going transitions of the shift register clock input (SHCP).
The data in each register is transferred to the storage register on a positive-going
transition of the storage register clock input (STCP). If both clocks are connected together,
the shift register will always be one clock pulse ahead of the storage register.
The shift register has a serial input (DS) and a serial standard output (Q7S) for cascading.
It is also provided with asynchronous reset (active LOW) for all 8 shift register stages. The
storage register has 8 parallel 3-state bus driver outputs. Data in the storage register
appears at the output whenever the output enable input (OE) is LOW.
2. Features and benefits
Balanced propagation delays
All inputs have Schmitt-trigger action
Inputs accept voltages higher than VCC
Input levels:
The 74AHC595 operates with CMOS input levels
The 74AHCT595 operates with TTL input levels
ESD protection:
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115-A exceeds 200 V
CDM JESD22-C101E exceeds 1000 V
Multiple package options
Specified from 40 C to +85 C and from 40 C to +125 C
3. Applications
Serial-to-parallel data conversion
Remote control holding register
74AHC595; 74AHCT595
Nexperia
8-bit serial-in/serial-out or parallel-out shift register with output latches
4. Ordering information
Table 1.
Ordering information
Type number
Package
Temperature range
Name
Description
Version
74AHC595D
40 C to +125 C
SO16
plastic small outline package; 16 leads; body
width 3.9 mm
SOT109-1
74AHC595PW
40 C to +125 C
TSSOP16
plastic thin shrink small outline package; 16 leads; SOT403-1
body width 4.4 mm
74AHC595BQ
40 C to +125 C
DHVQFN16
plastic dual in-line compatible thermal enhanced
very thin quad flat package; no leads;
16 terminals; body 2.5 3.5 0.85 mm
SOT763-1
74AHCT595D
40 C to +125 C
SO16
plastic small outline package; 16 leads; body
width 3.9 mm
SOT109-1
74AHCT595PW
40 C to +125 C
TSSOP16
plastic thin shrink small outline package; 16 leads; SOT403-1
body width 4.4 mm
74AHCT595BQ
40 C to +125 C
DHVQFN16
plastic dual in-line compatible thermal enhanced
very thin quad flat package; no leads;
16 terminals; body 2.5 3.5 0.85 mm
74AHC595
74AHCT595
SOT763-1
5. Functional diagram
14 DS
11 SHCP
10 MR
8-STAGE SHIFT REGISTER
Q7S
12 STCP
13 OE
9
8-BIT STORAGE REGISTER
3-STATE OUTPUTS
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
15 1
Fig 1.
2
3
4
5
6
7
mna554
Functional diagram
74AHC_AHCT595
Product data sheet
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Nexperia B.V. 2017. All rights reserved
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74AHC595; 74AHCT595
Nexperia
8-bit serial-in/serial-out or parallel-out shift register with output latches
13
EN3
12
11
10
SHCP STCP
C1/
1D
2D
3
2
3
4
4
5
Q5
5
6
Q6
6
7
Q7
7
OE
10
9
13
mna552
mna553
Logic symbol
Fig 3.
STAGE 0
D
IEC logic symbol
STAGES 1 TO 6
Q
D
STAGE 7
Q
D
Q7S
Q
FF7
FF0
CP
15
1
3
Q3
Q4
DS
R
2
Q2
Fig 2.
14
1
Q1
MR
SRG8
15
Q0
DS
11
9
Q7S
14
C2
12
CP
R
R
SHCP
MR
D
Q
D
Q
LATCH
LATCH
CP
CP
STCP
OE
mna555
Q0
Fig 4.
Q1 Q2 Q3 Q4 Q5 Q6
Q7
Logic diagram
74AHC_AHCT595
Product data sheet
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Rev. 5 — 4 July 2012
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3 of 22
74AHC595; 74AHCT595
Nexperia
8-bit serial-in/serial-out or parallel-out shift register with output latches
6. Pinning information
6.1 Pinning
terminal 1
index area
1
74AHC595
74AHCT595
16 VCC
Q1
74AHC595
74AHCT595
1
16 VCC
Q2
2
15 Q0
Q4
4
13 OE
Q3
3
14 DS
Q5
5
12 STCP
Q4
4
13 OE
Q6
6
Q5
5
12 STCP
Q7
7
Q6
6
11 SHCP
9
14 DS
Q1
Q7
7
10 MR
GND
8
Q7S
15 Q0
3
8
2
Q3
GND
Q2
9
Q7S
GND(1)
11 SHCP
10 MR
001aae483
Transparent top view
001aae538
(1) This is not a supply pin. The substrate is attached to this
pad using conductive die attach material. There is no
electrical or mechanical requirement to solder this pad.
However, if it is soldered, the solder land should remain
floating or be connected to GND.
Fig 5.
Pin configuration SO16 and TSSOP16
Fig 6.
Pin configuration DHVQFN16
6.2 Pin description
Table 2.
