74HC245; 74HCT245
Octal bus transceiver; 3-state
Rev. 5 — 14 July 2020
Product data sheet
1. General description
The 74HC245; 74HCT245 is an 8-bit transceiver with 3-state outputs. The device features an
output enable (OE) and send/receive (DIR) for direction control. A HIGH on OE causes the outputs
to assume a high-impedance OFF-state. Inputs include clamp diodes. This enables the use of
current limiting resistors to interface inputs to voltages in excess of VCC.
2. Features and benefits
•
•
•
•
•
•
•
•
Complies with JEDEC standard JESD7A
Input levels:
• For 74HC245: CMOS level
• For 74HCT245: TTL level
Octal bidirectional bus interface
Non-inverting 3-state outputs
ESD protection:
• HBM JESD22-A114F exceeds 2000 V
• MM JESD22-A115-A exceeds 200 V
Multiple package options
Specified from -40 °C to +85 °C and from -40 °C to +125 °C
3. Ordering information
Table 1. Ordering information
Type number
Package
74HC245D
Temperature range
Name
Description
Version
-40 °C to +125 °C
SO20
plastic small outline package; 20 leads;
body width 7.5 mm
SOT163-1
-40 °C to +125 °C
SSOP20
plastic shrink small outline package; 20 leads;
body width 5.3 mm
SOT339-1
-40 °C to +125 °C
TSSOP20
plastic thin shrink small outline package;
20 leads; body width 4.4 mm
SOT360-1
-40 °C to +125 °C
DHVQFN20 plastic dual in-line compatible thermal
enhanced very thin quad flat package; no leads;
20 terminals; body 2.5 × 4.5 × 0.85 mm
74HCT245D
74HC245DB
74HCT245DB
74HC245PW
74HCT245PW
74HC245BQ
74HCT245BQ
SOT764-1
74HC245; 74HCT245
Nexperia
Octal bus transceiver; 3-state
4. Functional diagram
1
DIR
OE
2
A0
B0
3
19
3EN1
3EN2
1
14
A5
13
A6
B6
9
G3
2
B5
8
15
A4
B4
7
1
16
A3
B3
6
17
A2
B2
5
18
A1
B1
4
19
12
A7
B7
11
3
17
4
16
5
15
6
14
7
13
8
12
9
Logic symbol
74HC_HCT245
Product data sheet
11
mna175
mna174
Fig. 1.
18
2
Fig. 2.
IEC logic symbol
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74HC245; 74HCT245
Nexperia
Octal bus transceiver; 3-state
5. Pinning information
5.1. Pinning
1
DIR
terminal 1
index area
1
A0
2
20 VCC
19 OE
A1
3
18 B0
A2
4
17 B1
A3
5
16 B2
A4
6
15 B3
A5
7
14 B4
A6
8
13 B5
A7
9
12 B6
GND 10
11 B7
19 OE
A1
3
18 B0
A2
4
17 B1
A3
5
16 B2
A4
6
15 B3
A5
7
A6
8
A7
9
14 B4
GND(1)
13 B5
12 B6
001aac432
Transparent top view
(1) This is not a ground pin. There is no electrical or
mechanical requirement to solder the pad. In case
soldered, the solder land should remain floating or
connected to GND.
001aac431
Fig. 3.
2
B7 11
DIR
A0
GND 10
74HC245
74HCT245
20 VCC
74HC245
74HCT245
Pin configuration SOT163-1 (SO20),
SOT339-1 (SSOP20) and SOT360-1 (TSSOP20)
Fig. 4.
Pin configuration SOT764-1 (DHVQFN20)
5.2. Pin description
Table 2. Pin description
Symbol
Pin
Description
DIR
1
direction control
A0, A1, A2, A3, A4, A5, A6, A7
2, 3, 4, 5, 6, 7, 8, 9
data input/output
GND
10
ground (0 V)
B7, B6, B5, B4, B3, B2, B1, B0
11, 12, 13, 14, 15, 16, 17, 18
data input/output
OE
19
output enable input (active LOW)
VCC
20
supply voltage
6. Functional description
Table 3. Function table
H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.
