PCA9549 Просмотр технического описания (PDF) - NXP Semiconductors.
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PCA9549 Datasheet PDF : 25 Pages
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NXP Semiconductors
PCA9549
Octal bus switch with individually I2C-bus controlled enables
9. Static characteristics
Table 6. Static characteristics at VDD = 2.3 V to 3.6 V
VSS = 0 V; Tamb = −40 °C to +85 °C; unless otherwise specified. See Table 7 on page 12 for VDD = 4.5 V to 5.5 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 = 3.6 V; no load;
VI = VDD or VSS; fSCL = 100 kHz
Standby mode; VDD = 3.6 V; no load;
VI = VDD or VSS
no load; VI = VDD or VSS
2.3
-
-
[2] -
-
3.6
20
50
0.1
1
1.6
2.1
VIL
LOW-level input voltage
VIH
HIGH-level input voltage
IOL
LOW-level output current
IL
leakage current
Ci
input capacitance
Select inputs A0 to A2, RESET
VOL = 0.4 V
VOL = 0.6 V
VI = VDD or VSS
VI = VSS
−0.5
-
0.7VDD -
3
-
6
-
−1
-
-
6
+0.3VDD
6
-
-
+1
21
VIL
LOW-level input voltage
VIH
HIGH-level input voltage
ILI
input leakage current
Ci
input capacitance
Pass gate
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 = 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
-
7
12
-
8
15
-
1.9
-
1.6
-
2.8
-
1.5
-
1.0
-
2.0
−1
-
+1
-
3
5
Unit
V
µA
µA
V
V
V
mA
mA
µA
pF
V
V
µA
pF
Ω
Ω
V
V
V
V
µA
pF
[1] For operation between published voltage ranges, refer to the worst-case parameters in both ranges.
[2] VDD must be lowered to 0.2 V in order to reset part.
PCA9549_2
Product data sheet
Rev. 02 — 13 July 2009
© NXP B.V. 2009. All rights reserved.
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