Datasheet > 存储 > EEPROM> 24AA52-/ST

24AA52-/ST

更新时间： 2024-11-04 02:55:35

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
28页	439K
描述
2K 2.2V I2C⑩ Serial EEPROM with Software Write-Protect

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中文翻译

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数据手册

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24AA52-/ST 数据手册

24AA52/24LCS52

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

Features:

Description:

• Single supply with operation down to 1.8V

• Low-power CMOS technology:

The Microchip Technology Inc. 24AA52/24LCS52

(24XXX52*) is a 2 Kbit Electrically Erasable PROM

capable of operation across a broad voltage range

(1.8V 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 special command. Once this

feature has been enabled, it cannot be reversed. In

addition to the software protect feature, there is a WP

pin that can be used to write-protect the entire array,

regardless of whether the software write-protect

designer to protect none, half, or all of the array,

depending on the application. The device is organized

as one block of 256 x 8-bit memory with a 2-wire serial

interface. Low-voltage design permits operation down

to 1.8V, with standby and active currents of only 1 μA

and 1 mA, respectively. The 24XXX52 also has a page

write capability for up to 16 bytes of data. The 24XXX52

is available in the standard 8-pin PDIP, surface mount

SOIC, TSSOP, MSOP and DFN packages.

- 1 mA active current, typical

- 1 μA standby current, typical (I-temp)

• Organized as 1 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

• Schmitt Trigger inputs for noise suppression

• Output slope control to eliminate ground bounce

• 100 kHz (24AA52) and 400 kHz (24LCS52)

compatibility

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

• Page write buffer for up to 16 bytes

• ESD protection > 4,000V

• 1,000,000 erase/write cycles

• Data retention > 200 years

• 8-lead PDIP, SOIC, TSSOP, MSOP and DFN

packages

• Pb-free finishes available

Block Diagram

• Available for extended temperature ranges:

- Industrial (I): -40°C to +85°C

A0 A1 A2

HV Generator

Device Selection Table

Software write

protected area

(00h-7Fh)

I/O

Control

Logic

Memory

Control

Logic

Part

VCC

Max Clock

Frequency

Temp

Ranges

XDEC

Number

Range

400 kHz⁽¹⁾

400 kHz

Standard

Array

24AA52

1.8-5.5

2.2-5.5

SDA SCL

24LCS52

Note 1: 100 kHz for VCC <2.2V

VCC

VSS

Write-Protect

Circuitry

YDEC

Package Types

PDIP/SOIC/TSSOP/MSOP/DFN

Sense Amp.

R/W Control

VCC

SCL

SDA

SCL

SDA

VSS

*24XXX52 is used in this document as a generic part number

for the 24AA52/24LCS52 devices.

DS21166J-page 1

12 3 4 5 6 7...28

中文翻译

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与24AA52-/ST相关器件

型号	品牌	获取价格	描述	数据表
24AA52-/STG	MICROCHIP	获取价格	2K 2.2V I2C⑩ Serial EEPROM with Software Writ
24AA52_05	MICROCHIP	获取价格	2K 2.2V I2C⑩ Serial EEPROM with Software Writ
24AA52-I/MC	MICROCHIP	获取价格	2K 2.2V I2C⑩ Serial EEPROM with Software Writ
24AA52-I/MCG	MICROCHIP	获取价格	2K 2.2V I2C⑩ Serial EEPROM with Software Writ
24AA52-I/MS	MICROCHIP	获取价格	2K 2.2V I2C⑩ Serial EEPROM with Software Writ
24AA52-I/MSG	MICROCHIP	获取价格	2K 2.2V I2C⑩ Serial EEPROM with Software Writ
24AA52-I/P	MICROCHIP	获取价格	2K 2.2V I2C⑩ Serial EEPROM with Software Writ
24AA52-I/PG	MICROCHIP	获取价格	2K 2.2V I2C⑩ Serial EEPROM with Software Writ
24AA52-I/PRVA	MICROCHIP	获取价格	256 X 8 I2C/2-WIRE SERIAL EEPROM, PDIP8, 0.300 INCH, LEAD FREE, PLASTIC, MS-001, DIP-8
24AA52-I/SN	MICROCHIP	获取价格	2K 2.2V I2C⑩ Serial EEPROM with Software Writ

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