Datasheet

1998-2019 Microchip Technology Inc. DS20001203W-page 9
24AA256/24LC256/24FC256
FIGURE 4-1: DATA TRANSFER SEQUENCE ON THE SERIAL BUS
FIGURE 4-2: ACKNOWLEDGE TIMING
Address or
Acknowledge
Valid
Data
Allowed
to Change
Stop
Condition
Start
Condition
SCL
SDA
(A) (B) (D) (D) (C) (A)
SCL
987654321123
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.
Receiver must release the SDA line
at this point so the Transmitter can
continue sending data.
Data from transmitter
SDA
Acknowledge
Bit
Data from transmitter