Pin description
Symbol
Pin
Description
Q1
1
parallel data output 1
Q2
2
parallel data output 2
Q3
3
parallel data output 3
Q4
4
parallel data output 4
Q5
5
parallel data output 5
Q6
6
parallel data output 6
Q7
7
parallel data output 7
GND
8
ground (0 V)
Q7S
9
serial data output
MR
10
master reset (active LOW)
SHCP
11
shift register clock input
STCP
12
storage register clock input
OE
13
output enable input (active LOW)
DS
14
serial data input
Q0
15
parallel data output 0
VCC
16
supply voltage
74AHC_AHCT595
Product data sheet
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Rev. 5 — 4 July 2012
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4 of 22
74AHC595; 74AHCT595
Nexperia
8-bit serial-in/serial-out or parallel-out shift register with output latches
7. Functional description
Function table[1]
Table 3.
Control
Input
Output
Function
SHCP STCP OE
MR
DS
Q7S
Qn
X
X
L
NC
X
L
L
a LOW-level on MR only affects the shift registers
X
L
L
X
L
L
empty shift register loaded into storage register
X
X
H
L
X
L
Z
shift register clear; parallel outputs in high-impedance OFF-state
X
L
H
H
Q6S
NC
logic HIGH-level shifted into shift register stage 0. Contents of all
shift register stages shifted through, e.g. previous state of stage 6
(internal Q6S) appears on the serial output (Q7S).
X
L
H
X
NC
QnS
contents of shift register stages (internal QnS) are transferred to
the storage register and parallel output stages
L
H
X
Q6S
QnS
contents of shift register shifted through; previous contents of the
shift register is transferred to the storage register and the parallel
output stages
[1]
H = HIGH voltage state;
L = LOW voltage state;
= LOW-to-HIGH transition;
X = don’t care;
NC = no change;
Z = high-impedance OFF-state.
DS
STCP
MR
OE
Z-state
Q0
Z-state
Q1
Z-state
Q6
Z-state
Q7
Q7S
Fig 7.
Timing diagram
74AHC_AHCT595
Product data sheet
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74AHC595; 74AHCT595
Nexperia
8-bit serial-in/serial-out or parallel-out shift register with output latches
8. Limiting values
Table 4.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
VCC
supply voltage
VI
input voltage
IIK
input clamping current
VI < 0.5 V
[1]
IOK
output clamping current
VO < 0.5 V or VO > VCC + 0.5 V
[1]
IO
output current
VO = 0.5 V to (VCC + 0.5 V)
ICC
IGND
Tstg
storage temperature
Min
Max
Unit
0.5
+7.0
V
0.5
+7.0
V
20
-
mA
20
+20
mA
25
+25
mA
supply current
-
+75
mA
ground current
75
-
mA
65
+150
C
-
500
mW
total power dissipation
Ptot
Conditions
Tamb = 40 C to +125 C
[2]
[1]
The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
[2]
For SO16 packages: above 70 C the value of Ptot derates linearly at 8 mW/K.
For TSSOP16 packages: above 60 C the value of Ptot derates linearly at 5.5 mW/K.
For DHVQFN16 packages: above 60 C the value of Ptot derates linearly at 4.5 mW/K.
9. Recommended operating conditions
Table 5.
Operating conditions
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
2.0
5.0
5.5
V
74AHC595
VCC
supply voltage
VI
input voltage
0
-
5.5
V
VO
output voltage
0
-
VCC
V
Tamb
ambient temperature
40
+25
+125
C
t/V
input transition rise and fall rate VCC = 3.0 V to 3.6 V
-
-
100
ns/V
VCC = 4.5 V to 5.5 V
-
-
20
ns/V
74AHCT595
VCC
supply voltage
4.5
5.0
5.5
V
VI
input voltage
0
-
5.5
V
VO
output voltage
0
-
VCC
V
Tamb
ambient temperature
40
+25
+125
C
t/V
input transition rise and fall rate VCC = 4.5 V to 5.5 V
-
-
20
ns/V
74AHC_AHCT595
Product data sheet
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Rev. 5 — 4 July 2012
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Nexperia B.V. 2017. All rights reserved
6 of 22
74AHC595; 74AHCT595
Nexperia
8-bit serial-in/serial-out or parallel-out shift register with output latches
10. Static characteristics
Table 6.
