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SN54HC273_09 Datasheet, PDF (1/20 Pages) Texas Instruments – OCTAL D-TYPE FLIP-FLOPS WITH CLEAR
D Wide Operating Voltage Range of 2 V to 6 V
D Outputs Can Drive Up To 10 LSTTL Loads
D Low Power Consumption, 80-µA Max ICC
D Typical tpd = 12 ns
D ±4-mA Output Drive at 5 V
D Low Input Current of 1 µA Max
D Contain Eight Flip-Flops With Single-Rail
Outputs
description
SN54HC273, SN74HC273
OCTAL DĆTYPE FLIPĆFLOPS
WITH CLEAR
SCLS136D − DECEMBER 1982 − REVISED AUGUST 2003
D Direct Clear Input
D Individual Data Input to Each Flip-Flop
D Applications Include:
− Buffer/Storage Registers
− Shift Registers
− Pattern Generators
SN54HC273 . . . J OR W PACKAGE
SN74HC273 . . . DB, DW, N, NS, OR PW PACKAGE
(TOP VIEW)
SN54HC273 . . . FK PACKAGE
(TOP VIEW)
CLR 1
1Q 2
1D 3
2D 4
2Q 5
3Q 6
3D 7
4D 8
4Q 9
GND 10
20 VCC
19 8Q
18 8D
17 7D
16 7Q
15 6Q
14 6D
13 5D
12 5Q
11 CLK
3 2 1 20 19
2D 4
18 8D
2Q 5
17 7D
3Q 6
16 7Q
3D 7
15 6Q
4D 8
14 6D
9 10 11 12 13
description/ordering information
These circuits are positive-edge-triggered D-type flip-flops with a direct clear (CLR) input.
ORDERING INFORMATION
TA
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP − N
Tube of 20
SN74HC273N
SN74HC273N
SOIC − DW
Tube of 25
Reel of 2000
SN74HC273DW
SN74HC273DWR
HC273
−40°C to 85°C
SOP − NS
SSOP − DB
Reel of 2000
Reel of 2000
SN74HC273NSR
SN74HC273DBR
HC273
HC273
Tube of 70
SN74HC273PW
TSSOP − PW
Reel of 2000
Reel of 250
SN74HC273PWR
SN74HC273PWT
HC273
CDIP − J
−55°C to 125°C CFP − W
Tube of 20
Tube of 85
SNJ54HC273J
SNJ54HC273W
SNJ54HC273J
SNJ54HC273W
LCCC − FK
Tube of 55
SNJ54HC273FK
SNJ54HC273FK
† 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 Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright  2003, Texas Instruments Incorporated
On products compliant to MILĆPRFĆ38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
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