isl12008 Intersil Corporation, isl12008 Datasheet - Page 5

• Manufacturer Part Number: isl12008
• Description: I2c Real Time Clock With Battery Backup
• Manufacturer: Intersil Corporation

SDA vs SCL Timing
Symbol Table
WAVEFORM
(OUTPUT TIMING)
(INPUT TIMING)
SDA
SCL
SDA
INPUTS
Must be steady
May change
from LOW
to HIGH
May change
from HIGH
to LOW
Don’t Care:
Changes Allowed
N/A
t
SU:STA
5
t
HD:STA
t
OUTPUTS
Will be steady
Will change
from LOW
to HIGH
Will change
from HIGH
to LOW
Changing:
State Not Known
Center Line is
High Impedance
F
t
SU:DAT
t
HIGH
ISL12008
t
LOW
t
HD:DAT
t
R
t
AA
t
DH
t
BUF
t
SU:STO
September 26, 2008
FN6690.1