Input
Input/output
OE
DIR
An
Bn
L
L
A=B
input
L
H
input
B=A
H
X
Z
Z
74HC_HCT245
Product data sheet
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3 / 16
74HC245; 74HCT245
Nexperia
Octal bus transceiver; 3-state
7. 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
IIK
input clamping current
IOK
IO
ICC
Min
Max
-0.5
+7
V
VI < -0.5 V or VI > VCC + 0.5 V
-
±20
mA
output clamping current
VO < -0.5 V or VO > VCC + 0.5 V
-
±20
mA
output current
-0.5 V < VO < VCC + 0.5 V
-
±35
mA
supply current
-
70
mA
IGND
ground current
-70
-
mA
Tstg
storage temperature
-65
+150
°C
Ptot
total power dissipation
-
500
mW
[1]
Conditions
[1]
Unit
For SOT163-1 (SO20) package: Ptot derates linearly with 12.3 mW/K above 109 °C.
For SOT339-1 (SSOP20) package: Ptot derates linearly with 10.0 mW/K above 100 °C.
For SOT360-1 (TSSOP20) package: Ptot derates linearly with 10.0 mW/K above 100 °C.
For SOT764-1 (DHVQFN20) package: Ptot derates linearly with 12.9 mW/K above 111 °C.
8. Recommended operating conditions
Table 5. Recommended operating conditions
Symbol Parameter
Conditions
74HC245
Min
Typ
74HCT245
Max
Min
Typ
Unit
Max
VCC
supply voltage
2.0
5.0
6.0
4.5
5.0
5.5
V
VI
input voltage
0
-
VCC
0
-
VCC
V
VO
output voltage
0
-
VCC
0
-
VCC
V
Δt/ΔV
input transition rise and
fall rate
VCC = 2.0 V
-
-
625
-
-
-
ns/V
VCC = 4.5 V
-
1.67
139
-
1.67
139
ns/V
ns/V
VCC = 6.0 V
Tamb
ambient temperature
74HC_HCT245
Product data sheet
-
-
83
-
-
-
-40
+25
+125
-40
+25
+125
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Rev. 5 — 14 July 2020
©
°C
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4 / 16
74HC245; 74HCT245
Nexperia
Octal bus transceiver; 3-state
9. Static characteristics
Table 6. Static characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
25 °C
-40 °C to +85 °C -40 °C to +125 °C Unit
Min
Typ Max
Min
Max
Min
Max
VCC = 2.0 V
1.5
1.2
VCC = 4.5 V
3.15
2.4
-
1.5
-
3.15
-
1.5
-
V
-
3.15
-
V
VCC = 6.0 V
4.2
3.2
-
4.2
-
4.2
-
V
VCC = 2.0 V
-
0.8
0.5
-
0.5
-
0.5
V
VCC = 4.5 V
-
2.1
1.35
-
1.35
-
1.35
V
74HC245
VIH
VIL
VOH
VOL
HIGH-level
input voltage
LOW-level
input voltage
VCC = 6.0 V
-
2.8
1.8
-
1.8
-
1.8
V
VI = VIH or VIL
HIGH-level
output voltage
IO = -20 μA; VCC = 2.0 V
1.9
2.0
-
1.9
-
1.9
-
V
IO = -20 μA; VCC = 4.5 V
4.4
4.5
-
4.4
-
4.4
-
V
IO = -20 μA; VCC = 6.0 V
5.9
6.0
-
5.9
-
5.9
-
V
IO = -6.0 mA; VCC = 4.5 V
3.98 4.32
-
3.84
-
3.7
-
V
IO = -7.8 mA; VCC = 6.0 V
5.48 5.81
-
5.34
-
5.2
-
V
VI = VIH or VIL
LOW-level
output voltage
IO = 20 μA; VCC = 2.0 V
-
0
0.1
-
0.1
-
0.1
V
IO = 20 μA; VCC = 4.5 V
-
0
0.1
-
0.1
-
0.1
V
IO = 20 μA; VCC = 6.0 V
-
0
0.1
-
0.1
-
0.1
V
IO = 6.0 mA; VCC = 4.5 V
-
0.15 0.26
-
0.33
-
0.4
V
IO = 7.8 mA; VCC = 6.0 V
-
0.16 0.26
-
0.33
-
0.4
V
II
input leakage
current
VI = VCC or GND; VCC = 6.0 V
-
-
±0.1
-
±1.0
-
±1.0
μA
IOZ
OFF-state
output current
VI = VIH or VIL; VCC = 6.0 V;
VO = VCC or GND
-
-
±0.5
-
±5.0
-
