TLF9794

June 1989

9338DM9338 8-Bit Multiple Port Register

General Description

The DM9338 is an 8-bit multiple port register designed for

high speed random access memory applications where the

ability to simultaneously read and write is desirable A com-

mon use would be as a register bank in a three address

computer Data can be written into any one of the eight bits

and read from any two of the eight bits simultaneously

Connection Diagrams

Dual-In-Line Package

TLF9794 – 1

Order Number 9338DMQB 9338FMQB or DM9338N

See NS Package Number J16A N16E or W16A

Pin Names

Description

A0 – A2

Write Address Inputs

Data Input

B0 – B2

B Read Address Inputs

C0 – C2

C Read Address Inputs

CP

Clock Pulse Input (Active Rising Edge)

SLE

Slave Enable Input (Active LOW)

B Output

C Output

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