Static characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
25 C
Conditions
40 C to +85 C 40 C to +125 C Unit
Min
Typ
Max
Min
Max
Min
Max
VCC = 2.0 V
1.5
-
-
1.5
-
1.5
-
V
VCC = 3.0 V
2.1
-
-
2.1
-
2.1
-
V
VCC = 5.5 V
3.85
-
-
3.85
-
3.85
-
V
VCC = 2.0 V
-
-
0.5
-
0.5
-
0.5
V
VCC = 3.0 V
-
-
0.9
-
0.9
-
0.9
V
VCC = 5.5 V
-
-
1.65
-
1.65
-
1.65
V
HIGH-level
VI = VIH or VIL
output voltage
IO = 50 A; VCC = 2.0 V
1.9
2.0
-
1.9
-
1.9
-
V
IO = 50 A; VCC = 3.0 V
2.9
3.0
-
2.9
-
2.9
-
V
IO = 50 A; VCC = 4.5 V
4.4
4.5
-
4.4
-
4.4
-
V
IO = 4.0 mA; VCC = 3.0 V
2.58
-
-
2.48
-
2.40
-
V
IO = 8.0 mA; VCC = 4.5 V
74AHC595
VIH
VIL
VOH
VOL
HIGH-level
input voltage
LOW-level
input voltage
3.94
-
-
3.80
-
3.70
-
V
LOW-level
VI = VIH or VIL
output voltage
IO = 50 A; VCC = 2.0 V
-
0
0.1
-
0.1
-
0.1
V
IO = 50 A; VCC = 3.0 V
-
0
0.1
-
0.1
-
0.1
V
IO = 50 A; VCC = 4.5 V
-
0
0.1
-
0.1
-
0.1
V
IO = 4.0 mA; VCC = 3.0 V
-
-
0.36
-
0.44
-
0.55
V
IO = 8.0 mA; VCC = 4.5 V
-
-
0.36
-
0.44
-
0.55
V
-
-
0.1
-
1.0
-
2.0
A
II
input leakage
current
VI = 5.5 V or GND;
VCC = 0 V to 5.5 V
IOZ
OFF-state
VI = VIH or VIL;
output current VO = VCC or GND; VCC = 5.5 V
-
-
0.25
-
2.5
-
10
A
ICC
supply current VI = VCC or GND; IO = 0 A;
VCC = 5.5 V
-
-
4.0
-
40
-
80
A
CI
input
capacitance
-
3
10
-
10
-
10
pF
74AHCT595
VIH
HIGH-level
input voltage
VCC = 4.5 V to 5.5 V
2.0
-
-
2.0
-
2.0
-
V
VIL
LOW-level
input voltage
VCC = 4.5 V to 5.5 V
-
-
0.8
-
0.8
-
0.8
V
VOH
HIGH-level
VI = VIH or VIL; VCC = 4.5 V
output voltage
IO = 50 A
4.4
4.5
-
4.4
-
4.4
-
V
3.94
-
-
3.80
-
3.70
-
V
-
0
0.1
-
0.1
-
0.1
V
-
-
0.36
-
0.44
-
0.55
V
IO = 8.0 mA
VOL
LOW-level
VI = VIH or VIL; VCC = 4.5 V
output voltage
IO = 50 A
IO = 8.0 mA
74AHC_AHCT595
Product data sheet
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Rev. 5 — 4 July 2012
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Nexperia B.V. 2017. All rights reserved
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74AHC595; 74AHCT595
Nexperia
8-bit serial-in/serial-out or parallel-out shift register with output latches
Table 6.
Static characteristics …continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
25 C
Conditions
Min
Typ
Max
Min
Max
Min
Max
-
-
0.1
-
1.0
-
2.0
A
II
input leakage
current
IOZ
OFF-state
VI = VIH or VIL;
output current VO = VCC or GND per input pin;
other inputs at VCC or GND;
IO = 0 A; VCC = 5.5 V
-
-
0.25
-
2.5
-
10
A
ICC
supply current VI = VCC or GND; IO = 0 A;
VCC = 5.5 V
-
-
4.0
-
40
-
80
A
ICC
additional
per input pin; VI = VCC 2.1 V;
supply current other inputs at VCC or GND;
IO = 0 A; VCC = 4.5 V to 5.5 V
-
-
1.35
-
1.5
-
1.5
mA
CI
input
capacitance
-
3
10
-
10
-
10
pF
74AHC_AHCT595
Product data sheet
VI = 5.5 V or GND;
VCC = 0 V to 5.5 V
40 C to +85 C 40 C to +125 C Unit
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Rev. 5 — 4 July 2012
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Nexperia B.V. 2017. All rights reserved
8 of 22
74AHC595; 74AHCT595
Nexperia
8-bit serial-in/serial-out or parallel-out shift register with output latches
11. Dynamic characteristics
Table 7.
Dynamic characteristics
Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 13.