±10
μA
ICC
supply current VI = VCC or GND; IO = 0 A;
VCC = 6.0 V
-
-
8.0
-
80
-
160
μA
CI
input
capacitance
-
3.5
-
-
-
-
-
pF
CI/O
input/output
capacitance
-
10
-
-
-
-
-
pF
74HC_HCT245
Product data sheet
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74HC245; 74HCT245
Nexperia
Octal bus transceiver; 3-state
Symbol Parameter
Conditions
25 °C
-40 °C to +85 °C -40 °C to +125 °C Unit
Min
Typ Max
Min
Max
Min
Max
74HCT245
VIH
HIGH-level
input voltage
VCC = 4.5 V to 5.5 V
2.0
1.6
-
2.0
-
2.0
-
V
VIL
LOW-level
input voltage
VCC = 4.5 V to 5.5 V
-
1.2
0.8
-
0.8
-
0.8
V
VOH
VI = VIH or VIL; VCC = 4.5 V
HIGH-level
output voltage
IO = -20 μA
4.4
4.5
-
4.4
-
4.4
-
V
3.98 4.32
-
3.84
-
3.7
-
V
0.1
-
0.1
-
0.1
V
0.15 0.26
IO = -6 mA
VOL
VI = VIH or VIL; VCC = 4.5 V
LOW-level
output voltage
IO = 20 μA
IO = 6.0 mA
-
0
-
0.33
-
0.4
V
II
input leakage
current
VI = VCC or GND; VCC = 5.5 V
-
-
±0.1
-
±1.0
-
±1.0
μA
IOZ
OFF-state
output current
VI = VIH or VIL; VCC = 5.5 V;
VO = VCC or GND
-
-
±0.5
-
±5.0
-
±10
μA
ICC
supply current VI = VCC or GND;
VCC = 5.5 V; IO = 0 A
-
-
8.0
-
80
-
160
μA
ΔICC
VI = VCC - 2.1 V; other
additional
supply current inputs at VCC or GND;
VCC = 4.5 V to 5.5 V; IO = 0 A
An or Bn inputs
-
40
144
-
180
-
196
μA
OE input
-
150
540
-
675
-
735
μA
DIR input
-
90
324
-
405
-
441
μA
CI
input
capacitance
-
3.5
-
-
-
-
-
pF
CI/O
input/output
capacitance
-
10
-
-
-
-
-
pF
74HC_HCT245
Product data sheet
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74HC245; 74HCT245
Nexperia
Octal bus transceiver; 3-state
10. Dynamic characteristics
Table 7. Dynamic characteristics
GND = 0 V; for test circuit see Fig. 7.
Symbol Parameter
Conditions
25 °C
-40 °C to +125 °C Unit
Min
Typ
Max
Max
Max
(85 °C) (125 °C)
VCC = 2.0 V
-
25
90
115
135
ns
VCC = 4.5 V
-
9
18
23
27
ns
VCC = 5.0 V; CL = 15 pF
-
7
-
-
-
ns
-
7
15
20
23
ns
VCC = 2.0 V
-
30
150
190
225
ns
VCC = 4.5 V
-
11
30
38
45
ns
VCC = 6.0 V
-
9
26
33
38
ns
VCC = 2.0 V
-
41
150
190
225
ns
VCC = 4.5 V
-
15
30
38
45
ns
VCC = 6.0 V
-
12
26
33
38
ns
VCC = 2.0 V
-
14
60
75
90
ns
VCC = 4.5 V
-
5
12
15
18
ns
VCC = 6.0 V
-
4
10
13
15
ns
-
30
-
-
-
pF
VCC = 4.5 V
-
12
22
28
33
ns
VCC = 5.0 V; CL = 15 pF
-
10
-
-
-
ns
74HC245
propagation delay An to Bn or Bn to An; see Fig. 5
tpd
[1]
VCC = 6.0 V
ten
enable time
tdis
disable time
tt
transition time
CPD
power dissipation
capacitance
OE to An or Bn; see Fig. 6
OE to An or Bn; see Fig. 6
see Fig. 5
[2]
[3]
[4]
per transceiver; VI = GND to VCC
[5]
74HCT245
propagation delay An to Bn or Bn to An; see Fig. 5
tpd
[1]
ten
enable time
OE to An or Bn; see Fig. 6
[2]
-
16
30
38
45
ns
tdis
disable time
OE to An or Bn; see Fig. 6
[3]
-
16
30
38
45
ns
tt
transition time
VCC = 4.5 V; see Fig. 5
[4]
-
5
12
15
18
ns
CPD
power dissipation
capacitance
per transceiver;
VI = GND to VCC - 1.5 V
[5]
-
30
-
-
-
pF
[1]
[2]
[3]
[4]
[5]
tpd is the same as tPHL and tPLH.
