NM27C040Q100 Fairchild Semiconductor, NM27C040Q100 Datasheet

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NM27C040Q100

Manufacturer Part Number
NM27C040Q100
Description
4,194,304 Bit (512K x 8) High Performance CMOS EPROM
Manufacturer
Fairchild Semiconductor
Datasheet

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© 1999 Fairchild Semiconductor Corporation
NM27C040 Rev. C.1
NM27C040
4,194,304-Bit (512K x 8) High Performance
CMOS EPROM
General Description
The NM27C040 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 V
memory expansions from 1M to 8 Mbits with no printed circuit
board changes.
The NM27C040 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 NM27C040 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 NM27C040 is manufactured using Fairchild’s advanced
CMOS AMG™ EPROM technology.
Block Diagram
AMG™ is a trademark of WSI, Inc.
A 0 - A 18
CE/PGM
Address
PP
Inputs
GND
V CC
V PP
during read operations allows
OE
Chip Enable, and
Output Enable,
Program Logic
X Decoder
Y Decoder
1
Features
*Note: New revision meets 70ns. Please check with factory for availability.
High performance CMOS
— 120, 150ns access time*
Simplified upgrade path
—V
Manufacturer’s identification code
JEDEC standard pin configuration
— 32-pin PDIP
— 32-pin PLCC
— 32-pin CERDIP
PP
is a “Don’t Care” during normal read operation
Data Outputs O 0 - O 7
4,194,304-Bit
Y Gating
Cell Matrix
Buffers
Output
February 1999
www.fairchildsemi.com
DS010836-1

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NM27C040Q100 Summary of contents

Page 1

... CE/PGM Address Inputs AMG™ trademark of WSI, Inc. © 1999 Fairchild Semiconductor Corporation NM27C040 Rev. C.1 Features High performance CMOS — 120, 150ns access time* Simplified upgrade path — “Don’t Care” during normal read operation PP Manufacturer’ ...

Page 2

Connection Diagrams 27C080 27C020 27C010 A XX/V XX ...

Page 3

Absolute Maximum Ratings Storage Temperature All Input Voltages except A9 with Respect to Ground V and A9 with Respect to Ground PP V Supply Voltage with CC Respect to Ground ESD Protection Read Operation DC Electrical Characteristics Symbol Parameter V ...

Page 4

AC Test Conditions Output Load 1 TTL Gate and C Input Rise and Fall Times Input Pulse Levels Timing Measurement Reference Level (Note 10) Inputs Outputs` AC Waveforms (Notes ADDRESSES 0. 0. ...

Page 5

Programming Waveform ADDRESSES DATA CE/PGM OE Programming Characteristics Symbol Parameter t Address Setup Time Setup Time OES t Data Setup Time Setup Time VPS Setup Time VCS ...

Page 6

Turbo Programming Algorithm Flow Chart DEVICE YES FAILED INCREMENT ADDRESS Note: The standard National Semiconductor algorithm may also be used with it will have longer programming time. NM27C040 Rev 12.75V ...

Page 7

... The Manufacturer’s Identification code, shown in Table 2, specifi- cally identifies the manufacturer and device type. The code for NM27C040 is “8F08”, where “8F” designates that it is made by Fairchild Semiconductor, and “08” designates a 4 Megabit (512K x 8) part. The code is accessed by applying 12V 0.5V to address pin A9. ...

Page 8

Functional Description (Continued) ERASURE CHARACTERISTICS The erasure characteristics of the device are such that erasure begins to occur when exposed to light with wavelengths shorter than approximately 4000 Angstroms (Å). It should be noted that sunlight and certain types of ...

Page 9

Physical Dimensions inches (millimeters) unless otherwise noted 32 R 0.025 1 R 0.030-0.055 TYP 0.005 MIN TYP 0.225 MAX TYP 0.125 MIN TYP 0.090-0.110 0.060-0.100 TYP TYP 32-Lead EPROM Ceramic Dual-In-Line Package (Q) NM27C040 Rev. C.1 1.660 MAX 17 0.585 ...

Page 10

Physical Dimensions inches (millimeters) unless otherwise noted 0.485-0.495 [12.32-12.57] 0.007[0.18] 0.449-0.453 [11.40-11.51] -A- 0.045 0.007[0.18] [1.143] 0.002[0.05] 0.000-0.010 [0.00-0.25] Polished Optional 0.549-0.553 [13.94-14.05] -B- 0.585-0.595 [14.86-15.11] - 0.002[0.05 F-G 0.007[0.18 ...

Page 11

... Life Support Policy Fairchild's products are not authorized for use as critical components in life support devices or systems without the express written approval of the President of Fairchild Semiconductor Corporation. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support ...

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