SN54LVC74A, SN74LVC74A
DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH CLEAR AND PRESET
www.ti.com
SCAS287S – JANUARY 1993 – REVISED MAY 2005
FEATURES
•
•
•
•
•
Operate From 1.65 V to 3.6 V
Inputs Accept Voltages to 5.5 V
Max t
pd
of 5.2 ns at 3.3 V
Typical V
OLP
(Output Ground Bounce)
<0.8 V at V
CC
= 3.3 V, T
A
= 25°C
Typical V
OHV
(Output V
OH
Undershoot)
>2 V at V
CC
= 3.3 V, T
A
= 25°C
SN54LVC74A . . . J OR W PACKAGE
SN74LVC74A . . . D, DB, NS, OR PW PACKAGE
(TOP VIEW)
•
•
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)
SN74LVC74A . . . RGY PACKAGE
(TOP VIEW)
SN54LVC74A . . . FK PACKAGE
(TOP VIEW)
1CLR
1CLR
NC
V
CC
1CLR
1D
1CLK
1PRE
1Q
1Q
GND
1
2
3
4
5
6
7
14
13
12
11
10
9
8
V
CC
2CLR
2D
2CLK
2PRE
2Q
2Q
1
14
13
2CLR
12
2D
11
2CLK
10
2PRE
9
2Q
1D
1CLK
1PRE
1Q
1Q
2
3
4
5
6
7
8
1CLK
NC
1PRE
NC
1Q
3
4
5
6
7
8
2 1 20 19
18
17
16
2CLR
2D
NC
2CLK
NC
2PRE
V
CC
GND
2Q
1Q
GND
NC
LC74A
LVC74A
LCV74A
LC74A
LC74A
1D
15
14
9 10 11 12 13
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 V
CC
operation, and
the SN74LVC74A dual positive-edge-triggered D-type flip-flop is designed for 1.65-V to 3.6-V V
CC
operation.
ORDERING INFORMATION
T
A
QFN – RGY
SOIC – D
–40°C to 85°C
SOP – NS
SSOP – DB
TSSOP – PW
CDIP – J
–55°C to 125°C
CFP – W
LCCC – FK
(1)
PACKAGE
(1)
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
ORDERABLE PART NUMBER
SN74LVC74ARGYR
SN74LVC74AD
SN74LVC74ADR
SN74LVC74ADT
SN74LVC74ANSR
SN74LVC74ADBR
SN74LVC74APW
SN74LVC74APWR
SN74LVC74APWT
SNJ54LVC74AJ
SNJ54LVC74AW
SNJ54LVC74AFK
SNJ54LVC74AJ
SNJ54LVC74AW
SNJ54LVC74AFK
TOP-SIDE MARKING
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.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 1993–2005, 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.
2Q
2Q
TI [ TEXAS INSTRUMENTS ]
