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24AA256EST

更新时间： 2024-11-24 12:31:43

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
42页	1254K
描述
256K IC CMOS Serial EEPROM

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中文翻译

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24AA256EST 数据手册

24AA256/24LC256/24FC256

256K I²C™ CMOS Serial EEPROM

• Temperature Ranges:

Device Selection Table

- Industrial (I):

- Automotive (E):

-40C to +85C

-40C to +125C

Part

VCC

Max. Clock

Frequency

Temp.

Ranges

Number

Range

Description:

24AA256

24LC256

24FC256

1.7-5.5V

2.5-5.5V

1.7-5.5V

400 kHz⁽¹⁾

400 kHz

1 MHz⁽²⁾

I, E

The Microchip Technology Inc. 24AA256/24LC256/

24FC256 (24XX256*) is a 32K x 8 (256 Kbit) Serial

Electrically Erasable PROM, capable of operation

across a broad voltage range (1.7V to 5.5V). It has

been developed for advanced, low-power applications

such as personal communications or data acquisition.

This device also has a page write capability of up to 64

bytes of data. This device is capable of both random

and sequential reads up to the 256K boundary.

Functional address lines allow up to eight devices on

the same bus, for up to 2 Mbit address space. This

device is available in the standard 8-pin plastic DIP,

SOIC, TSSOP, MSOP, DFN and TDFN packages. The

24AA256 is also available in the 8-lead Chip Scale

package.

Note 1: 100 kHz for VCC < 2.5V.

2: 400 kHz for VCC < 2.5V.

Features:

• Single Supply with Operation Down to 1.7V for

24AA256 and 24FC256 Devices, 2.5V for

24LC256 Devices

• Low-Power CMOS Technology:

- Active current 400 uA, typical

- Standby current 100 nA, typical

• 2-Wire Serial Interface, I²C^™Compatible

• Cascadable up to Eight Devices

• Schmitt Trigger Inputs for Noise Suppression

• Output Slope Control to Eliminate Ground Bounce

• 100 kHz and 400 kHz Clock Compatibility

• Page Write Time 5 ms Max.

Block Diagram

A0 A1A2WP

HV Generator

I/O

Control

Logic

• Self-Timed Erase/Write Cycle

Memory

Control

Logic

EEPROM

Array

XDEC

• 64-Byte Page Write Buffer

• Hardware Write-Protect

Page Latches

• ESD Protection >4000V

I/O

• More than One Million Erase/Write Cycles

• Data Retention >200 years

SCL

YDEC

SDA

• Factory Programming Available

• Packages Include 8-lead PDIP, SOIC, DFN,

TDFN, TSSOP and MSOP

VCC

Sense Amp.

R/W Control

VSS

• Pb-Free and RoHS Compliant

Package Types

TSSOP/MSOP⁽¹⁾

DFN/TDFN

CS (Chip Scale)⁽²⁾

VCC A1 A0

PDIP/SOIC

VCC

SCL

SDA

SCL

SDA

SCL

SDA

SDA SCL VSS

VSS

(TOP DOWN VIEW,

BALLS NOT VISIBLE)

Note 1: * Pins A0 and A1 are no connects for the MSOP package only.

Note 2: Available in I-temp, “AA” only.

*24XX256 is used in this document as a generic part number for the 24AA256/24LC256/24FC256 devices.

 1998-2013 Microchip Technology Inc.

DS20001203T-page 1

12 3 4 5 6 7...42

中文翻译

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与24AA256EST相关器件

型号	品牌	获取价格	描述	数据表
24AA256-EST	MICROCHIP	获取价格	I2C⑩ Serial EEPROM Family Data Sheet
24AA256-I	MICROCHIP	获取价格	256K I2C CMOS Serial EEPROM
24AA256-I/MC	MICROCHIP	获取价格	I2C⑩ Serial EEPROM Family Data Sheet
24AA256I/MF	MICROCHIP	获取价格	256K I2C CMOS Serial EEPROM
24AA256-I/MF	MICROCHIP	获取价格	256K I2C CMOS Serial EEPROM
24AA256-I/MFG	MICROCHIP	获取价格	256K I2C CMOS Serial EEPROM
24AA256-I/MFRVA	MICROCHIP	获取价格	32K X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8, 6 X 5 MM, ROHS COMPLIANT, PLASTIC, DFN-8
24AA256I/MS	MICROCHIP	获取价格	256K I2C CMOS Serial EEPROM
24AA256-I/MS	MICROCHIP	获取价格	256K I2C CMOS Serial EEPROM
24AA256-I/MSG	MICROCHIP	获取价格	256K I2C CMOS Serial EEPROM

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