ten is the same as tPZH and tPZL.
tdis is the same as tPHZ and tPLZ.
tt is the same as tTHL and tTLH.
CPD is used to determine the dynamic power dissipation (PD in μW):
2
2
PD = CPD x VCC x fi x N + ∑(CL x VCC x fo) where:
fi = input frequency in MHz;
fo = output frequency in MHz;
CL = output load capacitance in pF;
VCC = supply voltage in V;
N = number of inputs switching;
2
∑(CL x VCC x fo) = sum of outputs.
74HC_HCT245
Product data sheet
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74HC245; 74HCT245
Nexperia
Octal bus transceiver; 3-state
10.1. Waveforms and test circuit
VI
VM
An, Bn input
VM
GND
t PHL
t PLH
VOH
90 %
VM
VM
Bn, An output
10 %
VOL
t THL
t TLH
001aac433
Measurement points are given in Table 8.
VOL and VOH are typical output voltage levels that occur with the output load.
Fig. 5.
Input (An, Bn) to output (Bn, An) propagation delays and output transition times
tr
VI
tf
90 %
OE input
VM
GND
10 %
tPLZ
output
LOW-to-OFF
OFF-to-LOW
VM
10 %
VOL
output
tPZL
VCC
tPHZ
VOH
tPZH
90 %
HIGH-to-OFF
OFF-to-HIGH
VM
GND
outputs
enabled
outputs
enabled
outputs
disabled
001aac479
Measurement points are given in Table 8.
VOL and VOH are typical output voltage levels that occur with the output load.
Fig. 6.
3-state output enable and disable times
Table 8. Measurement points
Type
Input
Output
VM
VM
74HC245
0.5VCC
0.5VCC
74HCT245
1.3 V
1.3 V
74HC_HCT245
Product data sheet
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74HC245; 74HCT245
Nexperia
Octal bus transceiver; 3-state
VI
negative
pulse
tW
90 %
VM
0V
VI
positive
pulse
0V
VM
10 %
tf
tr
tr
tf
90 %
VM
VM
10 %
tW
VCC
G
VI
DUT
VCC
VO
RT
RL
S1
open
CL
001aad983
Test data is given in Table 9.
Definitions test circuit:
RT = Termination resistance should be equal to output impedance Zo of the pulse generator.
CL = Load capacitance including jig and probe capacitance.
RL = Load resistance.
S1 = Test selection switch.
Fig. 7.
