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M27C1024-45B3X

1 Mbit (64Kb x16) UV EPROM and OTP EPROM

STMicroelectronics 

M27C1024

1 Mbit (64Kb x16) UV EPROM and OTP EPROM

s 5V ± 10% SUPPLY VOLTAGE in READ

OPERATION

s ACCESS TIME: 35ns

s LOW POWER CONSUMPTION:

– Active Current 35mA at 5MHz

– Standby Current 100µA

s PROGRAMMING VOLTAGE: 12.75V ± 0.25V

s PROGRAMMING TIME: 100µs/word

s ELECTRONIC SIGNATURE

– Manufacturer Code: 20h

– Device Code: 8Ch

DESCRIPTION

The M27C1024 is a 1 Mbit EPROM offered in the

two ranges UV (ultra violet erase) and OTP (one

time programmable). It is ideally suited for micro-

processor systems requiring large data or program

storage and is organized as 65,536 words of 16

bits.

The FDIP40W (window ceramic frit-seal package)

has a transparent lid which allows the user to ex-

pose the chip to ultraviolet light to erase the bit pat-

tern. A new pattern can then be written to the

device by following the programming procedure.

For application where the content is programmed

only one time and erasure is not required, the

M27C1024 is offered in PDIP40, PLCC44 and

TSOP40 (10 x 14 mm) packages.

40

1

FDIP40W (F)

40

1

PDIP40 (B)

PLCC44 (C)

TSOP40 (N)

10 x 14 mm

Figure 1. Logic Diagram

VCC VPP

16

A0-A15

16

Q0-Q15

P

M27C1024

E

G

VSS

AI00702B

November 2001

1/16

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