Datasheet

SN54LVC574A, SN74LVC574A
OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCAS301R − JANUARY 1993 − REVISED MARCH 2005
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
description/ordering information (continued)
To ensure the high-impedance state during power up or power down, OE should be tied to V
CC
through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of these devices as translators
in a mixed 3.3-V/5-V system environment.
ORDERING INFORMATION
T
A
PACKAGE
†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
QFN − RGY Reel of 1000 SN74LVC574ARGYR LC574A
−40°C to 85°C
VFBGA − GQN
Reel of 1000
SN74LVC574AGQNR
LC574A
40 C
to
85 C
VFBGA − ZQN (Pb-free)
Reel of 1000
SN74LVC574AZQNR
LC574A
PDIP − N Tube of 20 SN74LVC574AN SN74LVC574AN
SOIC DW
Tube of 25 SN74LVC574ADW
LVC574A
SOIC − DW
Reel of 2000 SN74LVC574ADWR
LVC574A
SOP − NS Reel of 2000 SN74LVC574ANSR LVC574A
−40°C to 125°C
SSOP − DB Reel of 2000 SN74LVC574ADBR LC574A
40 C
to
125 C
Tube of 70 SN74LVC574APW
TSSOP − PW
Reel of 2000 SN74LVC574APWR
LC574A
TSSOP
PW
Reel of 250 SN74LVC574APWT
LC574A
TVSOP − DGV Reel of 2000 SN74LVC574ADGVR LC574A
CDIP − J Tube of 20 SNJ54LVC574AJ SNJ54LVC574AJ
−55°C to 125°C
CFP − W Tube of 85 SNJ54LVC574AW SNJ54LVC574AW
LCCC − FK Tube of 55 SNJ54LVC574AFK SNJ54LVC574AFK
†
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
terminal assignments
1234
A 1D
OE V
CC
1Q
B 3D 3Q 2D 2Q
C 5D 4D 5Q 4Q
D 7D 7Q 6D 6Q
E GND 8D CLK 8Q
FUNCTION TABLE
(each flip-flop)
INPUTS
OUTPUT
OE CLK D
OUTPUT
Q
L ↑ H H
L ↑ LL
L LX Q
0
H X X Z
GQN OR ZQN PACKAGE
(TOP VIEW)
1234
A
B
C
D
E