CAT24C256YI-G Datasheet, PDF (9/18 Pages) ON Semiconductor – 256 kb I2C CMOS Serial EEPROM

CAT24C256
S
T
BUS ACTIVITY: A
MASTER
R
T
SLAVE
ADDRESS
BYTE ADDRESS
A₁₅ − A₈
A₇ − A₀
S
T
DATA
O
P
SDA LINE S
*
P
A
A
A
A
C
C
C
C
K
K
K
K
* = Don’t Care Bit
Figure 6. Byte Write Timing
SCL
SDA
8th Bit
Byte n
ACK
t_WR
STOP
CONDITION
Figure 7. Write Cycle Timing
START
CONDITION
ADDRESS
BUS
S
T
ACTIVITY: _A
MASTER R
T
SLAVE
ADDRESS
BYTE ADDRESS
A₁₅ − A₈
A₇ − A₀
SDA LINE S
*
A
A
A
C
C
C
* = Don’t Care Bit
K
K
K
DATA
DATA n
S
T
DATA n+63
O
P
P
A
AA
A
C
CC
C
K
KK
K
Figure 8. Page Write Timing
ADDRESS
BYTE
DATA
BYTE
1
8
9
1
8
SCL
SDA
a₇
a₀
d₇
d₀
t_SU:WP
WP
t_HD:WP
Figure 9. WP Timing
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