Datasheet > FM24C256FLEM8

FM24C256FLEM8

更新时间： 2024-01-20 05:37:07

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	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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FM24C256FLEM8 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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FM24C256FLEM8X	ETC	获取价格	I2C Serial EEPROM
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FM24C256FLN	ETC	获取价格	I2C Serial EEPROM
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FM24C256FLVM8X	ETC	获取价格	I2C Serial EEPROM
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