NM27C512QE200 National Semiconductor, NM27C512QE200 Datasheet

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NM27C512QE200

Manufacturer Part Number
NM27C512QE200
Description
Manufacturer
National Semiconductor
Datasheet

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C 1995 National Semiconductor Corporation
NM27C512
524 288-Bit (64K x 8) High Performance CMOS EPROM
General Description
The NM27C512 is a high performance 512K UV Erasable
Electrically Programmable Read Only Memory (EPROM) It
is manufactured using National’s proprietary 0 8 micron
CMOS AMG
nation of speed and economy while providing excellent reli-
ability
The NM27C512 provides microprocessor-based systems
storage capacity for portions of operating system and appli-
cation software Its 90 ns access time provides no-
wait-state operation with high-performance CPUs The
NM27C512 offers a single chip solution for the code storage
requirements of 100% firmware-based equipment Fre-
quently-used software routines are quickly executed from
EPROM storage greatly enhancing system utility
The NM27C512 is configured in the standard JEDEC
EPROM pinout which provides an easy upgrade path for
systems which are currently using standard EPROMs
Block Diagram
TRI-STATE is a registered trademark of National Semiconductor Corporation
NSC800
AMG
TM
is a trademark of WSI Inc
TM
is a trademark of National Semiconductor Corporation
TM
EPROM technology for an excellent combi-
TL D 10834
The NM27C512 is one member of a high density EPROM
Family which range in densities up to 4 Megabit
Features
Y
Y
Y
Y
High performance CMOS
Fast turn-off for microprocessor compatibility
Manufacturers identification code
JEDEC standard pin configuration
90 ns access time
28-pin DIP package
32-pin chip carrier
TL D 10834 – 1
RRD-B30M65 Printed in U S A
February 1994

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NM27C512QE200 Summary of contents

Page 1

... EPROM storage greatly enhancing system utility The NM27C512 is configured in the standard JEDEC EPROM pinout which provides an easy upgrade path for systems which are currently using standard EPROMs Block Diagram TRI-STATE is a registered trademark of National Semiconductor Corporation NSC800 trademark of National Semiconductor Corporation AMG ...

Page 2

Connection Diagrams 27C080 27C040 27C020 27C010 27C256 ...

Page 3

... Absolute Maximum Ratings If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Storage Temperature b All Input Voltages Except A9 with Respect to Ground V and A9 with Respect to Ground PP Operating Range Range Temperature Comm’ ...

Page 4

Capacitance MHz (Note Symbol Parameter C Input Capacitance IN1 except Output Capacitance OUT IN2 Capacitance AC Test Conditions Output Load Input ...

Page 5

Programming Characteristics Symbol Parameter t Address Setup Time Setup Time OES t Data Setup Time Setup Time VCS CC t Address Hold Time AH t Data Hold Time DH t Chip Enable to Output ...

Page 6

Fast Programming Algorithm Flow Chart FIGURE 10834 – 6 ...

Page 7

... NM27C512 is ‘‘8F85’’ where ‘‘8F’’ designates that ) will damage made by National Semiconductor and ‘‘85’’ designates a 512K part The code is accessed by applying 12V pin A9 Addresses A1– A8 A10– A16 and all control pins ...

Page 8

Functional Description (Continued) are held at V Address pin A0 is held facturer’s code and held at V for the device code The IH code is read on the eight data pins O – access ...

Page 9

Physical Dimensions inches (millimeters) UV Window Cavity Dual-In-Line Cerdip Package (JQ) 28-Lead Plastic One-Time-Programmable Dual-In-Line Order Number NM27C512Q NS Package Number J28CQ Order Number NM27C512N NS Package Number N28B 9 ...

Page 10

... National Semiconductor National Semiconductor National Semiconductores Japan Ltd Hong Kong Ltd Do Brazil Ltda Sumitomo Chemical 13th Floor Straight Block ...

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