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23C16 Schematic ( PDF Datasheet ) - Commodore

Teilenummer 23C16
Beschreibung STATIC READ ONLY MEMORY
Hersteller Commodore
Logo Commodore Logo 




Gesamt 4 Seiten
23C16 Datasheet, Funktion
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MPS
23C16
STATIC READ ONLY MEMORY
(2048x8)
23C16 STATIC READ ONLY MEMORY (2048x8)
DESCRIPTION
The 23C16 high performance read only memory is organized 2048 words by 8 bits with access
times of less than450 ns. This ROM is designed to be compatible with all microprocessor and similar
applications where high performance, large bit storage and simple interfacing are important design
considerations.
The 23C16 operates totally asynchronously. No clock input is required. The three program-
mable chip select inputs allow eight 16K ROMS to be OR-tied without external decoding.
Designed to replace two 2708 8K EPROMS, the 23C16 can eliminate the need to redesign
printed circuit boards for volume mask programmed ROMS after prototyping with EPROMS.
.400mV Noise Immunity on Inputs
.2048 x 8 Bit Organization
• Single +5 Volt Supply
• Access Time - 450 ns
• Totally Static Operation
• TTL Compatible
• Three-State Outputs for Wire-OR Expansion
Thre~ Programmable Chip Selects
• Pin Compatible with 2716 EPROM
• Replacement for two 2708s
.2708/2716 EPROMS Accepted as Program
Data Inputs
MXS-23C16
PACKAGE DESIGNATOR
C=CERAMIC
P = PLASTIC
23C16
A7
As
A5
A4
A3
A2
AI
AO
01
02
03
GND
vcc
As.
Ag
CS3/CS3
CSI/CSI
AIO
CS2/CS2
08
07
06
05
04
3-18





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