SN54AHCT573, SN74AHCT573
OCTAL TRANSPARENT D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SCLS243N – OCTOBER 1995 – REVISED JULY 2003
D
SN54AHCT573 . . . J OR W PACKAGE
SN74AHCT573 . . . DB, DGV, DW, N, NS, OR PW PACKAGE
(TOP VIEW)
Inputs Are TTL-Voltage Compatible
Latch-Up Performance Exceeds 250 mA Per
JESD 17
ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
– 1000-V Charged-Device Model (C101)
OE
1D
2D
3D
4D
5D
6D
7D
8D
GND
description/ordering information
The ’AHCT573 devices are octal transparent
D-type latches. When the latch-enable (LE) input
is high, the Q outputs follow the data (D) inputs.
When LE is low, the Q outputs are latched at the
logic levels of the D inputs.
1
20
2
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
10
11
VCC
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
LE
SN54AHCT573 . . . FK PACKAGE
(TOP VIEW)
2D
1D
OE
VCC
A buffered output-enable (OE) input can be used
to place the eight outputs in either a normal logic
state (high or low) or the high-impedance state. In
the high-impedance state, the outputs neither
load nor drive the bus lines significantly. The
high-impedance state and increased drive
provide the capability to drive bus lines without
interface or pullup components.
3D
4D
5D
6D
7D
4
3 2 1 20 19
18
5
17
6
16
7
15
8
14
9 10 11 12 13
2Q
3Q
4Q
5Q
6Q
8D
GND
LE
8Q
7Q
To ensure the high-impedance state during power
up or power down, OE should be tied to VCC
through a pullup resistor; the minimum value of
the resistor is determined by the current-sinking
capability of the driver.
1Q
D
D
OE does not affect the internal operations of the latches. Old data can be retained or new data can be entered
while the outputs are in the high-impedance state.
ORDERING INFORMATION
PDIP – N
SN74AHCT573N
Tube
SN74AHCT573DW
Tape and reel
SN74AHCT573DWR
SOP – NS
Tape and reel
SN74AHCT573NSR
AHCT573
SSOP – DB
Tape and reel
SN74AHCT573DBR
HB573
Tube
SN74AHCT573PW
Tape and reel
SN74AHCT573PWR
TVSOP – DGV
Tape and reel
SN74AHCT573DGVR
HB573
CDIP – J
Tube
SNJ54AHCT573J
SNJ54AHCT573J
CFP – W
Tube
SNJ54AHCT573W
SNJ54AHCT573W
LCCC – FK
Tube
SNJ54AHCT573FK
SNJ54AHCT573FK
TSSOP – PW
–55°C to 125°C
TOP-SIDE
MARKING
Tube
SOIC – DW
–40°C
40°C to 85°C
ORDERABLE
PART NUMBER
PACKAGE†
TA
SN74AHCT573N
AHCT573
HB573
† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines
are available at www.ti.com/sc/package.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright 2003, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
On products compliant to MIL-PRF-38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
POST OFFICE BOX 655303
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1
SN54AHCT573, SN74AHCT573
OCTAL TRANSPARENT D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SCLS243N – OCTOBER 1995 – REVISED JULY 2003
FUNCTION TABLE
(each latch)
INPUTS
OE
LE
D
OUTPUT
Q
L
H
H
H
L
H
L
L
L
L
X
Q0
H
X
X
Z
logic diagram (positive logic)
OE
LE
1
11
C1
1D
2
19
1D
1Q
To Seven Other Channels
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)†
Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 7 V
Input voltage range, VI (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 7 V
Output voltage range, VO (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to VCC + 0.5 V
Input clamp current, IIK (VI < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20 mA
Output clamp current, IOK (VO < 0 or VO > VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±20 mA
Continuous output current, IO (VO = 0 to VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±25 mA
Continuous current through VCC or GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±75 mA
Package thermal impedance, θJA (see Note 2): DB package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70°C/W
