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FM27C040QE120 Datasheet(PDF) 1 Page - Fairchild Semiconductor

Part # FM27C040QE120
Description  4,194,304-Bit 512K x 8 High Performance CMOS EPROM
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

FM27C040QE120 Datasheet(HTML) 1 Page - Fairchild Semiconductor

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FM27C040 Rev. A
FM27C040
4,194,304-Bit (512K x 8) High Performance
CMOS EPROM
General Description
The FM27C040 is a high performance, 4,194,304-bit Electrically
Programmable UV Erasable Read Only Memory. It is organized
as 512K words of 8 bits each. Its pin-compatibility with byte-wide
JEDEC EPROMs enables upgrades through 8 Mbit EPROMs.
The “Don’t Care” feature on VPP during read operations allows
memory expansions from 1M to 8 Mbits with no printed circuit
board changes.
The FM27C040 provides microprocessor-based systems exten-
sive storage capacity for large portions of operating system and
application software. Its 120ns access time provides high speed
operation with high-performance CPUs. The FM27C040 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 FM27C040 is manufactured using Fairchild’s advanced CMOS
AMG™ EPROM technology.
Block Diagram
January 2000
Features
I High performance CMOS
— 120, 150ns access time*
I Simplified upgrade path
—VPP is a “Don’t Care” during normal read operation
I Manufacturer’s identification code
I JEDEC standard pin configuration
— 32-pin PDIP
— 32-pin PLCC
— 32-pin CERDIP
DS800033-1
AMG™ is a trademark of WSI, Inc.
© 1999 Fairchild Semiconductor Corporation
Output Enable,
Chip Enable, and
Program Logic
Y Decoder
X Decoder
Output
Buffers
Y Gating
4,194,304-Bit
Cell Matrix
Data Outputs O0 - O7
VCC
GND
VPP
OE
CE/PGM
A0 - A18
Address
Inputs
*Note: New revision meets 70ns. Please check with factory for availability.


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