AT24C01A_07 Datasheet, PDF (6/20 Pages) ATMEL Corporation – Two-wire Automotive Temperature Serial EEPROM

MEMORY RESET: After an interruption in protocol, power loss or system reset, any
two-wire part can be reset by following these steps:
1. Clock up to 9 cycles.
2. Look for SDA high in each cycle while SCL is high.
3. Create a start condition.
Bus Timing
Figure 2. SCL: Serial Clock, SDA: Serial Data I/O
Write Cycle Timing
Figure 3. SCL: Serial Clock, SDA: Serial Data I/O
SCL
SDA
8th BIT
WORDn
ACK
STOP
CONDITION
twr⁽¹⁾
START
CONDITION
Note: 1. The write cycle time t_WR is the time from a valid stop condition of a write sequence to the end of the internal clear/write cycle.
6 AT24C01A/02/04/08A/16A
5092C–SEEPR–2/07