ACT8937A
Rev 1, 22-Oct-12
I
2
C INTERFACE ELECTRICAL CHARACTERISTICS
(V
VSYS
= 3.6V, T
A
= 25°C, unless otherwise specified.)
PARAMETER
SCL, SDA Input Low
SCL, SDA Input High
SDA Leakage Current
SCL Leakage Current
SDA Output Low
SCL Clock Period, t
SCL
SDA Data Setup Time, t
SU
SDA Data Hold Time, t
HD
Start Setup Time, t
ST
Stop Setup Time, t
SP
I
OL
= 5mA
TEST CONDITIONS
V
VSYS
= 3.1V to 5.5V, T
A
= -40ºC to 85ºC
V
VSYS
= 3.1V to 5.5V, T
A
= -40ºC to 85ºC
MIN
TYP
MAX
0.35
UNIT
V
V
1.55
1
2
5
0.35
1.5
100
300
µA
µA
V
µs
ns
ns
ns
ns
For Start Condition
For Stop Condition
100
100
Figure 1:
I
2
C Compatible Serial Bus Timing
t
SCL
SCL
t
ST
SDA
t
HD
t
SU
t
SP
Start
condition
Stop
condition
Innovative Power
TM
ActivePMU
TM
and
ActivePath
TM
are trademarks of Active-Semi.
I
2
C
TM
is a trademark of NXP.
-8-
www.active-semi.com
Copyright © 2012 Active-Semi, Inc.