Datasheet > 存储 > EEPROM> 24AA256-I/ST

24AA256-I/ST

更新时间： 2024-09-13 04:25:19

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
26页	465K
描述
256K I2C CMOS Serial EEPROM

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24AA256-I/ST 数据手册

24AA256/24LC256/24FC256

256K I²C^™CMOS Serial EEPROM

Device Selection Table

Description:

Part

Number

VCC

Range

Max. Clock

Frequency

Temp.

Ranges

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 (1.8V 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 and DFN packages.

24AA256

24LC256

24FC256

1.8-5.5V

2.5-5.5V

1.8-5.5V

400 kHz⁽¹⁾

400 kHz

1 MHz⁽²⁾

I, E

Note 1: 100 kHz for VCC < 2.5V.

2: 400 kHz for VCC < 2.5V.

Features:

• Low-power CMOS technology:

- Maximum write current 3 mA at 5.5V

- Maximum read current 400 μA at 5.5V

- Standby current 100 nA, typical at 5.5V

Block Diagram

• 2-wire serial interface bus, I²C^™compatible

• Cascadable for up to eight devices

• Self-timed erase/write cycle

A0 A1A2WP

HV Generator

I/O

Control

Logic

• 64-byte Page Write mode available

• 5 ms max. write cycle time

Memory

Control

Logic

EEPROM

Array

XDEC

• Hardware write-protect for entire array

• Output slope control to eliminate ground bounce

• Schmitt Trigger inputs for noise suppression

• 1,000,000 erase/write cycles

Page Latches

I/O

SCL

YDEC

SDA

• Electrostatic discharge protection > 4000V

• Data retention > 200 years

VCC

VSS

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

packages, 14-lead TSSOP package

Sense Amp.

R/W Control

• Pb-free finishes available

• Temperature ranges:

- Industrial (I):

- Automotive (E):

-40°C to +85°C

-40°C to +125°C

Package Types

PDIP/SOIC

TSSOP/MSOP*

DFN

VCC

SCL

SDA

SCL

SDA

VSS

SDA

VSS

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

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

DS21203N-page 1

12 3 4 5 6 7...26

中文翻译

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24AA256-I/ST 替代型号

型号	品牌	替代类型	描述	数据表
24AA256UID-I/P	MICROCHIP	完全替代	256K I2Câ¢ Serial EEPROM
24AA256UIDT-I/SN	MICROCHIP	完全替代	I2C/2-WIRE SERIAL EEPROM
24AA256UID-I/ST	MICROCHIP	完全替代	I2C/2-WIRE SERIAL EEPROM

与24AA256-I/ST相关器件

型号	品牌	获取价格	描述	数据表
24AA256I/ST14	ETC	获取价格	SERIAL EEPROM\|32KX8\|CMOS\|TSSOP\|14PIN\|PLASTIC
24AA256-I/ST14G	MICROCHIP	获取价格	32K X 8 I2C/2-WIRE SERIAL EEPROM, PDSO14, 4.40 MM, LEAD FREE, PLASTIC, MO-153, TSSOP-14
24AA256-I/STG	MICROCHIP	获取价格	256K I2C CMOS Serial EEPROM
24AA256-I/WF16K	MICROCHIP	获取价格	EEPROM, 32KX8, Serial, CMOS
24AA256ICS16K	MICROCHIP	获取价格	256K IC CMOS Serial EEPROM
24AA256IMF	MICROCHIP	获取价格	256K IC CMOS Serial EEPROM
24AA256IMNY	MICROCHIP	获取价格	256K IC CMOS Serial EEPROM
24AA256IMS	MICROCHIP	获取价格	256K IC CMOS Serial EEPROM
24AA256IP	MICROCHIP	获取价格	256K I 2 C ⑩ CMOS Serial EEPROM
24AA256-IP	ARTSCHIP	获取价格	I2C CMOS Serial EEPROM

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