N24C64 Datasheet, PDF (7/11 Pages) ON Semiconductor – 64 Kb I2C CMOS Serial EEPROM

N24C64
BUS ACTIVITY: ^S
T
A
MASTER ^R
T
SLAVE
ADDRESS
ADDRESS
BYTE
a₁₅ − a₈
ADDRESS
BYTE
a₇ − a₀
DATA
BYTE
S
T
O
d₇ − d₀
P
S
** * *
P
SLAVE
A
A
A
A
C
C
C
C
K
K
K
K
*a₁₅ − a₁₃ are don’t care bits.
Figure 6. Byte Write Sequence
SCL
SDA
8th Bit
Byte n
ACK
t_WR
STOP
CONDITION
Figure 7. Write Cycle Timing
START
CONDITION
ADDRESS
BUS
ACTIVITY: S
T
A
MASTER R
T
SLAVE
ADDRESS
ADDRESS
BYTE
ADDRESS
BYTE
DATA
BYTE
n
S
SLAVE
A
C
K
n = 1; P ≤ 31
A
A
A
C
C
C
K
K
K
Figure 8. Page Write Sequence
DATA
BYTE
n+1
AA
CC
KK
DATA
S
BYTE
T
n+P
O
P
P
A
C
K
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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