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SN74HC595 Datasheet, PDF (1/20 Pages) Texas Instruments – 8BIT SHIFT REGISTERS WITH 3 STATE OUTPUT REGISTERS
SN54HC595, SN74HC595
8ĆBIT SHIFT REGISTERS
WITH 3ĆSTATE OUTPUT REGISTERS
SCLS041G − DECEMBER 1982 − REVISED FEBRUARY 2004
D 8-Bit Serial-In, Parallel-Out Shift
D Wide Operating Voltage Range of 2 V to 6 V
D High-Current 3-State Outputs Can Drive Up
To 15 LSTTL Loads
D Low Power Consumption, 80-µA Max ICC
D Typical tpd = 13 ns
D ±6-mA Output Drive at 5 V
D Low Input Current of 1 µA Max
D Shift Register Has Direct Clear
description/ordering information
SN54HC595 . . . J OR W PACKAGE
SN74HC595 . . . D, DB, DW, N, OR NS PACKAGE
(TOP VIEW)
QB 1
QC 2
QD 3
QE 4
QF 5
QG 6
QH 7
GND 8
16 VCC
15 QA
14 SER
13 OE
12 RCLK
11 SRCLK
10 SRCLR
9 QH′
The ’HC595 devices contain an 8-bit serial-in,
parallel-out shift register that feeds an 8-bit D-type
storage register. The storage register has parallel
3-state outputs. Separate clocks are provided for
both the shift and storage register. The shift
register has a direct overriding clear (SRCLR)
input, serial (SER) input, and serial outputs for
cascading. When the output-enable (OE) input is
high, the outputs are in the high-impedance state.
Both the shift register clock (SRCLK) and storage
register clock (RCLK) are positive-edge triggered.
If both clocks are connected together, the shift
register always is one clock pulse ahead of the
storage register.
SN54HC595 . . . FK PACKAGE
(TOP VIEW)
QD
3 2 1 20 19
4
18
SER
QE 5
17 OE
NC 6
16 NC
QF 7
15 RCLK
QG
8
14
9 10 11 12 13
SRCLK
NC − No internal connection
ORDERING INFORMATION
TA
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP − N
Tube of 25
SN74HC595N
SN74HC595N
Tube of 40
SN74HC595D
−40°C to 85°C
SOIC − D
SOIC − DW
Reel of 2500
Reel of 250
Tube of 40
Reel of 2000
SN74HC595DR
SN74HC595DT
SN74HC595DW
SN74HC595DWR
HC595
HC595
SOP − NS
Reel of 2000 SN74HC595NSR
HC595
SSOP − DB
Reel of 2000 SN74HC595DBR
HC595
CDIP − J
Tube of 25
SNJ54HC595J
SNJ54HC595J
−55°C to 125°C CFP − W
Tube of 150
SNJ54HC595W
SNJ54HC595W
LCCC − FK
Tube of 55
SNJ54HC595FK
SNJ54HC595FK
† 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  2004, 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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