24AA512 Datasheet, PDF (7/26 Pages) Microchip Technology – 512K I2C CMOS Serial EEPROM

24AA512/24LC512/24FC512
FIGURE 4-1:
(A) (B)
SCL
DATA TRANSFER SEQUENCE ON THE SERIAL BUS
(D)
(D)
(C) (A)
SDA
Start
Condition
Address or
Acknowledge
Valid
Data
Allowed
to Change
FIGURE 4-2:
ACKNOWLEDGE TIMING
Acknowledge
Bit
SCL
1
2
3
4
5
6
7
8
9
1
2
3
Stop
Condition
SDA
Data from transmitter
Transmitter must release the SDA line at this point
allowing the Receiver to pull the SDA line low to
acknowledge the previous eight bits of data.
Data from transmitter
Receiver must release the SDA line
at this point so the Transmitter can
continue sending data.
 2004 Microchip Technology Inc.
DS21754E-page 7