
SN54ABT574, SN74ABT574A
OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCBS191E – JANUARY 1991 – REVISED NOVEMBER 2002
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Typical V
OLP
(Output Ground Bounce)
<1 V at V
CC
= 5 V, T
A
= 25
°
C
High-Drive Outputs (–32-mA I
OH
, 64-mA I
OL
)
I
off
Supports Partial-Power-Down Mode
Operation
Latch-Up Performance Exceeds 500 mA Per
JEDEC Standard JESD 17
ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
OE
1D
2D
3D
4D
5D
6D
7D
8D
GND
V
CC
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
CLK
SN54ABT574 . . . J OR W PACKAGE
SN74ABT574A . . . DB, DW, N, NS,
OR PW PACKAGE
(TOP VIEW)
3
2
1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
2Q
3Q
4Q
5Q
6Q
3D
4D
5D
6D
7D
SN54ABT574 . . . FK PACKAGE
(TOP VIEW)
2
1
O
8
7
1
8
G
C
V
C
SN74ABT574A . . . RGY PACKAGE
(TOP VIEW)
1
20
10
11
2
3
4
5
6
7
8
9
19
18
17
16
15
14
13
12
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
1D
2D
3D
4D
5D
6D
7D
8D
C
V
G
O
description/ordering information
These 8-bit flip-flops feature 3-state outputs designed specifically for driving highly capacitive or relatively
low-impedance loads. They are particularly suitable for implementing buffer registers, I/O ports, bidirectional
bus drivers, and working registers.
The eight flip-flops of the SN54ABT574 and SN74ABT574A are edge-triggered D-type flip-flops. On the positive
transition of the clock (CLK) input, the Q outputs are set to the logic levels set up at the data (D) inputs.
ORDERING INFORMATION
TA
PACKAGE
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP – N
Tube
SN74ABT574AN
SN74ABT574AN
QFN – RGY
Tape and reel
SN74ABT574ARGYR
AB574A
SOIC – DW
Tube
SN74ABT574ADW
ABT574A
°
°
–40
C to 85
C
Tape and reel
SN74ABT574ADWR
SOP – NS
Tape and reel
SN74ABT574ANSR
ABT574A
SSOP – DB
Tape and reel
SN74ABT574ADBR
AB574A
TSSOP – PW
Tape and reel
SN74ABT574APWR
AB574A
VFBGA – GQN
Tape and reel
SN74ABT574AGQNR
AB574A
CDIP – J
Tube
SNJ54ABT574J
SNJ54ABT574J
–55
°
C to 125
°
C
CFP – W
LCCC – FK
Tube
Tube
SNJ54ABT574W
SNJ54ABT574FK
SNJ54ABT574W
SNJ54ABT574FK
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines
are available at www.ti.com/sc/package.
Copyright
2002, Texas Instruments Incorporated
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.
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.
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.