EEProm write guideline

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EEProm write guideline

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Here is an example of EEPROM device: 24C32/64

http://www.atmel.com/Images/doc0336.pdf

To complete Write data transaction, program must wait for Write Cycle Time (twr) before generate a new start transaction.

i2c_eeprom_waveform

 

From below table: at Vcc 5V, write cycle time is 10ms. To store data into EEPROM correctly, program must not generate any new Read or Write transaction during 10ms.

i2c_eeprom_table