isl12032 Intersil Corporation, isl12032 Datasheet - Page 7

• Manufacturer Part Number: isl12032
• Description: Low Power Rtc With Battery Backed Sram And 50/60 Cycle Ac Input And Xtal Back-up
• Manufacturer: Intersil Corporation

SDA vs SCL Timing
Symbol Table
(OUTPUT TIMING)
FIGURE 1. STANDARD OUTPUT LOAD FOR TESTING THE
(INPUT TIMING)
WAVEFORM
EQUIVALENT AC OUTPUT LOAD CIRCUIT FOR V
IRQ/F
SDA
SCL
SDA
DEVICE WITH V
AND
SDA
OUT
t
SU:STA
INPUTS
Must be steady
May change
from LOW
to HIGH
May change
from HIGH
to LOW
Don’t Care:
Changes Allowed
N/A
5.0V
DD
7
t
HD:STA
= 5.0V
100pF
1533Ω
t
F
t
SU:DAT
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
FOR V
AND I
OL
OL
DD
= 0.4V
= 3mA
= 5V
t
HIGH
ISL12032
t
LOW
t
HD:DAT
t
R
t
AA
t
DH
t
BUF
t
SU:STO
December 14, 2007
FN6618.0