Datasheet > W27E020

W27E020

更新时间： 2024-11-21 22:11:15

品牌	Logo	应用领域
华邦 - WINBOND		可编程只读存储器电动程控只读存储器
页数	文件大小	规格书
14页	161K
描述
256K X 8 ELECTRICALLY ERASABLE EPROM

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中文翻译

获取价格

数据手册

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W27E020 数据手册

Preliminary W27E020

256K ´ 8 ELECTRICALLY ERASABLE EPROM

GENERAL DESCRIPTION

The W27E020 is a high speed, low power Electrically Erasable and Programmable Read Only

Memory organized as 262144 ´ 8 bits that operates on a single 5 volt power supply. The W27E020

provides an electrical chip erase function.

FEATURES

· High speed access time:

70/90/120 nS (max.)

· +14V erase/+12V programming voltage

· Fully static operation

· Read operating current: 30 mA (max.)

· All inputs and outputs directly TTL/CMOS

· Erase/Programming operating current:

compatible

30 mA (max.)

· Three-state outputs

· Standby current: 1 mA (max.)

· Single 5V power supply

· Available packages: 32-pin 600 mil DIP and

PLCC

PIN CONFIGURATIONS

BLOCK DIAGRAM

PGM

Vcc

Vpp

A16

A15

A12

OUTPUT

BUFFER

CONTROL

PGM

A17

A14

A13

CORE

A17

A11

DECODER

ARRAY

A10

VCC

GND

V_PP

PIN DESCRIPTION

SYMBOL

DESCRIPTION

Address Inputs

Data Inputs/Outputs

A0- A17

Q0- Q7

A14

A13

A11

Chip Enable

32-pin PLCC

A10

Output Enable

Program Enable

PGM

VPP

Program/Erase Supply Voltage

Power Supply

VCC

GND

Ground

Publication Release Date: December 1997

Revision A1

- 1 -

12 3 4 5 6 7...14

中文翻译

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与W27E020相关器件

型号	品牌	获取价格	描述	数据表
W27E020-12	WINBOND	获取价格	256K X 8 ELECTRICALLY ERASABLE EPROM
W27E020-70	WINBOND	获取价格	256K X 8 ELECTRICALLY ERASABLE EPROM
W27E020-90	WINBOND	获取价格	256K X 8 ELECTRICALLY ERASABLE EPROM
W27E020P-12	WINBOND	获取价格	256K X 8 ELECTRICALLY ERASABLE EPROM
W27E020P-70	WINBOND	获取价格	256K X 8 ELECTRICALLY ERASABLE EPROM
W27E020P-90	WINBOND	获取价格	256K X 8 ELECTRICALLY ERASABLE EPROM
W27E02-70	WINBOND	获取价格	EEPROM, 256KX8, 70ns, Parallel, CMOS, PDIP32, 0.600 INCH, PLASTIC, DIP-32
W27E02-90	WINBOND	获取价格	EEPROM, 256KX8, 90ns, Parallel, CMOS, PDIP32, 0.600 INCH, PLASTIC, DIP-32
W27E02P-70	WINBOND	获取价格	EEPROM, 256KX8, 70ns, Parallel, CMOS, PQCC32, PLASTIC, LCC-32
W27E02Q-70	WINBOND	获取价格	EEPROM, 256KX8, 70ns, Parallel, CMOS, PDSO32, 8 X 14 MM, STSOP-32