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DM9338N
8-Bit Multiple Port Register
TL/F/9794
9338/DM9338
8-Bit
Multiple
Port
Register
June 1989
9338/DM9338 8-Bit Multiple Port Register
General Description
The DM9338isan 8-bit multiple port register designedfor
high speed random access memory applications wherethe
abilityto simultaneously readand writeis desirable.A com-
monuse wouldbeasa register bankina three address
computer. Datacanbe writtenintoanyoneofthe eightbits
and read fromanytwoofthe eightbits simultaneously.
Connection Diagrams
Dual-In-Line Package
TL/F/9794–1
Order Number 9338DMQB, 9338FMQBor DM9338N
SeeNS PackageNumberJ16A, N16Eor W16A
Pin Names Description
A0–A2 Write Address Inputs Data Input
B0–B2 B Read AddressInputs
C0–C2 C Read Address Inputs Clock PulseInput (Active Rising Edge)
SLE SlaveEnable Input (ActiveLOW) B Output C Output
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