Datasheet > FM24C256EN

FM24C256EN

更新时间： 2024-02-23 16:21:16

品牌	Logo	应用领域
其他 - ETC		内存集成电路光电二极管双倍数据速率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时钟
页数	文件大小	规格书
13页	98K
描述
I2C Serial EEPROM

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中文翻译

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数据手册

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FM24C256EN 数据手册

November 2001

FM24C256 – 256K-Bit Standard 2-Wire Bus

Interface Serial EEPROM

General Description

Features

FM24C256 is a 256Kbit CMOS non-volatile serial EEPROM

organized as 32K x 8 bit memory. This device confirms to

ExtendedIIC2-wireprotocolthatallowsaccessingofmemoryin

excessof16KbitonanIICbus.Thisserialcommunicationprotocol

usesaClocksignal(SCL)andaDatasignal(SDA)tosynchro-

nouslyclockdatabetweenamaster(e.g.amicrocontroller)anda

slave(EEPROM).FM24C256isdesignedtominimizepincount

andsimplifyPCboardlayoutrequirements.

I Extendedoperatingvoltage:2.7Vto5.5V

I Upto400KHzclockfrequencyat2.7Vto5.5V

I Lowpowerconsumption

—0.5mAactivecurrenttypical

—10µAstandbycurrenttypical

—1µAstandbycurrenttypical(Lversion)

—0.1µAstandbycurrenttypical(LZversion)

I Schmitttriggerinputs

FM24C256offershardwarewriteprotectionwherebytheentire

memoryarraycanbewriteprotectedbyconnectingWPpintoV

I 64bytepagewritemode

I Selftimedwritecycle(6msmax)

I HardwareWriteProtectionfortheentirearray

I Endurance:upto100Kdatachanges

I DataRetention:Greaterthan40years

I Packages:8-PinDIPand8-PinSO

TheentirememorythenbecomesunalterableuntiltheWPpinis

switchedtoV

“LZ”and“L”versionsofFM24C256offerverylowstandbycurrent

makingthemsuitableforlowpowerapplications.Thisdeviceis

offeredinSOandDIPpackages.

Fairchild EEPROMs are designed and tested for applications

requiringhighendurance,highreliabilityandlowpowerconsump-

tion.

I Temperaturerange

—Commercial:0 °Cto+70°C

—Industrial(E):-40 °Cto+85°C

—Automotive(V):-40 °Cto+125°C

Block Diagram

WRITE

LOCKOUT

H.V. GENERATION

TIMING &CONTROL

START

STOP

SDA

LOGIC

CONTROL

LOGIC

SLAVE ADDRESS

COMPARATOR

PROM

ARRAY

XDEC

SCL

WORD

ADDRESS

COUNTER

R/W

YDEC

OUT

DATA REGISTER

FM24C256 Rev. D.1

www.fairchildsemi.com

12 3 4 5 6 7...13

中文翻译

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与FM24C256EN相关器件

型号	品牌	获取价格	描述	数据表
FM24C256EYYX	FAIRCHILD	获取价格	256 KBit 2-Wire Bus Interface Serial EEPROM with Write Protect
FM24C256FEM8	ETC	获取价格	I2C Serial EEPROM
FM24C256FEM8X	ETC	获取价格	I2C Serial EEPROM
FM24C256FEN	ETC	获取价格	I2C Serial EEPROM
FM24C256FEYYX	FAIRCHILD	获取价格	256 KBit 2-Wire Bus Interface Serial EEPROM with Write Protect
FM24C256FLEM8	ETC	获取价格	I2C Serial EEPROM
FM24C256FLEM8X	ETC	获取价格	I2C Serial EEPROM
FM24C256FLEN	FAIRCHILD	获取价格	EEPROM, 32KX8, Serial, CMOS, PDIP8, PLASTIC, DIP-8
FM24C256FLEYYX	FAIRCHILD	获取价格	256 KBit 2-Wire Bus Interface Serial EEPROM with Write Protect
FM24C256FLM8	FAIRCHILD	获取价格	EEPROM, 32KX8, Serial, CMOS, PDSO8, PLASTIC, SOIC-8