DGV package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92°C/W
DW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58°C/W
N package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69°C/W
NS package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60°C/W
PW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83°C/W
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to 150°C
† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
2. The package thermal impedance is calculated in accordance with JESD 51-7.
2
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SN54AHCT573, SN74AHCT573
OCTAL TRANSPARENT D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SCLS243N – OCTOBER 1995 – REVISED JULY 2003
recommended operating conditions (see Note 3)
SN54AHCT573
SN74AHCT573
MIN
MAX
MIN
MAX
4.5
5.5
4.5
5.5
UNIT
VCC
VIH
Supply voltage
VIL
VI
Low-level input voltage
0.8
V
Input voltage
0
5.5
0
5.5
V
VO
IOH
Output voltage
0
0
VCC
–8
V
High-level output current
VCC
–8
mA
IOL
∆t/∆v
Low-level output current
8
8
mA
20
20
ns/V
High-level input voltage
2
2
0.8
Input transition rise or fall rate
V
V
TA
Operating free-air temperature
–55
125
–40
85
°C
NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
VOH
IOH = –50 mA
IOH = –8 mA
45V
4.5
VOL
IOL = 50 mA
IOL = 8 mA
45V
4.5
II
IOZ
VI = 5.5 V or GND
VO = VCC or GND
ICC
VI = 5.5 V or GND,
IO = 0
One input at 3.4 V,
Other inputs at VCC or GND
∆ICC†
Ci
VI = VCC or GND
VO = VCC or GND
MIN
4.4
TA = 25°C
TYP
MAX
4.5
3.94
SN54AHCT573
MIN
MAX
SN74AHCT573
MIN
4.4
4.4
3.8
3.8
MAX
UNIT
V
0.1
0.1
0.1
0.36
0.44
0.44
V
0 V to 5.5 V
±0.1
±1*
±1
mA
5.5 V
±0.25
±2.5
±2.5
mA
5.5 V
4
40
40
mA
5.5 V
1.35
1.5
1.5
mA
10
pF
5V
2.5
10
Co
5V
3
* On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V.
† This is the increase in supply current for each input at one of the specified TTL voltage levels, rather than 0 V or VCC.
pF
timing requirements over recommended operating free-air temperature range, Vcc = 5 V ± 0.5 V
(unless otherwise noted) (see Figure 1)
TA = 25°C
MIN
MAX
tw
Pulse duration, LE high
tsu
th
SN54AHCT573
MIN
MAX
SN74AHCT573
MIN
MAX
UNIT
5
5
5
ns
Setup time, data before LE↓
3.5
3.5
3.5
ns
Hold time, data after LE↓
1.5
1.5
1.5
ns
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3
SN54AHCT573, SN74AHCT573
OCTAL TRANSPARENT D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SCLS243N – OCTOBER 1995 – REVISED JULY 2003
switching characteristics over recommended operating free-air temperature range,
VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
tPLH
tPHL
D
Q
CL = 15 pF
tPLH
tPHL
LE
Q
CL = 15 pF
tPZH
tPZL
OE
Q
CL = 15 pF
tPHZ
tPLZ
OE
Q
CL = 15 pF
tPLH
tPHL
D
Q
CL = 50 pF
tPLH
tPHL
LE
Q
CL = 50 pF
tPZH
tPZL
OE
Q
CL = 50 pF
tPHZ
tPLZ
OE
Q
CL = 50 pF
tsk(o)
