REMOTE 16-BIT I
2
C AND SMBus, LOW-POWER I/O EXPANDER
WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS
SCPS129E – AUGUST 2005 – REVISED FEBRUARY 2007
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Electrical Characteristics
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
V
IK
V
POR
Input diode clamp voltage
Power-on reset voltage
TEST CONDITIONS
I
I
= –18 mA
V
I
= V
CC
or GND, I
O
= 0
I
OH
= –8 mA
V
OH
P-port high-level output voltage
(2)
I
OH
= –10 mA
SDA
I
OL
P port
(3)
INT
I
I
I
IH
I
IL
SCL, SDA
A2–A0
P port
P port
Operating mode
I
CC
Standby mode
V
I
= GND, I
O
= 0, I/O = inputs,
f
SCL
= 0 kHz
One input at V
CC
– 0.6 V,
Other inputs at V
CC
or GND
V
I
= V
CC
or GND
V
IO
= V
CC
or GND
V
OL
= 0.4 V
V
OL
= 0.5 V
V
OL
= 0.7 V
V
OL
= 0.4 V
V
I
= V
CC
or GND
V
I
= V
CC
V
I
= GND
V
I
= V
CC
or GND, I
O
= 0,
I/O = inputs, f
SCL
= 400 kHz
V
CC
2.3 V to 5.5 V
V
POR
2.3 V
3V
4.75 V
2.3 V
3V
4.75 V
2.3 V to 5.5 V
2.3 V to 5.5 V
2.3 V to 5.5 V
2.3 V to 5.5 V
2.3 V to 5.5 V
2.3 V to 5.5 V
2.3 V to 5.5 V
5.5 V
3.6 V
2.7 V
5.5 V
3.6 V
2.7 V
2.3 V to 5.5 V
2.3 V to 5.5 V
2.3 V to 5.5 V
3
3
3.7
100
30
20
0.5
0.4
0.25
1.8
2.6
4.1
1.7
2.5
4
3
8
10
3
±1
±1
1
–1
200
75
50
1
0.9
0.8
200
7
7
9.5
µA
pF
pF
µA
µA
µA
µA
20
24
mA
V
MIN
–1.2
1.5
1.65
TYP
(1)
MAX
UNIT
V
V
∆I
CC
C
I
C
io
(1)
(2)
(3)
Additional current in standby mode
SCL
SDA
P port
All typical values are at nominal supply voltage (2.5-V, 3.3-V, or 5-V V
CC
) and T
A
= 25°C.
Each I/O must be limited externally to a maximum of 25 mA, and each octal (P07–P00 and P17–P10) must be limited to a maximum
current of 100 mA, for a device total of 200 mA.
The total current sourced by all I/Os must be limited to 160 mA (80 mA for P07–P00 and 80 mA for P17–P10).
14
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