27C256 - 262 /144-Bit (32K x 8) High Performance CMOS EPROM
National
General Description
The NM27C256 is a 256K Electrically Programmable Read Only Memory It is manufactured in National’s latest CMOS split gate EPROM technology which enables it to operate at speeds as fast as 120 ns access time over the full operating range The NM27C256 provides microprocessor-based systems extensive st
Key Features
Y Y
Y Y
High performance CMOS 120 ns access time JEDEC standard pin configuration 28-pin DIP package 32-pin chip carrier Drop-in replacement for 27C256 or 27256 Manufacturer’s identification code
Block Diagram
TL D 10833.
1
TRI-STATE is a registered trademark of National Semiconductor Corporation HPCTM is a trademark of National Semiconductor Corporation C1995 National Semiconductor Corporation
TL D 10833
RRD-B30M65 Printed in U S A
Connection Diagrams
27C080 27C040 27C020 27C01.
Full PDF Text Transcription for 27C256 (Reference)
Note: Below is a high-fidelity text extraction (approx. 800 characters) for
27C256. For precise diagrams, and layout, please refer to the original PDF.
NM27C256 262 144-Bit (32K x 8) High Performance CMOS EPROM December 1993 NM27C256 262 144-Bit (32K x 8) High Performance CMOS EPROM General Description The NM27C256 is a ...
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8) High Performance CMOS EPROM General Description The NM27C256 is a 256K Electrically Programmable Read Only Memory It is manufactured in National’s latest CMOS split gate EPROM technology which enables it to operate at speeds as fast as 120 ns access time over the full operating range The NM27C256 provides microprocessor-based systems extensive storage capacity for large portions of operating system and application software Its 120 ns access time provides high speed operation with high-performance CPUs The NM27C256 offers a single chip solution for the code storage requirements of 100% firmware-based equipment Frequentl