M27W201-80NZ6TR datasheet(1/16 Pages) STMICROELECTRONICS

Il numero della parte	M27W201-80NZ6TR

Spiegazioni elettronici	2 Mbit 256Kb x 8 Low Voltage UV EPROM and OTP EPROM

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October 2001

M27W201

2 Mbit (256Kb x 8) Low Voltage UV EPROM and OTP EPROM

s

2.7V to 3.6V LOW VOLTAGE in READ

OPERATION

s

ACCESS TIME:

–70ns at VCC =3.0V to 3.6V

–80ns at VCC =2.7V to 3.6V

s

PIN COMPATIBLE with M27C2001

s

LOW POWER CONSUMPTION:

– 15µA max Standby Current

– 15mA max Active Current at 5MHz

s

PROGRAMMING TIME 100µs/byte

s

HIGH RELIABILITY CMOS TECHNOLOGY

– 2,000V ESD Protection

– 200mA Latchup Protection Immunity

s

ELECTRONIC SIGNATURE

– Manufacturer Code: 20h

– Device Code: 61h

DESCRIPTION

The M27W201 is a low voltage 2 Mbit EPROM of-

fered in the two range UV (ultra violet erase) and

OTP (one time programmable). It is ideally suited

for microprocessor systems requiring large data or

program storage and is organised as 262,144 by 8

bits.

The M27W201 operates in the read mode with a

supply voltage as low as 2.7V at –40 to 85°C tem-

perature range. The decrease in operating power

allows either a reduction of the size of the battery

or an increase in the time between battery re-

charges.

The FDIP32W (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

M27W201 is offered in PDIP32, PLCC32 and

TSOP32 (8 x 20mm and 8 x 14mm) packages.

Figure 1. Logic Diagram

AI01359

18

A0-A17

P

Q0-Q7

VPP

VCC

M27W201

G

E

VSS

8

1

32

1

FDIP32W (F)

PDIP32 (B)

PLCC32 (K)

TSOP32 (N)

8 x 20 mm

TSOP32 (NZ)

8 x 14 mm

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