SCLS136D − DECEMBER 1982 − REVISED AUGUST 2003
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
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 I
CC
D Typical t
pd
= 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
D Direct Clear Input
D Individual Data Input to Each Flip-Flop
D Applications Include:
− Buffer/Storage Registers
− Shift Registers
− Pattern Generators
description
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
CLR
1Q
1D
2D
2Q
3Q
3D
4D
4Q
GND
V
CC
8Q
8D
7D
7Q
6Q
6D
5D
5Q
CLK
SN54HC273 ...J OR W PACKAGE
SN74HC273 . . . DB, DW, N, NS, OR PW PACKAGE
(TOP VIEW)
3212019
910111213
4
5
6
7
8
18
17
16
15
14
8D
7D
7Q
6Q
6D
2D
2Q
3Q
3D
4D
1D
1Q
CLR
5Q
5D
8Q
4Q
GND
CLK
V
CC
SN54HC273 . . . FK PACKAGE
(TOP VIEW)
description/ordering information
These circuits are positive-edge-triggered D-type flip-flops with a direct clear (CLR) input.
ORDERING INFORMATION
T
A
PACKAGE
†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP − N Tube of 20 SN74HC273N SN74HC273N
Tube of 25 SN74HC273DW
SOIC − DW
Reel of 2000 SN74HC273DWR
HC273
SOP − NS Reel of 2000 SN74HC273NSR HC273
−40°C to 85°C
SSOP − DB Reel of 2000 SN74HC273DBR HC273
Tube of 70 SN74HC273PW
TSSOP − PW
Reel of 2000 SN74HC273PWR
HC273
Reel of 250 SN74HC273PWT
CDIP − J Tube of 20 SNJ54HC273J SNJ54HC273J
−55°C to 125°C
CFP − W Tube of 85 SNJ54HC273W 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.
Copyright 2003, Texas Instruments Incorporated
! " #$%! " &$'(#! )!%*
)$#!" # ! "&%##!" &% !+% !%" %," "!$%!"
"!)) -!.* )$#! &#%""/ )%" ! %#%""(. #($)%
!%"!/ (( &%!%"*
&)$#!" #&(! ! 01 (( &%!%" % !%"!%)
$(%"" !+%-"% !%)* (( !+% &)$#!" &)$#!
&#%""/ )%" ! %#%""(. #($)% !%"!/ (( &%!%"*