Symbol Parameter
25 C
Conditions
40 C to +85 C 40 C to +125 C Unit
Min
Typ[1]
Max
Min
Max
Min
Max
CL = 15 pF
-
5.7
13.0
1.0
15.0
1.0
16.5
ns
CL = 50 pF
-
7.7
16.5
1.0
18.5
1.0
20.1
ns
-
4.0
8.2
1.0
9.4
1.0
10.5
ns
-
5.4
10.0
1.0
11.4
1.0
12.5
ns
CL = 15 pF
-
5.9
11.9
1.0
13.5
1.0
15.0
ns
CL = 50 pF
-
7.7
15.4
1.0
17.0
1.0
18.5
ns
-
4.2
7.4
1.0
8.5
1.0
9.5
ns
-
5.5
9.0
1.0
10.5
1.0
11.5
ns
CL = 15 pF
-
5.9
12.8
1.0
13.7
1.0
15.0
ns
CL = 50 pF
-
7.4
16.3
1.0
17.2
1.0
18.7
ns
CL = 15 pF
-
4.4
8.0
1.0
9.1
1.0
10.0
ns
CL = 50 pF
-
5.6
10.0
1.0
11.1
1.0
12.0
ns
74AHC595
tpd
propagation SHCP to Q7S; see Figure 8
delay
VCC = 3.0 V to 3.6 V
[2]
VCC = 4.5 V to 5.5 V
CL = 15 pF
CL = 50 pF
STCP to Qn; see Figure 9
[2]
VCC = 3.0 V to 3.6 V
VCC = 4.5 V to 5.5 V
CL = 15 pF
CL = 50 pF
MR to Q7S; see Figure 11
[3]
VCC = 3.0 V to 3.6 V
VCC = 4.5 V to 5.5 V
ten
enable time OE to Qn; see Figure 12
[4]
VCC = 3.0 V to 3.6 V
CL = 15 pF
-
5.6
11.5
1.0
13.5
1.0
15.0
ns
CL = 50 pF
-
7.4
15.0
1.0
17.0
1.0
18.5
ns
-
4.0
8.6
1.0
10.0
1.0
11.0
ns
-
5.3
10.6
1.0
12.0
1.0
13.0
ns
CL = 15 pF
-
5.4
11.0
1.0
13.0
1.0
14.5
ns
CL = 50 pF
-
8.7
15.7
1.0
16.2
1.0
17.5
ns
CL = 15 pF
-
3.8
8.0
1.0
9.5
1.0
10.5
ns
CL = 50 pF
-
5.8
10.3
1.0
11.0
1.0
12.0
ns
VCC = 4.5 V to 5.5 V
CL = 15 pF
CL = 50 pF
tdis
disable time OE to Qn; see Figure 12
[5]
VCC = 3.0 V to 3.6 V
VCC = 4.5 V to 5.5 V
74AHC_AHCT595
Product data sheet
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Nexperia B.V. 2017. All rights reserved
9 of 22
74AHC595; 74AHCT595
Nexperia
8-bit serial-in/serial-out or parallel-out shift register with output latches
Table 7.
Dynamic characteristics …continued
Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 13.
Symbol Parameter
fmax
tW
maximum
frequency
pulse width
25 C
Conditions
40 C to +85 C 40 C to +125 C Unit
Min
Typ[1]
Max
Min
Max
Min
Max
VCC = 3.0 V to 3.6 V
80
125
-
60
-
40
-
MHz
VCC = 4.5 V to 5.5 V
130
170
-
110
-
90
-
MHz
VCC = 3.0 V to 3.6 V
5.0
-
-
5.0
-
5.0
-
ns
VCC = 4.5 V to 5.5 V
5.0
-
-
5.0
-
5.0
-
ns
VCC = 3.0 V to 3.6 V
5.0
-
-
5.0
-
5.0
-
ns
VCC = 4.5 V to 5.5 V
5.0
-
-
5.0
-
5.0
-
ns
VCC = 3.0 V to 3.6 V
5.0
-
-
5.0
-
5.0
-
ns
VCC = 4.5 V to 5.5 V
5.0
-
-
5.0
-
5.0
-
ns
VCC = 3.0 V to 3.6 V
3.5
-
-
3.5
-
3.5
-
ns
VCC = 4.5 V to 5.5 V
3.0
-
-
3.0
-
3.0
-
ns
VCC = 3.0 V to 3.6 V
8.5
-
-
8.5
-
8.5
-
ns
VCC = 4.5 V to 5.5 V
5.0
-
-
5.0
-
5.0
-
ns
VCC = 3.0 V to 3.6 V
1.5
-
-
1.5
-
1.5
-
ns
VCC = 4.5 V to 5.5 V
2.0
-
-
2.0
-
2.0
-
ns
3.0
-
-
3.0
-
3.0
-
ns
2.5
-
-
2.5
-
2.5
-
ns
-
180
-
-
-
-
-
pF
-
3.8
8.2
1.0
9.0
1.0
10.0
ns
-
5.2
10.0
1.0
11.0
1.0
12.0
ns
-
4.0
7.4
1.0
8.5
1.0
9.5
ns
-
5.3
9.0
1.0
10.5
1.0
11.5
ns
CL = 15 pF
-
4.6
8.2
1.0
9.5
1.0
10.5
ns
CL = 50 pF
-
5.8
10.5
1.0
11.5
1.0
12.5
ns
SHCP or STCP;
see Figure 8 and 9
SHCP HIGH or LOW;
see Figure 8
STCP HIGH or LOW;
see Figure 9
MR LOW; see Figure 11
tsu
set-up time
DS to SHCP; see Figure 9
SHCP to STCP;
see Figure 10
th
trec
hold time
recovery
time
DS to SHCP; see Figure 10
MR to SHCP; see Figure 11
VCC = 3.0 V to 3.6 V
VCC = 4.5 V to 5.5 V
CPD
power
fi = 1 MHz; VI = GND to VCC
dissipation
capacitance
[6]
[7]
74AHCT595; VCC = 4.5 V to 5.5 V
tpd
propagation SHCP to Q7S; see Figure 8
delay
CL = 15 pF
[2]
CL = 50 pF
STCP to Qn; see Figure 9
[2]
CL = 15 pF
CL = 50 pF
MR to Q7S; see Figure 11
74AHC_AHCT595
Product data sheet
[3]
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8-bit serial-in/serial-out or parallel-out shift register with output latches
Table 7.
