HD74LV393A Datasheet, PDF (2/11 Pages) Hitachi Semiconductor – Dual 4-bit Binary Counters

HD74LV393A
Function Table
Inputs
CLK
X
H
L
↑
↓
Note: H: High level
L: Low level
X: Immaterial
↑: Low to high transition
↓: High to low transition
CLR
H
L
L
L
L
Pin Arrangement
Output
L
No change
No change
No change
Count up
1CLK 1
1CLR 2
1QA 3
1QB 4
1QC 5
1QD 6
GND 7
14 V_CC
13 2CLK
12 2CLR
11 2QA
10 2QB
9 2QC
8 2QD
(Top view)
Rev.3.00 Jun. 28, 2004 page 2 of 10