MIN
TA = 25°C
TYP
MAX
SN54AHCT573
SN74AHCT573
MIN
MAX
MIN
MAX
4.2*
6*
1*
6.5*
1
6.5
5.1*
7*
1*
9*
1
9
4.7*
6.5*
1*
7.5*
1
7.5
5.6*
7.5*
1*
9*
1
9
4.1*
6.5*
1*
7*
1
7
5.5*
7.5*
1*
10*
1
10
5.5*
8*
1*
11*
1
11
5.4*
8*
1*
9.5*
1
9.5
5.2
7
1
7.5
1
7.5
6.1
8
1
10
1
10
5.7
7.5
1
8.5
1
8.5
6.6
8.5
1
10
1
10
5.1
7.5
1
8
1
8
6.5
8.5
1
11
1
11
6.7
9
1
12
1
12
6.4
9
1
10.5
1
10.5
CL = 50 pF
1.5**
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
1.5
ns
TYP
UNIT
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
** On products compliant to MIL-PRF-38535, this parameter does not apply.
operating characteristics, VCC = 5 V, TA = 25°C
PARAMETER
Cpd
4
TEST CONDITIONS
Power dissipation capacitance
No load,
POST OFFICE BOX 655303
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f = 1 MHz
16
pF
SN54AHCT573, SN74AHCT573
OCTAL TRANSPARENT D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SCLS243N – OCTOBER 1995 – REVISED JULY 2003
PARAMETER MEASUREMENT INFORMATION
From Output
Under Test
RL = 1 kΩ
From Output
Under Test
Test
Point
S1
VCC
Open
TEST
GND
CL
(see Note A)
CL
(see Note A)
S1
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
Open Drain
Open
VCC
GND
VCC
LOAD CIRCUIT FOR
3-STATE AND OPEN-DRAIN OUTPUTS
LOAD CIRCUIT FOR
TOTEM-POLE OUTPUTS
3V
1.5 V
Timing Input
0V
tw
3V
1.5 V
Input
1.5 V
th
tsu
3V
1.5 V
Data Input
1.5 V
0V
0V
VOLTAGE WAVEFORMS
PULSE DURATION
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
3V
1.5 V
Input
1.5 V
0V
tPLH
In-Phase
Output
tPHL
50% VCC
tPHL
Out-of-Phase
Output
VOH
50% VCC
VOL
Output
Waveform 1
S1 at VCC
(see Note B)
VOH
50% VCC
VOL
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
INVERTING AND NONINVERTING OUTPUTS
1.5 V
1.5 V
0V
tPZL
tPLZ
≈VCC
50% VCC
tPZH
tPLH
50% VCC
3V
Output
Control
Output
Waveform 2
S1 at GND
(see Note B)
VOL + 0.3 V
VOL
tPHZ
50% VCC
VOH – 0.3 V
VOH
≈0 V
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
LOW- AND HIGH-LEVEL ENABLING
NOTES: A. CL includes probe and jig capacitance.
B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.
C. All input pulses are supplied by generators having the following characteristics: PRR ≤ 1 MHz, ZO = 50 Ω, tr ≤ 3 ns, tf ≤ 3 ns.
D. The outputs are measured one at a time with one input transition per measurement.
E. All parameters and waveforms are not applicable to all devices.
Figure 1. Load Circuit and Voltage Waveforms
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5
MCFP006B − JANUARY 1995 − REVISED JULY 2003
W (R-GDFP-F20)
CERAMIC DUAL FLATPACK
Base and Seating Plane
0.300 (7,62)
0.245 (6,22)
0.045 (1,14)
0.026 (0,66)
0.009 (0,23)
0.004 (0,10)
0.100 (2,54)
0.045 (1,14)
0.320 (8,13) MAX
1
0.022 (0,56)
0.015 (0,38)
20
0.050 (1,27)
0.540 (13,72)
MAX
0.005 (0,13) MIN
4 Places
10
11
0.370 (9,40)
0.250 (6,35)
0.370 (9,40)
0.250 (6,35)
4040180-4 /D 07/03
NOTES: A.
B.
C.
D.
E.
All linear dimensions are in inches (millimeters).
This drawing is subject to change without notice.
This package can be hermetically sealed with a ceramic lid using glass frit.
Index point is provided on cap for terminal identification only.
Falls within Mil-Std 1835 GDFP2-F20
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MECHANICAL DATA
MLCC006B – OCTOBER 1996
FK (S-CQCC-N**)
LEADLESS CERAMIC CHIP CARRIER
28 TERMINAL SHOWN
18
17
16
15
14
13
NO. OF
TERMINALS
**
12
19
11
20
10
A
B
MIN
MAX
MIN
MAX
20
0.342
(8,69)
0.358
(9,09)
0.307
(7,80)
0.358
(9,09)
28
0.442
(11,23)
0.458
(11,63)
0.406
(10,31)
0.458
(11,63)
21
9
22
8
44
0.640
(16,26)
0.660
(16,76)
0.495
(12,58)
0.560
(14,22)
23
7
52
0.739
(18,78)
0.761
(19,32)
0.495
(12,58)
0.560
(14,22)
24
6
68
0.938
(23,83)
0.962
(24,43)
0.850
(21,6)
0.858
(21,8)
84
1.141
(28,99)
1.165
(29,59)
1.047
(26,6)
1.063
(27,0)
B SQ
A SQ
25
5
26
27
28
1
2
3
4
0.080 (2,03)
0.064 (1,63)
0.020 (0,51)
0.010 (0,25)
0.020 (0,51)
0.010 (0,25)
0.055 (1,40)
0.045 (1,14)
0.045 (1,14)
0.035 (0,89)
0.045 (1,14)
0.035 (0,89)
0.028 (0,71)
0.022 (0,54)
0.050 (1,27)
4040140 / D 10/96
NOTES: A.
B.
C.
D.
E.
All linear dimensions are in inches (millimeters).
This drawing is subject to change without notice.
This package can be hermetically sealed with a metal lid.
The terminals are gold plated.
Falls within JEDEC MS-004
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MECHANICAL DATA
MPDS006C – FEBRUARY 1996 – REVISED AUGUST 2000
DGV (R-PDSO-G**)
PLASTIC SMALL-OUTLINE
24 PINS SHOWN
0,40
0,23
0,13
24
13
0,07 M
0,16 NOM
4,50
4,30
6,60
6,20
Gage Plane
0,25
0°–8°
1
0,75
0,50
12
A
Seating Plane
0,15
0,05
1,20 MAX
PINS **
0,08
14
16
20
24
38
48
56
A MAX
3,70
3,70
5,10
5,10
7,90
9,80
11,40
A MIN
3,50
3,50
4,90
4,90
7,70
9,60
11,20
DIM
4073251/E 08/00
NOTES: A.
B.
C.
D.
All linear dimensions are in millimeters.
This drawing is subject to change without notice.
Body dimensions do not include mold flash or protrusion, not to exceed 0,15 per side.
Falls within JEDEC: 24/48 Pins – MO-153
14/16/20/56 Pins – MO-194
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MECHANICAL DATA
MSSO002E – JANUARY 1995 – REVISED DECEMBER 2001
DB (R-PDSO-G**)
PLASTIC SMALL-OUTLINE
28 PINS SHOWN
0,38
0,22
0,65
28
0,15 M
15
0,25
0,09
8,20
7,40
5,60
5,00
Gage Plane
1
14
0,25
A
0°–ā8°
0,95
0,55
Seating Plane
2,00 MAX
0,10
0,05 MIN
PINS **
14
16
20
24
28
30
38
A MAX
6,50
6,50
7,50
8,50
10,50
10,50
12,90
A MIN
5,90
5,90
6,90
7,90
9,90
9,90
12,30
DIM
4040065 /E 12/01
NOTES: A.
B.
C.
D.
All linear dimensions are in millimeters.
This drawing is subject to change without notice.
Body dimensions do not include mold flash or protrusion not to exceed 0,15.
Falls within JEDEC MO-150
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MECHANICAL DATA
MTSS001C – JANUARY 1995 – REVISED FEBRUARY 1999
PW (R-PDSO-G**)
PLASTIC SMALL-OUTLINE PACKAGE
14 PINS SHOWN
0,30
0,19
0,65
14
0,10 M
8
0,15 NOM
4,50
4,30
6,60
6,20
Gage Plane
0,25
1
7
0°– 8°
A
0,75
0,50
Seating Plane
0,15
0,05
1,20 MAX
PINS **
0,10
8
14
16
20
24
28
A MAX
3,10
5,10
5,10
6,60
7,90
9,80
A MIN
2,90
4,90
4,90
6,40
7,70
9,60
DIM
4040064/F 01/97
NOTES: A.
B.
C.
D.
All linear dimensions are in millimeters.
This drawing is subject to change without notice.
Body dimensions do not include mold flash or protrusion not to exceed 0,15.
Falls within JEDEC MO-153
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