Dynamic characteristics …continued
Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 13.
Symbol Parameter
25 C
Conditions
Min
ten
40 C to +85 C 40 C to +125 C Unit
Max
Min
Max
Min
Max
[4]
enable time OE to Qn; see Figure 12
CL = 15 pF
-
4.8
9.0
1.0
11.0
1.0
12.0
ns
CL = 50 pF
-
6.2
11.6
1.0
13.0
1.0
14.5
ns
-
3.6
6.9
1.0
8.0
1.0
9.0
ns
[5]
disable time OE to Qn; see Figure 12
tdis
Typ[1]
CL = 15 pF
-
5.8
10.3
1.0
11.0
1.0
12.0
fmax
maximum
frequency
SHCP and STCP;
see Figure 8 and 9
CL = 50 pF
130
170
-
110
-
90
-
MHz
tW
pulse width
SHCP HIGH or LOW;
see Figure 8
5.0
-
-
5.0
-
5.0
-
ns
STCP HIGH or LOW;
see Figure 9
5.0
-
-
5.0
-
5.0
-
ns
MR LOW; see Figure 11
5.0
-
-
5.0
-
5.0
-
ns
set-up time
tsu
ns
DS to SHCP; see Figure 9
3.0
-
-
3.0
-
3.0
-
ns
SHCP to STCP;
see Figure 10
5.0
-
-
5.0
-
5.0
-
ns
th
hold time
DS to SHCP; see Figure 10
2.0
-
-
2.0
-
2.0
-
ns
trec
recovery
time
MR to SHCP; see Figure 11
3.0
-
-
3.0
-
3.0
-
ns
CPD
power
fi = 1 MHz; VI = GND to VCC
dissipation
capacitance
-
190
-
-
-
-
-
pF
[1]
[7]
Typical values are measured at nominal supply voltage.
[2]
tpd is the same as tPHL and tPLH.
[3]
tpd is the same as tPHL only.
[4]
ten is the same as tPZL and tPZH.
[5]
tdis is the same as tPLZ and tPHZ.
[6]
[6]
CPD is used to determine the dynamic power dissipation (PD in W).
PD = CPD VCC2 fi + (CL VCC2 fo) where:
fi = input frequency in MHz;
fo = output frequency in MHz;
(CL VCC2 fo) = sum of outputs;
CL = output load capacitance in pF;
VCC = supply voltage in V.
[7]
All 9 outputs switching.
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8-bit serial-in/serial-out or parallel-out shift register with output latches
12. Waveforms
1/fmax
VI
SHCP input
VM
GND
tW
t PHL
t PLH
VOH
VM
Q 7S output
VOL
mna557
Measurement points are given in Table 8.
VOL and VOH are typical output voltage levels that occur with the output load.
Fig 8.
Shift clock pulse, maximum frequency and input to output propagation delays
VI
SHCP input
VM
GND
1/fmax
t su
VI
STCP input
VM
GND
tW
t PHL
t PLH
VOH
VM
Q n output
VOL
mna558
Measurement points are given in Table 8.
VOL and VOH are typical output voltage levels that occur with the output load.
Fig 9.
Storage clock to output propagation delays
74AHC_AHCT595
Product data sheet
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74AHC595; 74AHCT595
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8-bit serial-in/serial-out or parallel-out shift register with output latches
VI
VM
SHCP input
GND
t su
t su
th
th
VI
VM
DS input
GND
VOH
VM
Q 7S output
VOL
mna560
Measurement points are given in Table 8.
The shaded areas indicate when the input is permitted to change for predictable output performance.
VOL and VOH are typical output voltage levels that occur with the output load.
Fig 10. Data set-up and hold times
VI
VM
MR input
GND
tW
t rec
VI
SHCP input
VM
GND
t PHL
VOH
VM
Q 7S output
VOL
mna561
Measurement points are given in Table 8.
VOL and VOH are typical output voltage levels that occur with the output load.
Fig 11. Master reset to output propagation delays
74AHC_AHCT595
Product data sheet
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8-bit serial-in/serial-out or parallel-out shift register with output latches
VI
VM
OE input
GND
tPLZ
tPZL
VCC
output
LOW-to-OFF
OFF-to-LOW
VM
VOL + 0.3 V
VOL
tPHZ
VOH
tPZH
VOH − 0.3 V
output
HIGH-to-OFF
OFF-to-HIGH
VM
GND
outputs
enabled
outputs
enabled
outputs
disabled
mna450
Measurement points are given in Table 8.
