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SNx4HC595 8-Bit Shift Registers With 3-State Output Registers

1 Features

•8-bit serial-in, parallel-out shift

•Wide operating voltage range of 2 V to 6 V

•High-current 3-state outputs can drive up to 15

LSTTL loads

•Low power consumption: 80-μA (maximum) ICC

• tpd = 13 ns (typical)

•±6-mA output drive at 5 V

•Low input current: 1 μA (maximum)

•Shift register has direct clear

•On products compliant to MIL-PRF-38535,

all parameters are tested unless otherwise noted.

On all other products, production processing does

not necessarily include testing of all parameters.

2 Applications

•Network switches

•Power infrastructure

•LED displays

• Servers

3 Description

The SNx4HC595 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.

Device Information

PART NUMBERPACKAGE(1) BODY SIZE (NOM)

SN54HC595FKLCCC (20)8.89 mm × 8.89 mm

SN54HC595JCDIP (16)21.34 mm × 6.92 mm

SN74HC595NPDIP (16)19.31 mm × 6.35 mm

SN74HC595DSOIC (16)9.90 mm × 3.90 mm

SN74HC595DWSOIC (16)10.30 mm × 7.50 mm

SN74HC595DBSSOP (16)6.20 mm × 5.30 mm

SN74HC595PWTSSOP (16)5.00 mm × 4.40 mm

(1)For all available packages, see the orderable addendum at

the end of the data sheet.

3R

C3

3S

1D

C1

R

3R

C3

3S

2R

C2

R

2S

3R

C3

3S

2R

C2

R

2S

3R

C3

3S

2R

C2

R

2S

3R

C3

3S

2R

C2

R

2S

3R

C3

3S

2R

C2

R

2S

3R

C3

3S

2R

C2

R

2S

3R

C3

3S

2R

C2

R

2S

13

12

10

11

14

15

1

2

3

4

5

6

7

9

QA

QB

QC

QD

QE

QF

QG

QH

QH′

OE

SRCLR

RCLK

SRCLK

SER

Pin numbers shown are for the D, DB, DW, J, N, NS, PW, and W packages.

Functional Block Diagram

SN54HC595, SN74HC595

SCLS041J – DECEMBER 1982 – REVISED OCTOBER 2021

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

Produktspecifikationer