C0083C0078C0053C0052C0072C0067C0050C0055C0051C0044 C0083C0078C0055C0052C0072C0067C0050C0055C0051
C0079C0067C0084C0065C0076 C0068C0262C0084C0089C0080C0069 C0070C0076C0073C0080C0262C0070C0076C0079C0080C0083
C0087C0073C0084C0072 C0067C0076C0069C0065C0082
SCLS136D − DECEMBER 1982 − REVISED AUGUST 2003
1POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
C0068 Wide Operating Voltage Range of 2 V to 6 V
C0068 Outputs Can Drive Up To 10 LSTTL Loads
C0068 Low Power Consumption, 80-µA Max I
CC
C0068 Typical t
pd
= 12 ns
C0068 ±4-mA Output Drive at 5 V
C0068 Low Input Current of 1 µA Max
C0068 Contain Eight Flip-Flops With Single-Rail
Outputs
C0068 Direct Clear Input
C0068 Individual Data Input to Each Flip-Flop
C0068 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
SOIC − DW
Tube of 25 SN74HC273DW
HC273
Reel of 2000 SN74HC273DWR
−40°C to 85°C
SOP − NS Reel of 2000 SN74HC273NSR HC273
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 IncorporatedC0080C0082C0079C0068C0085C0067C0084C0073C0079C0078 C0068C0065C0084C0065 C0105C0110C0102C0111C0114C0109C0097C0116C0105C0111C0110 C0105C0115 C0099C0117C0114C0114C0101C0110C0116 C0097C0115 C0111C0102 C0112C0117C0098C0108C0105C0099C0097C0116C0105C0111C0110 C0100C0097C0116C0101C0046
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