CAT34C02 Datasheet, PDF (6/15 Pages) Catalyst Semiconductor – 2-Kb I2C EEPROM for DDR2 DIMM Serial Presence Detect

CAT34C02
S
T
BUS ACTIVITY: ^A
MASTER ^R
T
SLAVE
ADDRESS
BYTE
ADDRESS
S
T
DATA
O
P
SDA LINE S
P
A
A
A
C
C
C
K
K
K
Figure 6. Byte Write Timing
SCL
SDA
8th Bit
Byte n
ACK
t_WR
STOP
CONDITION
Figure 7. Write Cycle Timing
START
CONDITION
ADDRESS
S
T
BUS ACTIVITY: ^A
SLAVE
MASTER ^R ADDRESS
T
SDA LINE S
BYTE
ADDRESS (n)
DATA n
DATA n+1
A
A
A
A
C
C
C
C
K
K
K
K
NOTE: IN THIS EXAMPLE n = XXXX 0000(B); X = 1 or 0
Figure 8. Page Write Timing
S
T
DATA n+P ^O
P
P
A
C
K
BYTE ADDRESS
1
SCL
8
9
DATA
1
8
SDA
A₇
A₀
D₇
D₀
t_SU:WP
WP
t_HD:WP
Figure 9. WP Timing
http://onsemi.com
6