SN54LVC74A, SN74LVC74A
DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH CLEAR AND PRESET
www.ti.com
SCAS287S–JANUARY 1993–REVISED MAY 2005
FEATURES
•
•
Latch-Up Performance Exceeds 250 mA Per
JESD 17
•
•
•
•
Operate From 1.65 V to 3.6 V
Inputs Accept Voltages to 5.5 V
Max tpd of 5.2 ns at 3.3 V
ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
Typical VOLP (Output Ground Bounce)
<0.8 V at VCC = 3.3 V, TA = 25°C
– 1000-V Charged-Device Model (C101)
•
Typical VOHV (Output VOH Undershoot)
>2 V at VCC = 3.3 V, TA = 25°C
SN54LVC74A . . . J OR W PACKAGE
SN74LVC74A . . . D, DB, NS, OR PW PACKAGE
(TOP VIEW)
SN74LVC74A . . . RGY PACKAGE
(TOP VIEW)
SN54LVC74A . . . FK PACKAGE
(TOP VIEW)
1CLR
1D
V
CC
1
2
3
4
5
6
7
14
13
12
11
10
9
1
14
2CLR
2D
3
2
1 20 19
18
1D
1CLK
1PRE
1Q
13 2CLR
2
3
4
5
6
1CLK
NC
2D
4
5
6
7
8
1CLK
1PRE
1Q
12
11
10
9
2D
17
16
15
14
NC
2CLK
2PRE
2Q
2CLK
2PRE
2Q
1PRE
NC
2CLK
NC
1Q
1Q
1Q
2PRE
8
GND
2Q
9 10 11 12 13
7
8
NC - No internal connection
DESCRIPTION/ORDERING INFORMATION
The SN54LVC74A dual positive-edge-triggered D-type flip-flop is designed for 2.7-V to 3.6-V VCC operation, and
the SN74LVC74A dual positive-edge-triggered D-type flip-flop is designed for 1.65-V to 3.6-V VCC operation.
ORDERING INFORMATION
TA
PACKAGE(1)
ORDERABLE PART NUMBER
SN74LVC74ARGYR
SN74LVC74AD
TOP-SIDE MARKING
LC74A
QFN – RGY
SOIC – D
Reel of 1000
Tube of 50
Reel of 2500
Reel of 250
Reel of 2000
Reel of 2000
Tube of 90
Reel of 2000
Reel of 250
Tube of 25
Tube of 150
Tube of 55
SN74LVC74ADR
LVC74A
SN74LVC74ADT
–40°C to 85°C
SOP – NS
SN74LVC74ANSR
SN74LVC74ADBR
SN74LVC74APW
SN74LVC74APWR
SN74LVC74APWT
SNJ54LVC74AJ
LCV74A
LC74A
SSOP – DB
TSSOP – PW
LC74A
CDIP – J
CFP – W
LCCC – FK
SNJ54LVC74AJ
SNJ54LVC74AW
SNJ54LVC74AFK
–55°C to 125°C
SNJ54LVC74AW
SNJ54LVC74AFK
(1) 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.
PRODUCTION DATA information is current as of publication date.
Copyright © 1993–2005, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
On products compliant to MIL-PRF-38535, all parameters are
Instruments standard warranty. Production processing does not
tested unless otherwise noted. On all other products, production
necessarily include testing of all parameters.
processing does not necessarily include testing of all parameters.