VOL and VOH are typical output voltage levels that occur with the output load.
Fig 12. Enable and disable times
Table 8.
Measurement points
Type
Input
Output
VM
VM
74AHC595
0.5VCC
0.5VCC
74AHCT595
1.5 V
0.5VCC
74AHC_AHCT595
Product data sheet
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8-bit serial-in/serial-out or parallel-out shift register with output latches
VI
tW
90 %
negative
pulse
VM
0V
tf
tr
tr
tf
VI
90 %
positive
pulse
0V
VM
10 %
VM
VM
10 %
tW
VCC
VCC
G
VI
VO
RL
S1
open
DUT
CL
RT
001aad983
Test data is given in Table 9.
Definitions for test circuit:
CL = load capacitance including jig and probe capacitance.
RL = load resistance.
RT = termination resistance should be equal to the output impedance Zo of the pulse generator.
S1 = test selection switch.
Fig 13. Load circuitry for switching times
Table 9.
Test data
Type
Input
Load
S1 position
VI
tr, tf
CL
RL
tPHL, tPLH
tPZH, tPHZ
tPZL, tPLZ
74AHC595
VCC
3.0 ns
15 pF, 50 pF
1 k
open
GND
VCC
74AHCT595
3.0 V
3.0 ns
15 pF, 50 pF
1 k
open
GND
VCC
74AHC_AHCT595
Product data sheet
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74AHC595; 74AHCT595
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8-bit serial-in/serial-out or parallel-out shift register with output latches
13. Package outline
SO16: plastic small outline package; 16 leads; body width 3.9 mm
SOT109-1
D
E
A
X
c
y
HE
v M A
Z
16
9
Q
A2
A
(A 3)
A1
pin 1 index
θ
Lp
1
L
8
e
0
detail X
w M
bp
2.5
5 mm
scale
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
UNIT
A
max.
A1
A2
A3
bp
c
D (1)
E (1)
e
HE
L
Lp
Q
v
w
y
Z (1)
mm
1.75
0.25
0.10
1.45
1.25
0.25
0.49
0.36
0.25
0.19
10.0
9.8
4.0
3.8
1.27
6.2
5.8
1.05
1.0
0.4
0.7
0.6
0.25
0.25
0.1
0.7
0.3
0.01
0.019 0.0100 0.39
0.014 0.0075 0.38
0.039
0.016
0.028
0.020
inches
0.010 0.057
0.069
0.004 0.049
0.16
0.15
0.05
0.244
0.041
0.228
0.01
0.01
0.028
0.004
0.012
θ
8o
o
0
Note
1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included.
REFERENCES
OUTLINE
VERSION
IEC
JEDEC
SOT109-1
076E07
MS-012
JEITA
EUROPEAN
PROJECTION
ISSUE DATE
99-12-27
03-02-19
Fig 14. Package outline SOT109-1 (SO16)
74AHC_AHCT595
Product data sheet
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74AHC595; 74AHCT595
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8-bit serial-in/serial-out or parallel-out shift register with output latches
TSSOP16: plastic thin shrink small outline package; 16 leads; body width 4.4 mm
SOT403-1
E
D
A
X
c
y
HE
v M A
Z
9
16
Q
(A 3)
A2
A
A1
pin 1 index
θ
Lp
L
1
8
e
detail X
w M
bp
0
2.5
5 mm
scale
DIMENSIONS (mm are the original dimensions)
UNIT
A
max.
A1
A2
A3
bp
c
D (1)
E (2)
e
HE
L
Lp
Q
v
w
y
Z (1)
θ
mm
1.1
0.15
0.05
0.95
0.80
0.25
0.30
0.19
0.2
0.1
5.1
4.9
4.5
4.3
0.65
6.6
6.2
1
0.75
0.50
0.4
0.3
0.2
0.13
0.1
0.40
0.06
8o
o
0
Notes
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.
2. Plastic interlead protrusions of 0.25 mm maximum per side are not included.
OUTLINE
VERSION
SOT403-1
REFERENCES
IEC
JEDEC
JEITA
EUROPEAN
PROJECTION
ISSUE DATE
99-12-27
03-02-18
MO-153
Fig 15. Package outline SOT403-1 (TSSOP16)
74AHC_AHCT595
Product data sheet
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74AHC595; 74AHCT595
Nexperia
8-bit serial-in/serial-out or parallel-out shift register with output latches
DHVQFN16: plastic dual in-line compatible thermal enhanced very thin quad flat package; no leads;
SOT763-1
16 terminals; body 2.5 x 3.5 x 0.85 mm
A
B
D
A
A1
E
c
detail X
terminal 1
index area
terminal 1
index area
C
e1
e
2
7
y
y1 C
v M C A B
w M C
b
L
1
8
Eh
e
16
9
15
10
Dh
X
0
2.5
5 mm
scale
DIMENSIONS (mm are the original dimensions)
UNIT
mm
A(1)
max.
