74HC_HCT594

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© NXP Semiconductors N.V. 2016. All rights reserved.

Product data sheet

Rev. 4 — 25 February 2016

4 of 23

NXP Semiconductors

74HC594; 74HCT594

8-bit shift register with output register

6.

Pinning information

6.1 Pinning

6.2 Pin description

Fig 6.

Pin configuration SO16

Fig 7.

Pin configuration SSOP16

Table 2.

Pin description

Symbol

Pin

Description

Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7

15, 1, 2, 3, 4, 5, 6, 7

parallel data output

GND

8

ground (0 V)

Q7S

9

serial data output

SHR

10

shift register reset (active LOW)

SHCP

11

shift register clock input

STCP

12

storage register clock input

STR

13

storage register reset (active LOW)

DS

14

serial data input

VCC

16

supply voltage