Datasheet > 24LCS52/ST

24LCS52/ST

更新时间： 2024-11-20 23:19:15

品牌	Logo	应用领域
其他 - ETC		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
13页	196K
描述
SERIAL EEPROM\|256X8\|CMOS\|TSSOP\|8PIN\|PLASTIC

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中文翻译

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数据手册

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24LCS52/ST 数据手册

24LCS52

2K 2.2V I²C^™Serial EEPROM with Software Write Protect

FEATURES

PACKAGE TYPES

PDIP/SOIC

• Single supply with operation down to 2.2V

• Low power CMOS technology

- 1 mA active current typical

Vcc

- 10 µA standby current typical at 5.5V

- 5 µA standby current typical at 3.0V

• Organized as a single block of 256 bytes (256 x 8)

• Software write protection for lower 128 bytes

• Hardware write protection for entire array

• 2-wire serial interface bus, I²C™ compatible

• 100kHz (2.2V) and 400kHz (5V) compatibility

• Self-timed write cycle (including auto-erase)

• Page-write buffer for up to 16 bytes

• 3.5 ms typical write cycle time for page-write

• 1,000,000 erase/write cycles guaranteed

• ESD protection >4,000V

SCL

Vss

SDA

TSSOP

• Data retention > 200 years

• 8-pin DIP, SOIC or TSSOP packages

• Available for extended temperature ranges

Vcc

SCL

SDA

- Commercial (C):

- Industrial (I):

0°C to +70°C

-40°C to +85°C

Vss

DESCRIPTION

The Microchip Technology Inc. 24LCS52 is a 2K bit

Electrically Erasable PROM capable of operation

across a broad voltage range (2.2V to 5.5V). This

device has a software write protect feature for the lower

half of the array, as well as an external pin that can be

used to write protect the entire array. The software write

protect feature is enabled by sending the device a spe-

cial command, and once this feature has been enabled,

it cannot be reversed. In addition to the software pro-

tect feature, there is a WP pin that can be used to write

protect the entire array, regardless of whether the soft-

ware write protect register has been written or not. This

allows the system designer to protect none, half or all

of the array, depending on the application. The device

is organized as a single block of 256 x 8-bit memory

with a 2-wire serial interface. Low voltage design per-

mits operation down to 2.2 volts with typical standby

and active currents of only 5 µA and 1 mA respectively.

The device has a page-write capability for up to 16

bytes of data. The device is available in the standard 8-

pin DIP, 8-pin SOIC and TSSOP packages.

BLOCK DIAGRAM

A0 A1 A2

HV Generator

Software write

protected area

(00h-7Fh)

I/O

Control

Logic

Memory

Control

Logic

XDEC

Standard

Array

SDA

SCL

Vcc

Vss

Write Protect

Circuitry

YDEC

SENSE AMP

R/W CONTROL

I²C is a trademark of Philips Corporation.

1999 Microchip Technology Inc.

DS21166E-page 1

12 3 4 5 6 7...13

中文翻译

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与24LCS52/ST相关器件

型号	品牌	获取价格	描述	数据表
24LCS52-/ST	MICROCHIP	获取价格	2K 2.2V I2C⑩ Serial EEPROM with Software Writ
24LCS52/STA21	MICROCHIP	获取价格	256 X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8, TSSOP-8
24LCS52/STA22	MICROCHIP	获取价格	256 X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8, TSSOP-8
24LCS52-/STG	MICROCHIP	获取价格	2K 2.2V I2C⑩ Serial EEPROM with Software Writ
24LCS52/STRVA	MICROCHIP	获取价格	256 X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8, TSSOP-8
24LCS52-I/MC	MICROCHIP	获取价格	2K 2.2V I2C⑩ Serial EEPROM with Software Writ
24LCS52-I/MCG	MICROCHIP	获取价格	2K 2.2V I2C⑩ Serial EEPROM with Software Writ
24LCS52-I/MS	MICROCHIP	获取价格	2K 2.2V I2C⑩ Serial EEPROM with Software Writ
24LCS52-I/MSG	MICROCHIP	获取价格	2K 2.2V I2C⑩ Serial EEPROM with Software Writ
24LCS52I/P	MICROCHIP	获取价格	256 X 8 I2C/2-WIRE SERIAL EEPROM, PDIP8, 0.300 INCH, LEAD FREE, PLASTIC, MS-001, DIP-8

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