A1
b
1
0.05
0.00
0.30
0.18
c
D (1)
Dh
E (1)
Eh
0.2
3.6
3.4
2.15
1.85
2.6
2.4
1.15
0.85
e
0.5
e1
L
v
w
y
y1
2.5
0.5
0.3
0.1
0.05
0.05
0.1
Note
1. Plastic or metal protrusions of 0.075 mm maximum per side are not included.
REFERENCES
OUTLINE
VERSION
IEC
JEDEC
JEITA
SOT763-1
---
MO-241
---
EUROPEAN
PROJECTION
ISSUE DATE
02-10-17
03-01-27
Fig 16. Package outline SOT763-1 (DHVQFN16)
74AHC_AHCT595
Product data sheet
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8-bit serial-in/serial-out or parallel-out shift register with output latches
14. Abbreviations
Table 10.
Abbreviations
Acronym
Description
CDM
Charged Device Model
CMOS
Complementary Metal-Oxide Semiconductor
ESD
ElectroStatic Discharge
HBM
Human Body Model
MM
Machine Model
TTL
Transistor-Transistor Logic
15. Revision history
Table 11.
Revision history
Document ID
Release date
Data sheet status
Change notice
Supersedes
74AHC_AHCT595 v.5
20120704
Product data sheet
-
74AHC_AHCT595 v.4
Modifications:
•
Added GND in the pin configuration drawing DHVQFN16 (errata)
74AHC_AHCT595 v.4
20090811
Product data sheet
-
74AHC_AHCT595 v.3
74AHC_AHCT595 v.3
20080425
Product data sheet
-
74AHC_AHCT595 v.2
74AHC_AHCT595 v.2
20060323
Product data sheet
-
74AHC_AHCT595 v.1
74AHC_AHCT595 v.1
20000315
Product specification
-
-
74AHC_AHCT595
Product data sheet
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8-bit serial-in/serial-out or parallel-out shift register with output latches
16. Legal information
16.1 Data sheet status
Document status[1][2]
Product status[3]
Definition
Objective [short] data sheet
Development
This document contains data from the objective specification for product development.
Preliminary [short] data sheet
Qualification
This document contains data from the preliminary specification.
Product [short] data sheet
Production
This document contains the product specification.
[1]
Please consult the most recently issued document before initiating or completing a design.
[2]
The term ‘short data sheet’ is explained in section “Definitions”.
[3]
The product status of device(s) described in this document may have changed since this document was published and may differ in case of multiple devices. The latest product status
information is available on the Internet at URL http://www.nexperia.com.
16.2 Definitions
Draft — The document is a draft version only. The content is still under
internal review and subject to formal approval, which may result in
modifications or additions. Nexperia does not give any
representations or warranties as to the accuracy or completeness of
information included herein and shall have no liability for the consequences of
use of such information.
Short data sheet — A short data sheet is an extract from a full data sheet
with the same product type number(s) and title. A short data sheet is intended
for quick reference only and should not be relied upon to contain detailed and
full information. For detailed and full information see the relevant full data
sheet, which is available on request via the local Nexperia sales
office. In case of any inconsistency or conflict with the short data sheet, the
full data sheet shall prevail.
Product specification — The information and data provided in a Product
data sheet shall define the specification of the product as agreed between
Nexperia and its customer, unless Nexperia and
customer have explicitly agreed otherwise in writing. In no event however,
shall an agreement be valid in which the Nexperia product is
deemed to offer functions and qualities beyond those described in the
Product data sheet.
16.3 Disclaimers
Limited warranty and liability — Information in this document is believed to
be accurate and reliable. However, Nexperia does not give any
representations or warranties, expressed or implied, as to the accuracy or
completeness of such information and shall have no liability for the
consequences of use of such information. Nexperia takes no
responsibility for the content in this document if provided by an information
source outside of Nexperia.
In no event shall Nexperia be liable for any indirect, incidental,
punitive, special or consequential damages (including - without limitation - lost
profits, lost savings, business interruption, costs related to the removal or
replacement of any products or rework charges) whether or not such
damages are based on tort (including negligence), warranty, breach of
contract or any other legal theory.
Notwithstanding any damages that customer might incur for any reason
whatsoever, Nexperia’s aggregate and cumulative liability towards
customer for the products described herein shall be limited in accordance
with the Terms and conditions of commercial sale of Nexperia.
Right to make changes — Nexperia reserves the right to make
changes to information published in this document, including without
limitation specifications and product descriptions, at any time and without
notice. This document supersedes and replaces all information supplied prior
to the publication hereof.
74AHC_AHCT595
Product data sheet
Suitability for use — Nexperia products are not designed,
authorized or warranted to be suitable for use in life support, life-critical or
safety-critical systems or equipment, nor in applications where failure or
malfunction of a Nexperia product can reasonably be expected
to result in personal injury, death or severe property or environmental
damage. Nexperia and its suppliers accept no liability for
inclusion and/or use of Nexperia products in such equipment or
applications and therefore such inclusion and/or use is at the customer’s own
risk.
