Datasheet > FM24C64EM8

FM24C64EM8

更新时间： 2024-11-13 23:52:19

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	102K
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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FM24C64EM8 数据手册

December 2001

FM24C64 – 64K-Bit Standard 2-Wire Bus

Interface Serial EEPROM

General Description

Features

FM24C64 is a 64Kbit CMOS non-volatile serial EEPROM orga-

nized as 8K x 8 bit memory. This device confirms to Extended IIC

2-wire protocol that allows accessing of memory in excess of

16Kbit on an IIC bus. This serial communication protocol uses a

Clock signal (SCL) and a Data signal (SDA) to synchronously

clock data between a master (e.g. a microcontroller) and a slave

(EEPROM). FM24C64 is designed to minimize pin count and

simplify PC board layout requirements.

I Extended operating voltage: 2.5V to 5.5V

I Up to 400 KHz clock frequency at 2.5V to 5.5V

I Low power consumption

—0.5mA active current typical

—10µA standby current typical

—1µA standby current typical (L version)

—0.1µA standby current typical (LZ version)

I Schmitt trigger inputs

FM24C64 offers hardware write protection where by the entire

I 32 byte page write mode

memoryarraycanbewriteprotectedbyconnectingWPpintoV_CC

ThissectionofmemorythenbecomesunalterableuntiltheWPpin

is switched to V_SS

I Self timed write cycle (6ms typical)

I Hardware Write Protection for the entire array

I Endurance: up to 100K data changes

I Data Retention: Greater than 40 years

I Packages: 8-Pin DIP, 8-Pin SO and 8-Pin TSSOP

“LZ” and “L” versions of FM24C64 offer very low standby current

making them suitable for low power applications. This device is

offered in SO, TSSOP and DIP packages.

Fairchild EEPROMs are designed and tested for applications

requiringhighendurance, highreliabilityandlowpowerconsump-

tion.

I Temperature range

—Commercial: 0°C to +70°C

—Industrial (E): -40°C to +85°C

—Automotive (V): -40°C to +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

FM24C64 Rev. C

www.fairchildsemi.com

12 3 4 5 6 7...13

中文翻译

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