CAT24C64 Datasheet, PDF (7/18 Pages) Catalyst Semiconductor – 64-Kb I2C CMOS Serial EEPROM

CAT24C64
Figure 5. Byte Write Sequence
BUS ACTIVITY: ^S
T
A _SLAVE
MASTER ^R ADDRESS
T
ADDRESS
BYTE
a15 ÷ a8
DATA
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. Write Cycle Timing
SCL
SDA
8th Bit
Byte n
ACK
tWR
STOP
CONDITION
START
CONDITION
ADDRESS
Figure 7. Page Write Sequence
BUS ACTIVITY: S
T
A
MASTER R
T
SLAVE
ADDRESS
ADDRESS
BYTE
ADDRESS
BYTE
S
SLAVE
A
A
A
C
C
C
K
K
K
DATA
BYTE
n
A
C
K
DATA
BYTE
n+1
AA
CC
KK
DATA
S
BYTE
T
n+P
O
P
P
A
C
K
Figure 8. WP Timing
ADDRESS
BYTE
1
SCL
8
9
1
SDA
a7
WP
© 2007 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
a0
d7
tSU:WP
tHD:WP
7
DATA
BYTE
8
d0
Doc No. 1102, Rev. H