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PCA9542A Datasheet PDF : 22 Pages
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NXP Semiconductors
PCA9542A
2-channel I2C-bus multiplexer and interrupt logic
10. Static characteristics
Table 7. Static characteristics
VDD = 2.3 V to 3.6 V; VSS = 0 V; Tamb = −40 °C to +85 °C; unless otherwise specified.
See Table 8 for VDD = 4.5 V to 5.5 V.[1]
Symbol Parameter
Conditions
Min
Typ
Supply
VDD
supply voltage
2.3
-
IDD
supply current
operating mode; VDD = 3.6 V;
no load; VI = VDD or VSS;
fSCL = 100 kHz
-
10
Istb
standby current
standby mode; VDD = 3.6 V; no load;
-
0.1
VI = VDD or VSS; fSCL = 0 kHz
VPOR
power-on reset voltage
no load; VI = VDD or VSS
[2] -
1.6
Input SCL; input/output SDA
VIL
LOW-level input voltage
VIH
HIGH-level input voltage
IOL
LOW-level output current
IL
leakage current
Ci
input capacitance
Select inputs A0, A1, A2, INT0, INT1
VOL = 0.4 V
VOL = 0.6 V
VI = VDD or VSS
VI = VSS
−0.5
-
0.7VDD -
3
7
6
10
−1
-
-
9
VIL
LOW-level input voltage
VIH
HIGH-level input voltage
ILI
input leakage current
Ci
input capacitance
Pass gate
VI = VDD or VSS
VI = VSS
−0.5
-
0.7VDD -
−1
-
-
1.6
Ron
ON-state resistance
Vo(sw)
switch output voltage
IL
leakage current
Cio
input/output capacitance
INT output
VDD = 3.0 V to 3.6 V; VO = 0.4 V;
IO = 15 mA
VDD = 2.3 V to 2.7 V; VO = 0.4 V;
IO = 10 mA
Vi(sw) = VDD = 3.3 V; Io(sw) = −100 µA
Vi(sw) = VDD = 3.0 V to 3.6 V;
Io(sw) = −100 µA
Vi(sw) = VDD = 2.5 V; Io(sw) = −100 µA
Vi(sw) = VDD = 2.3 V to 2.7 V;
Io(sw) = −100 µA
VI = VDD or VSS
VI = VSS
5
11
7
16
-
1.9
1.6
-
-
1.5
1.1
-
−1
-
-
3
IOL
LOW-level output current VOL = 0.4 V
IOH
HIGH-level output current
3
-
-
-
[1] For operation between published voltage ranges, refer to worst case parameter in both ranges.
[2] VDD must be lowered to 0.2 V in order to reset part.
Max
Unit
3.6
V
30
µA
1
µA
2.1
V
+0.3VDD V
6
V
-
mA
-
mA
+1
µA
10
pF
+0.3VDD V
VDD + 0.5 V
+1
µA
3
pF
30
Ω
55
Ω
-
V
2.8
V
-
V
2.0
V
+1
µA
5
pF
-
mA
+10
µA
PCA9542A_3
Product data sheet
Rev. 03 — 24 November 2008
© NXP B.V. 2008. All rights reserved.
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