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27C010 データシートの表示(PDF) - National ->Texas Instruments

27C010 1,048,576-Bit (128K x 8) High Performance CMOS EPROM National-Semiconductor
National ->Texas Instruments National-Semiconductor
27C010 Datasheet PDF : 12 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
January 1994
1 048 576-Bit (128K x 8) High Performance CMOS EPROM
General Description
The NM27C010 is a high performance 1 048 576-bit Electri-
cally Programmable UV Erasable Read Only Memory It is
organized as 128K-words of 8 bits each Its pin-compatibility
with byte-wide JEDEC EPROMs enables upgrades through
8 Mbit EPROMs The ‘‘Don’t Care’’ feature during read op-
erations allows memory expansions from 1M to 8M bits with
no printed circuit board changes
The NM27C010 can directly replace lower density 28-pin
EPROMs by adding an A16 address line and VCC jumper
During the normal read operation PGM and VPP are in a
‘‘Don’t Care’’ state which allows higher order addresses
such as A17 A18 and A19 to be connected without affect-
ing the normal read operation This allows memory up-
grades to 8M bits without hardware changes The
NM27C010 is also offered in a 32-pin plastic DIP with the
same upgrade path
The NM27C010 provides microprocessor-based systems
extensive storage capacity for large portions of operating
system and application software Its 90 ns access time pro-
vides no-wait-state operation with high-performance CPUs
The NM27C010 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 NM27C010 is manufactured using National’s advanced
The NM27C010 is one member of a high density EPROM
Family which range in densities up to 4 Megabit
Y High performance CMOS
90 ns access time
Y Fast turn-off for microprocessor compatibility
Y Simplified upgrade path
VPP and PGM are ‘‘Don’t Care’’ during normal read
Y Manufacturers identification code
Y Fast programming
Y JEDEC standard pin configurations
32-pin DIP package
32-pin PLCC package
32-pin TSOP package
Block Diagram
TRI-STATE is a registered trademark of National Semiconductor Corporation
AMGTM is a trademark of WSI Inc
C1995 National Semiconductor Corporation TL D 10798
TL D 10798 – 1
RRD-B30M65 Printed in U S A
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