PCA9548AD(2009) 查看數據表（PDF） - NXP Semiconductors.
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PCA9548AD Datasheet PDF : 26 Pages
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NXP Semiconductors
PCA9548A
8-channel I2C-bus switch with reset
Table 7. Static characteristics at VDD = 4.5 V to 5.5 V
VSS = 0 V; Tamb = −40 °C to +85 °C; unless otherwise specified. See Table 6 on page 14 for VDD = 2.3 V to 3.6 V.[1]
Symbol Parameter
Conditions
Min
Typ
Max
Supply
VDD
supply voltage
IDD
supply current
Istb
standby current
VPOR
power-on reset voltage
Input SCL; input/output SDA
operating mode; VDD = 5.5 V;
no load; VI = VDD or VSS;
fSCL = 100 kHz
standby mode; VDD = 5.5 V;
no load; VI = VDD or VSS
no load; VI = VDD or VSS
4.5
-
5.5
-
65
100
-
0.2
1
[2] -
1.7
2.1
VIL
LOW-level input voltage
VIH
HIGH-level input voltage
IOL
LOW-level output current
IIL
LOW-level input current
IIH
HIGH-level input current
Ci
input capacitance
Select inputs A0 to A2, RESET
VOL = 0.4 V
VOL = 0.6 V
VI = VSS
VI = VDD
VI = VSS
−0.5
-
0.7VDD -
3
-
6
-
−1
-
−1
-
-
15
+0.3VDD
6
-
-
+1
+1
21
VIL
VIH
ILI
Ci
Pass gate
LOW-level input voltage
HIGH-level input voltage
input leakage current
input capacitance
pin at VDD or VSS
VI = VSS
−0.5
-
0.7VDD -
−1
-
-
2
+0.3VDD
VDD + 0.5
+1
5
Ron
Vo(sw)
IL
Cio
ON-state resistance
switch output voltage
leakage current
input/output capacitance
VDD = 4.5 V to 5.5 V; VO = 0.4 V;
IO = 15 mA
Vi(sw) = VDD = 5.0 V;
Io(sw) = −100 µA
Vi(sw) = VDD = 4.5 V to 5.5 V;
Io(sw) = −100 µA
VI = VDD or VSS
VI = VSS
4
9
24
-
3.6
-
2.6
-
4.5
−1
-
+1
-
3
5
Unit
V
µA
µA
V
V
V
mA
mA
µA
µA
pF
V
V
µA
pF
Ω
V
V
µA
pF
[1] For operation between published voltage ranges, refer to the worst-case parameter in both ranges.
[2] VDD must be lowered to 0.2 V in order to reset part.
PCA9548A_3
Product data sheet
Rev. 03 — 7 July 2009
© NXP B.V. 2009. All rights reserved.
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