TC74AC393 View Datasheet(PDF) - Toshiba

Part Name

Description

View to exact match

TC74AC393

Dual Binary Counter

Toshiba 

Pin Assignment

1CK 1

1CLR 2

1QA 3

1QB 4

1QC 5

1QD 6

GND 7

(top view)

14 VCC

13 2CK

12 2CLR

11 2QA

10 2QB

9 2QC

8 2QD

Truth Table

Inputs

Outputs

CK CLR QA QB QC QD

X

H

L

L

L

L

L

Count Up

L

No Change

X: Don’t care

Timing Chart

CK

CLR

QA

QB

QC

QD

TC74AC393P/F/FN/FT

IEC Logic Symbol

1CLR (2)

1CK (1)

2CLR (12)

CTRDIV 16 0

CT = 0

CT

+

3

2CK (13)

(3) 1QA

(4) 1QB

(5) 1QC

(6) 1QD

(11) 2QA

(10) 2QB

(9) 2QC

(8) 2QD

2

2007-10-01

Share Link: