24C21 データシートの表示（PDF） - Atmel Corporation

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24C21

2-Wire Serial EEPROM 1K (128 x 8)

Atmel Corporation 

Bus Timing

SCL: Serial Clock, SDA: Serial Data I/O

AT24C21

Write Cycle Timing

SCL: Serial Clock, SDA: Serial Data I/O

SCL

SDA

8th BIT ACK

WORD n

STOP

CONDITION

tWR(1)

START

CONDITION

Note: 1. The write cycle time tWR is the time from a valid stop condition of a write sequence to the end of the internal clear/write

cycle.

7

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