FM24C256-S 데이터 시트보기 (PDF) - Unspecified

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FM24C256-S

256 KBit 2-Wire Bus Interface Serial EEPROM with Write Protect

Unspecified 

FM24C256

Diagram Notes

All start and stop timing parameters apply to both read and write cycles. Clock specifications are identical for read

and write cycles. Write timing parameters apply to slave address, word address, and write data bits. Functional

relationships are illustrated in the relevant data sheet sections. These diagrams illustrate the timing parameters only.

Read Bus Timing

SCL

tR

tHIGH

` tF

tLOW

tSP

tSP

SDA

tSU:SDA

tBUF

1/fSCL

tHD:DAT

t SU:DAT

Start

Stop Start

tAA

tDH

Acknowledge

Write Bus Timing

SCL

SDA

tSU:STO

tHD:STA

tHD:DAT

tSU:DAT

Start

Stop Start

t AA

Acknowledge

Data Retention (VDD = 4.5V to 5.5V, +85° C)

Parameter

Data Retention

Min

Units

Notes

45

Years

Rev 3.1

May 2005

Page 10 of 12

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