Test circuit for measuring switching times
Table 9. Test data
Type
Input
Load
VI
tr, tf
CL
74HC245
VCC
6 ns
74HCT245
3V
6 ns
74HC_HCT245
Product data sheet
S1 position
RL
tPHL, tPLH
tPZH, tPHZ
tPZL, tPLZ
15 pF, 50 pF 1 kΩ
open
GND
VCC
15 pF, 50 pF 1 kΩ
open
GND
VCC
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74HC245; 74HCT245
Nexperia
Octal bus transceiver; 3-state
11. Package outline
SO20: plastic small outline package; 20 leads; body width 7.5 mm
SOT163-1
D
E
A
X
c
y
HE
v M A
Z
20
11
Q
A2
A
(A 3 )
A1
pin 1 index
θ
Lp
L
1
10
e
detail X
w M
bp
0
5
10 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
mm
2.65
0.3
0.1
2.45
2.25
0.25
0.49
0.36
0.32
0.23
13.0
12.6
7.6
7.4
1.27
10.65
10.00
1.4
1.1
0.4
1.1
1.0
0.25
0.25
0.1
0.9
0.4
inches
0.1
0.012 0.096
0.004 0.089
0.01
0.019 0.013
0.014 0.009
0.51
0.49
0.30
0.29
0.05
0.419
0.043
0.055
0.394
0.016
0.043
0.039
0.01
0.01
0.004
0.035
0.016
Z
(1)
θ
o
8
o
0
Note
1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included.
Fig. 8.
REFERENCES
OUTLINE
VERSION
IEC
JEDEC
SOT163-1
075E04
MS-013
JEITA
EUROPEAN
PROJECTION
ISSUE DATE
99-12-27
03-02-19
Package outline SOT163-1 (SO20)
74HC_HCT245
Product data sheet
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Rev. 5 — 14 July 2020
©
Nexperia B.V. 2020. All rights reserved
10 / 16
74HC245; 74HCT245
Nexperia
Octal bus transceiver; 3-state
SSOP20: plastic shrink small outline package; 20 leads; body width 5.3 mm
D
SOT339-1
E
A
X
c
HE
y
v M A
Z
20
11
Q
A2
pin 1 index
A
(A 3)
A1
θ
Lp
L
1
10
bp
e
detail X
w M
0
2.5
5 mm
scale
DIMENSIONS (mm are the original dimensions)
UNIT
A
max.
A1
A2
A3
bp
c
D (1)
E (1)
e
HE
L
Lp
Q
v
w
y
Z (1)
θ
mm
2
0.21
0.05
1.80
1.65
0.25
0.38
0.25
0.20
0.09
7.4
7.0
5.4
5.2
0.65
7.9
7.6
1.25
1.03
0.63
0.9
0.7
0.2
0.13
0.1
0.9
0.5
8o
0o
Note
1. Plastic or metal protrusions of 0.2 mm maximum per side are not included.
OUTLINE
VERSION
SOT339-1
Fig. 9.
REFERENCES
IEC
JEDEC
JEITA
EUROPEAN
PROJECTION
ISSUE DATE
99-12-27
03-02-19
MO-150
Package outline SOT339-1 (SSOP20)
74HC_HCT245
Product data sheet
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Rev. 5 — 14 July 2020
©
Nexperia B.V. 2020. All rights reserved
11 / 16
74HC245; 74HCT245
Nexperia
Octal bus transceiver; 3-state
TSSOP20: plastic thin shrink small outline package; 20 leads; body width 4.4 mm
D
SOT360-1
E
A
X
c
HE
y
v M A
Z
11
20
Q
A2
pin 1 index
(A 3 )
A1
A
θ
Lp
1
L
10
detail X
w M
bp
e
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
6.6
6.4
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
0.5
0.2
8o
0o
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
SOT360-1
REFERENCES
IEC
JEDEC
JEITA
EUROPEAN
PROJECTION
ISSUE DATE
99-12-27
03-02-19
MO-153
Fig. 10. Package outline SOT360-1 (TSSOP20)
74HC_HCT245
Product data sheet
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Rev. 5 — 14 July 2020
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Nexperia B.V. 2020. All rights reserved
12 / 16
74HC245; 74HCT245
Nexperia
Octal bus transceiver; 3-state
DHVQFN20: plastic dual in-line compatible thermal enhanced very thin quad flat package; no leads;
20 terminals; body 2.5 x 4.5 x 0.85 mm
B
D
SOT764-1
A
A
A1
E
c
detail X
terminal 1
index area
terminal 1
index area
e1
C
e
b
2
9
v
w
C A B
C
y1 C
y
L
1
10
Eh
e
20
11
19
12
X
Dh
0
2.5
5 mm
scale
Dimensions (mm are the original dimensions)
Unit
A(1)
A1
b
max 1.00 0.05 0.30
nom 0.90 0.02 0.25
min 0.80 0.00 0.18
mm
c
D(1)
Dh
E(1)
