isl12022m Intersil Corporation, isl12022m Datasheet - Page 6

• Manufacturer Part Number: isl12022m
• Description: Real Time Clock With Embedded Crystal, ??5ppm Accuracy
• Manufacturer: Intersil Corporation

SDA vs SCL Timing
(OUTPUT TIMING)
FIGURE 1. STANDARD OUTPUT LOAD FOR TESTING THE
(INPUT TIMING)
EQUIVALENT AC OUTPUT LOAD CIRCUIT FOR V
IRQ/F
SDA
SCL
SDA
DEVICE WITH V
AND
SDA
OUT
t
SU:STA
5.0V
DD
6
t
HD:STA
= 5.0V
100pF
1533Ω
t
F
t
SU:DAT
FOR V
AND I
OL
OL
DD
= 0.4V
= 3mA
= 5V
t
HIGH
ISL12022M
t
LOW
t
HD:DAT
Symbol Table
WAVEFORM
t
R
t
AA
t
DH
INPUTS
Must be steady
May change
from LOW
to HIGH
May change
from HIGH
to LOW
Don’t Care:
Changes Allowed
N/A
t
BUF
t
SU:STO
to HIGH
Will change
from HIGH
OUTPUTS
Will be steady
Will change
from LOW
to LOW
Changing:
State Not Known
Center Line is
High Impedance
December 18, 2008
FN6668.4