MX27C256 Macronix International, MX27C256 Datasheet

MX27C256

Manufacturer Part Number

MX27C256

Description

256K-BIT [32K x 8] CMOS EPROM

Manufacturer

Macronix International

Datasheet

1.MX27C256.pdf (15 pages)

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Download datasheet (744Kb)

P/N: PM0203

FEATURES

•

GENERAL DESCRIPTION

The MX27C256 is a 5V only, 256K-bit, ultraviolet Eras-

able Programmable Read Only Memory. It is organized

as 32K by 8 bits, operates from a single + 5volt supply,

has a static standby mode, and features fast single

address location programming.

signals are TTL levels, requiring a single pulse. For

programming from outside

PIN CONFIGURATIONS

PDIP

8 x 13.4mm 28-TSOP(I)

VCC

VPP

GND

A11

A13

A14

A12

VPP

A12

32K x 8 organization

Single +5V power supply

+12.5V programming voltage

Fast access time: 45/55/70/90/100/120/150 ns

Totally static operation

Completely TTL compatible

VCC

A14

A13

A11

A10

MX27C256

PLCC

the

All programming

system, existing

MX27C256

A10

GND

A11

A10

•

EPROM programmers may be used. The MX27C256

supports intelligent fast programming algorithm which

can result in programming time of less than ten seconds.

This EPROM is packaged in industry standard 28 pin

dual-in-line packages, 32 lead PLCC, and 28 lead

TSOP(I) packages.

PIN DESCRIPTION

BLOCK DIAGRAM

ADDRESS

- 28 pin plastic DIP

- 32 pin PLCC

- 28 pin 8 x 13.4mm TSOP(I)

Operating current: 30mA

Standby current: 100uA

INPUTS

A0~A14

Package type:

SYMBOL

A0~A14

Q0~Q7

VPP

VCC

GND

VCC

256K-BIT [32K x 8] CMOS EPROM

Y-DECODER

VPP

X-DECODER

CONTROL

MX27C256

LOGIC

PIN NAME

Address Input

Data Input/Output

Chip Enable Input

Output Enable Input

Program Supply Voltage

No Internal Connection

Power Supply Pin (+5V)

Ground Pin

Y-SELECT

MAXTRIX

BUFFERS

256K BIT

OUTPUT

CELL

REV. 5.3, SEP. 19, 2001

Q0~Q7

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