7493 PDF – Decade and Binary Counters – Fairchild

Part number : 7493, DM7490A, DM7493A

Function : Decade and Binary Counters

Manufacturer : Fairchild

Image :

7493 pinouts

Decription :

Each of these monolithic counters contains four master-slave flip-flops and addtional gating to provide a divide-by-two counter and a three-stage binary counter for which the count cycle length is divide-by-five for the 90A and divide-by-eight for the 93A.

All of these counters have a gated zero reset and the 90A also has gated set-to-nine inputs for use in BCD nine’s complement applications.

Features

1. Typical power dissipation
(1) 90A  145mW
(2) 93A  130mW

2. Count frequency 42 Mhz

7493 Datasheet PDF

7493 Datasheet PDF