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參數(shù)資料
| 型號： | NM27C256QE100 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | 262,144-Bit (32K x 8) High Performance CMOS EPROM |
| 中文描述： | 262,144位（32K的× 8）高性能CMOS存儲器 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大?。?/td> | 125K |
| 代理商： | NM27C256QE100 |
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www.fairchildsemi.com
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NM27C256
262,144-Bit (32K x 8) High Performance CMOS EPROM
General Description
The NM27C256 is a 256K Electrically Programmable Read Only
Memory. It is manufactured in Fairchild’s latest CMOS split gate
EPROM technology which enables it to operate at speeds as fast
as 90 ns access time over the full operating range.
The NM27C256 provides microprocessor-based systems exten-
sive storage capacity for large portions of operating system and
application software. Its 90 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. Frequently-used software routines
are quickly executed from EPROM storage, greatly enhancing
system utility.
The NM27C256 is configured in the standard EPROM pinout
which provides an easy upgrade path for systems which are
currently using standard EPROMs.
Block Diagram
July 1998
The NM27C256 is one member of a high density EPROM Family
which range in densities up to 4 Mb.
Features
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High performance CMOS
—90 ns access time
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JEDEC standard pin configuration
— 28-pin PDIP package
— 32-pin chip carrier
— 28-pin CERDIP package
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Drop-in replacement for 27C256 or 27256
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Manufacturer’s identification code
DS010833-1
Output Enable
and Chip Enable Logic
Y Decoder
X Decoder
.
.
Output
Buffers
Y Gating
Data Outputs O0 - O7
VCC
GND
VPP
OE
CE/PGM
A0 - A14
Address
Inputs
1998 Fairchild Semiconductor Corporation
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| NM27C256QE90 | 262,144-Bit (32K x 8) High Performance CMOS EPROM |
| NM27C256VE100 | 262,144-Bit (32K x 8) High Performance CMOS EPROM |
| NM27C256VE90 | 262,144-Bit (32K x 8) High Performance CMOS EPROM |
| NM27C256 | 262,144-Bit (32K x 8) High Performance CMOS EPROM |
| NM27C256Q | 262,144-Bit (32K x 8) High Performance CMOS EPROM |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| NM27C256QE120 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:262,144-Bit (32K x 8) High Performance CMOS EPROM |
| NM27C256QE150 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EPROM |
| NM27C256QE200 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EPROM |
| NM27C256QE90 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:262,144-Bit (32K x 8) High Performance CMOS EPROM |
| NM27C256QM150 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EPROM |
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