M27C4001-80XC6X STMicroelectronics, M27C4001-80XC6X Datasheet

M27C4001-80XC6X

Manufacturer Part Number

M27C4001-80XC6X

Description

4 Mbit 512Kb x 8 UV EPROM and OTP EPROM

Manufacturer

STMicroelectronics

Datasheet

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DESCRIPTION

The M27C4001 is a 4 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 programs and

is organised as 524,288 by 8 bits.

The FDIP32W (window ceramic frit-seal package)

and LCCC32W (leadless chip carrier package)

have a transparent lid which allow 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 applications where the content is programmed

only one time and erasure is not required, the

M27C4001 is offered in PDIP32, PLCC32 and

TSOP32 (8 x 20mm) packages.

Table 1. Signal Names

July 1998

A0-A18

Q0-Q7

OPERATION

FAST ACCESS TIME: 35ns

LOW POWER CONSUMPTION:

– Active Current 30mA at 5MHz

– Standby Current 100 A

PROGRAMMING VOLTAGE: 12.75V

PROGRAMMING TIME: 100 s/byte (typical)

ELECTRONIC SIGNATURE

– Manufacturer Code: 20h

– Device Code: 41h

10% SUPPLY VOLTAGE in READ

Address Inputs

Data Outputs

Chip Enable

Output Enable

Program Supply

Supply Voltage

Ground

4 Mbit (512Kb x 8) UV EPROM and OTP EPROM

0.25V

Figure 1. Logic Diagram

A0-A18

FDIP32W (F)

PLCC32 (C)

V CC

LCCC32W (L)

M27C4001

V SS

V PP

M27C4001

PDIP32 (B)

TSOP32 (N)

8 x 20 mm

Q0-Q7

AI00721B

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