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National Semiconductor Electronic Components Datasheet

NM27C512 Datasheet

High Performance CMOS EPROM

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NM27C512 pdf
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February 1994
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 AMGTM EPROM technology for an excellent combi-
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
The NM27C512 is one member of a high density EPROM
Family which range in densities up to 4 Megabit
Features
Y High performance CMOS
90 ns access time
Y Fast turn-off for microprocessor compatibility
Y Manufacturers identification code
Y JEDEC standard pin configuration
28-pin DIP package
32-pin chip carrier
Block Diagram
TRI-STATE is a registered trademark of National Semiconductor Corporation
NSC800TM is a trademark of National Semiconductor Corporation
AMGTM is a trademark of WSI Inc
C1995 National Semiconductor Corporation TL D 10834
TL D 10834 – 1
RRD-B30M65 Printed in U S A


National Semiconductor Electronic Components Datasheet

NM27C512 Datasheet

High Performance CMOS EPROM

No Preview Available !

NM27C512 pdf
Connection Diagrams
27C080 27C040 27C020 27C010 27C256
A19
A16
A15
A12
A7
A6
A5
A4
A3
A2
A1
A0
O0
O1
O2
GND
XX VPP XX VPP XX VPP
A16 A16 A16
A15 A15 A15
A12 A12 A12
A7 A7 A7
A6 A6 A6
A5 A5 A5
A4 A4 A4
A3 A3 A3
A2 A2 A2
A1 A1 A1
A0 A0 A0
O0 O0 O0
O1 O1 O1
O2 O2 O2
GND GND GND
VPP
A12
A7
A6
A5
A4
A3
A2
A1
A0
O0
O1
O2
GND
DIP
NM27C512
27C256 27C010 27C020 27C040 27C080
VCC
VCC
VCC
VCC
XX PGM XX PGM A18
A18
VCC XX A17 A17 A17
A14 A14 A14 A14 A14
A13 A13 A13 A13 A13
A8 A8 A8 A8 A8
A9 A9 A9 A9 A9
A11 A11 A11 A11 A11
OE OE OE OE OE VPP
A10 A10 A10 A10 A10
CE PGM CE
CE CE PGM CE PGM
O7 O7 O7 O7 O7
O6 O6 O6 O6 O6
O5 O5 O5 O5 O5
O4 O4 O4 O4 O4
O3 O3 O3 O3 O3
TL D 10834 – 2
Note Compatible EPROM pin configurations are shown in the blocks adjacent to the NM27C512 pins
Commercial Temp Range (0 C to a70 C)
Parameter Order Number
Access Time (ns)
NM27C512 Q N V 90
90
NM27C512 Q N V 120
120
NM27C512 Q N V 150
150
NM27C512 Q N V 200
200
Military Temp Range (b55 C to a125 C)
Parameter Order Number
Access Time (ns)
NM27C512 QM 200
200
Extended Temp Range (b40 C to a85 C)
Parameter Order Number
Access Time (ns)
NM27C512 QE NE VE 90
90
NM27C512 QE NE VE 120
120
NM27C512 QE NE VE 150
150
NM27C512 QE NE VE 200
200
Note Surface mount PLCC package available for commercial and extended
temperature ranges only
All versions are guaranteed to function for slower speeds
Package Types NM27C512 Q N V XXX
Q e Quartz-Windowed Ceramic DIP Package
N e Plastic OTP DIP Package
V e PLCC Package
 All packages conform to the JEDEC standard
A0 – A15
CE
OE
O0 – O7
PGM
XX
Pin Names
Addresses
Chip Enable
Output Enable
Outputs
Program
Don’t Care (During Read)
PLCC
TL D 10834 – 3
2


Part Number NM27C512
Description High Performance CMOS EPROM
Maker National Semiconductor
Total Page 10 Pages
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