SN74HCS393DYYR.A datasheet(3/38 Pages) TI2

3 / 38 page

3 Pin Configuration and Functions

SN54HC393 J or W Package, 14-Pin CDIP or CFP;

SN74HC393 D, DB, DYY, N, NS, or PW Package; 14-

Pin SOIC, SSOP, SOT-23, TVSOP, SOP, or TSSOP

(Top View)

NC - No internal connection

SN54HC393 FK Package, 20-Pin LCCC

(Top View)

Table 3-1. Pin Functions

TYPE1

DESCRIPTION

NAME

NO.

1CLK

Counter 1 Clock Input

1CLR

Counter 1 Clear Input

1QA

Counter 1 A Output

1QB

Counter 1 B Output

1QC

Counter 1 B Output

1QD

Counter 1 B Output

GND

Ground

2QD

Counter 2 D Output

2QC

Counter 2 C Output

2QB

Counter 2 B Output

2QA

Counter 2 A Output

2CLR

Counter 2 Clear Input

2CLK

Counter 2 Clock Input

VCC

1. I = Input, O = Output, I/O = Input or Output, G = Ground, P = Power.

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SN54HC393, SN74HC393

SCLS143E – DECEMBER 1982 – REVISED DECEMBER 2024

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