
SCLS381L AUGUST 1997 REVISED APRIL 2005
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
2-V to 5.5-V V
CC
Operation
Max t
pd
of 8.5 ns at 5 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)
>2.3 V at V
CC
= 3.3 V, T
A
= 25
°
C
Support Mixed-Mode Voltage Operation on
All Ports
I
off
Supports Partial-Power-Down Mode
Operation
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)
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1CLR
1D
1CLK
1PRE
1Q
1Q
GND
V
CC
2CLR
2D
2CLK
2PRE
2Q
2Q
SN54LV74A . . . J OR W PACKAGE
SN74LV74A . . . D, DB, DGV, 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
2D
NC
2CLK
NC
2PRE
1CLK
NC
1PRE
NC
1Q
1
1
N
2
2
V
2
1
G
N
SN54LV74A . . . FK PACKAGE
(TOP VIEW)
NC No internal connection
SN74LV74A . . . RGY PACKAGE
(TOP VIEW)
1
1
14
7
8
2
3
4
5
6
13
12
11
10
9
2CLR
2D
2CLK
2PRE
2Q
1D
1CLK
1PRE
1Q
1Q
2
V
G
description/ordering information
These dual positive-edge-triggered D-type flip-flops are designed for 2-V to 5.5-V V
CC
operation.
ORDERING INFORMATION
TA
PACKAGE
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
QFN RGY
Reel of 1000
SN74LV74ARGYR
LV74A
SOIC D
Tube of 50
SN74LV74AD
LV74A
Reel of 2500
SN74LV74ADR
SOP NS
Reel of 2000
SN74LV74ANSR
74LV74A
40 C to 85 C
SSOP DB
Reel of 2000
SN74LV74ADBR
LV74A
Tube of 90
SN74LV74APW
TSSOP PW
Reel of 2000
SN74LV74APWR
LV74A
Reel of 250
SN74LV74APWT
TVSOP DGV
Reel of 2000
SN74LV74ADGVR
LV74A
CDIP J
Tube of 25
SNJ54LV74AJ
SNJ54LV74AJ
55 C to 125 C
CFP W
Tube of 150
SNJ54LV74AW
SNJ54LV74AW
LCCC FK
Tube of 55
SNJ54LV74AFK
SNJ54LV74AFK
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design
guidelines are available at www.ti.com/sc/package.
Copyright
2005, Texas Instruments Incorporated
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