Applications — Applications that are described herein for any of these
products are for illustrative purposes only. Nexperia makes no
representation or warranty that such applications will be suitable for the
specified use without further testing or modification.
Customers are responsible for the design and operation of their applications
and products using Nexperia products, and Nexperia
accepts no liability for any assistance with applications or customer product
design. It is customer’s sole responsibility to determine whether the Nexperia
product is suitable and fit for the customer’s applications and
products planned, as well as for the planned application and use of
customer’s third party customer(s). Customers should provide appropriate
design and operating safeguards to minimize the risks associated with their
applications and products.
Nexperia does not accept any liability related to any default,
damage, costs or problem which is based on any weakness or default in the
customer’s applications or products, or the application or use by customer’s
third party customer(s). Customer is responsible for doing all necessary
testing for the customer’s applications and products using Nexperia
products in order to avoid a default of the applications and
the products or of the application or use by customer’s third party
customer(s). Nexperia does not accept any liability in this respect.
Limiting values — Stress above one or more limiting values (as defined in
the Absolute Maximum Ratings System of IEC 60134) will cause permanent
damage to the device. Limiting values are stress ratings only and (proper)
operation of the device at these or any other conditions above those given in
the Recommended operating conditions section (if present) or the
Characteristics sections of this document is not warranted. Constant or
repeated exposure to limiting values will permanently and irreversibly affect
the quality and reliability of the device.
Terms and conditions of commercial sale — Nexperia
products are sold subject to the general terms and conditions of commercial
sale, as published at http://www.nexperia.com/profile/terms, unless otherwise
agreed in a valid written individual agreement. In case an individual
agreement is concluded only the terms and conditions of the respective
agreement shall apply. Nexperia hereby expressly objects to
applying the customer’s general terms and conditions with regard to the
purchase of Nexperia products by customer.
No offer to sell or license — Nothing in this document may be interpreted or
construed as an offer to sell products that is open for acceptance or the grant,
conveyance or implication of any license under any copyrights, patents or
other industrial or intellectual property rights.
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 4 July 2012
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8-bit serial-in/serial-out or parallel-out shift register with output latches
Export control — This document as well as the item(s) described herein
may be subject to export control regulations. Export might require a prior
authorization from competent authorities.
Non-automotive qualified products — Unless this data sheet expressly
states that this specific Nexperia product is automotive qualified,
the product is not suitable for automotive use. It is neither qualified nor tested
in accordance with automotive testing or application requirements. Nexperia
accepts no liability for inclusion and/or use of
non-automotive qualified products in automotive equipment or applications.
In the event that customer uses the product for design-in and use in
automotive applications to automotive specifications and standards, customer
(a) shall use the product without Nexperia’s warranty of the
product for such automotive applications, use and specifications, and (b)
whenever customer uses the product for automotive applications beyond
Nexperia’s specifications such use shall be solely at customer’s
own risk, and (c) customer fully indemnifies Nexperia for any
liability, damages or failed product claims resulting from customer design and
use of the product for automotive applications beyond Nexperia’s
standard warranty and Nexperia’s product specifications.
Translations — A non-English (translated) version of a document is for
reference only. The English version shall prevail in case of any discrepancy
between the translated and English versions.
16.4 Trademarks
Notice: All referenced brands, product names, service names and trademarks
are the property of their respective owners.
17. Contact information
For more information, please visit: http://www.nexperia.com
For sales office addresses, please send an email to: salesaddresses@nexperia.com
74AHC_AHCT595
Product data sheet
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74AHC595; 74AHCT595
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8-bit serial-in/serial-out or parallel-out shift register with output latches
18. Contents
1
2
3
4
5
6
6.1
6.2
7
8
9
10
11
12
13
14
15
16
16.1
16.2
16.3
16.4
17
18
©
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features and benefits . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Functional diagram . . . . . . . . . . . . . . . . . . . . . . 2
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
Functional description . . . . . . . . . . . . . . . . . . . 5
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 6
Recommended operating conditions. . . . . . . . 6
Static characteristics. . . . . . . . . . . . . . . . . . . . . 7
Dynamic characteristics . . . . . . . . . . . . . . . . . . 9
Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 16
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 19
Legal information. . . . . . . . . . . . . . . . . . . . . . . 20
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 20
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Contact information. . . . . . . . . . . . . . . . . . . . . 21
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Nexperia B.V. 2017. All rights reserved
For more information, please visit: http://www.nexperia.com
For sales office addresses, please send an email to: salesaddresses@nexperia.com
Date of release: 04 July 2012
Mouser Electronics
Authorized Distributor
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74AHC595BQ,115 74AHC595D,112 74AHC595D,118 74AHC595PW,112 74AHC595PW,118 74AHCT595D,112
74AHCT595D,118 74AHCT595PW,112 74AHCT595PW,118 74AHCT595BQ,115 74AHC595PW/AUJ