Datasheet > 存储 > EEPROM> 25LC080

25LC080

更新时间： 2024-10-25 22:11:07

品牌	Logo	应用领域
美国微芯 - MICROCHIP		可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数	文件大小	规格书
12页	89K
描述
8K/16K 2.5V SPI O Bus Serial EEPROM

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中文翻译

获取价格

数据手册

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25LC080 数据手册

25LC080/160

8K/16K 2.5V SPI Bus Serial EEPROM

FEATURES

PACKAGE TYPES

• SPI modes 0,0 and 1,1

• 3 MHz Clock Rate

• Single supply with programming operation down

to 2.5V

PDIP

VSS

VCC

• Low Power CMOS Technology

- Max Write Current: 5 mA

- Read Current: 1.0 mA

- Standby Current: 1 µA typical

• Organization

HOLD

SCK

- 1024 x 8 for 25LC080

- 2048 x 8 for 25LC160

• 16 Byte Page

• Sequential Read

SOIC

• Self-timed ERASE and WRITE Cycles

• Block Write Protection

- Protect none, 1/4, 1/2, or all of Array

• Built-in Write Protection

- Power On/Off Data Protection Circuitry

- Write Latch

V^CC

VSS

HOLD

SCK

- Write Protect Pin

• High Reliability

- Endurance: 10M cycles (guaranteed)

- Data Retention: >200 years

- ESD protection: >4000 V

• 8-pin PDIP/SOIC Packages

• Temperature ranges supported

BLOCK DIAGRAM

Status

HV Generator

- Commercial (C):

- Industrial (I):

0°C to +70°C

-40°C to +85°C

DESCRIPTION

The Microchip Technology Inc. 25LC080/160 are 8K

and 16K bit Serial Electrically Erasable PROMs. The

memory is accessed via a simple Serial Peripheral

Interface (SPI) compatible serial bus. The bus signals

required are a clock input (SCK) plus separate data in

(SI) and data out (SO) lines. Access to the device is

controlled through a chip select (CS) input, allowing any

number of devices to share the same bus.

EEPROM

Array

Memory

Control

Logic

I/O Control

Logic

Dec

Page Latches

Y Decoder

There are two other inputs that provide the end user

with additional ﬂexibility. Communication to the device

can be paused via the hold pin (HOLD). While the

device is paused, transitions on its inputs will be

ignored, with the exception of chip select, allowing the

host to service higher priority interrupts. Also, write

operations to the Status Register can be disabled via

the write protect pin (WP).

SCK

HOLD

Sense Amp.

R/W Control

Vcc

Vss

SPI is a trademark of Motorola.

1996 Microchip Technology Inc.

Preliminary

DS21145D-page 1

This document was created with FrameMaker 4 0 4

12 3 4 5 6 7...12

中文翻译

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