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93L38 Datasheet

  • 93L38

  • 130.80KB

  • 6頁(yè)

  • ETC

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93L38 8-Bit Multiple Port Register
July 1989
93L38
8-Bit Multiple Port Register
General Description
The 93L38 is an 8-bit multiple port register designed for high
speed random access memory applications where the abili-
ty to simultaneously read and write is desirable A common
use would be as a register bank in a three address comput-
er Data can be written into any one of the eight bits and
read from any two of the eight bits simultaneously The cir-
cuit uses TTL technology and is compatible with all TTL
families
Features
Y
Y
Y
Master slave operation permitting simultaneous write
read without race problems
Simultaneously read two bits and write one bit in any
one of eight bit positions
Readily expandable to allow for larger word sizes
Connection Diagram
Dual-In-Line Package
Logic Symbol
TL F 10202 鈥?1
TL F 10202 鈥?2
Order Number 93L38DMQB or 93L38FMQB
See NS Package Number J16A or W16A
V
CC
e
Pin 16
GND
e
Pin 8
Pin Names
A0鈥揂2
DA
B0鈥揃2
C0鈥揅2
CP
SLE
ZB
ZC
Description
Write Address Inputs
Data Input
B Read Address Inputs
C Read Address Inputs
Clock Pulse Input (Active Rising Edge)
Slave Enable Input (Active LOW)
B Output
C Output
C
1995 National Semiconductor Corporation
TL F 10202
RRD-B30M105 Printed in U S A

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