Eh
e
e1
L
v
0.2
4.6
4.5
4.4
3.15
3.00
2.85
2.6
2.5
2.4
1.15
1.00
0.85
0.5
3.5
0.5
0.4
0.3
0.1
w
y
0.05 0.05
y1
0.1
Note
1. Plastic or metal protrusions of 0.075 mm maximum per side are not included.
References
Outline
version
IEC
JEDEC
JEITA
SOT764-1
---
MO-241
---
sot764-1_po
European
projection
Issue date
03-01-27
14-12-12
Fig. 11. Package outline SOT764-1 (DHVQFN20)
74HC_HCT245
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 14 July 2020
©
Nexperia B.V. 2020. All rights reserved
13 / 16
74HC245; 74HCT245
Nexperia
Octal bus transceiver; 3-state
12. Abbreviations
Table 10. Abbreviations
Acronym
Description
CMOS
Complementary Metal Oxide Semiconductor
DUT
Device Under Test
ESD
ElectroStatic Discharge
HBM
Human Body Model
MM
Machine Model
TTL
Transistor-Transistor Logic
13. Revision history
Table 11. Revision history
Document ID
Release date
Data sheet status
Change notice Supersedes
74HC_HCT245 v.5
20200714
Product data sheet
-
Modifications:
•
•
•
The format of this data sheet has been redesigned to comply with the identity
guidelines of Nexperia.
Legal texts have been adapted to the new company name where appropriate.
Table 4: Derating values for Ptot total power dissipation have been updated.
74HC_HCT245 v.4
20160226
Modifications:
•
74HC_HCT245 v.3
20050131
Modifications:
•
•
74HC_HCT245_CNV v.2
74HC_HCT245
Product data sheet
74HC_HCT245 v.4
Product data sheet
-
74HC_HCT245 v.3
Type numbers 74HC245N and 74HCT245N (SOT146-1) removed.
Product data sheet
-
74HC_HCT245_CNV v.2
The format of this data sheet is redesigned to comply with the new presentation and
information standard of Philips Semiconductors
Section 3 "Ordering information", Section 5 "Pinning information" and Section 11
"Package outline" are modified to include the DHVQFN20 package.
19930930
Product specification
-
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 14 July 2020
-
©
Nexperia B.V. 2020. All rights reserved
14 / 16
74HC245; 74HCT245
Nexperia
Octal bus transceiver; 3-state
14. Legal information
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.
Data sheet status
Quick reference data — The Quick reference data is an extract of the
product data given in the Limiting values and Characteristics sections of this
document, and as such is not complete, exhaustive or legally binding.
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]
[2]
[3]
Please consult the most recently issued document before initiating or
completing a design.
The term 'short data sheet' is explained in section "Definitions".
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 https://www.nexperia.com.
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.
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.
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 an Nexperia product can reasonably be expected to result in personal
74HC_HCT245
Product data sheet
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.
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.
Trademarks
Notice: All referenced brands, product names, service names and
trademarks are the property of their respective owners.
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 14 July 2020
©
Nexperia B.V. 2020. All rights reserved
15 / 16
74HC245; 74HCT245
Nexperia
Octal bus transceiver; 3-state
Contents
1. General description...................................................... 1
2. Features and benefits.................................................. 1
3. Ordering information....................................................1
4. Functional diagram.......................................................2
5. Pinning information......................................................3
5.1. Pinning.........................................................................3
5.2. Pin description............................................................. 3
6. Functional description................................................. 3
7. Limiting values............................................................. 4
8. Recommended operating conditions..........................4
9. Static characteristics....................................................5
10. Dynamic characteristics............................................ 7
10.1. Waveforms and test circuit........................................ 8
11. Package outline........................................................ 10
12. Abbreviations............................................................ 14
13. Revision history........................................................14
14. Legal information......................................................15
©
Nexperia B.V. 2020. 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: 14 July 2020
74HC_HCT245
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 14 July 2020
©
Nexperia B.V. 2020. All rights reserved
16 / 16