PCA9555 查看數據表（PDF） - NXP Semiconductors.
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PCA9555 Datasheet PDF : 34 Pages
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NXP Semiconductors
PCA9555
16-bit I2C-bus and SMBus I/O port with interrupt
10. Static characteristics
Table 14. Static characteristics
VDD = 2.3 V to 5.5 V; VSS = 0 V; Tamb = −40 °C to +85 °C; unless otherwise specified.
Symbol Parameter
Conditions
Min
Supplies
VDD
supply voltage
2.3
IDD
supply current
Operating mode; VDD = 5.5 V; no load;
-
fSCL = 100 kHz
Istb
standby current
Standby mode; VDD = 5.5 V; no load;
-
VI = VSS; fSCL = 0 kHz; I/O = inputs
Standby mode; VDD = 5.5 V; no load;
-
VI = VDD; fSCL = 0 kHz; I/O = inputs
VPOR
power-on reset voltage[1] no load; VI = VDD or VSS
-
Input SCL; input/output SDA
VIL
LOW-level input voltage
VIH
HIGH-level input voltage
IOL
LOW-level output current VOL = 0.4 V
IL
leakage current
VI = VDD = VSS
Ci
input capacitance
VI = VSS
I/Os
−0.5
0.7VDD
3
−1
-
VIL
LOW-level input voltage
VIH
HIGH-level input voltage
IOL
LOW-level output current VDD = 2.3 V to 5.5 V; VOL = 0.5 V
VDD = 2.3 V to 5.5 V; VOL = 0.7 V
VOH
HIGH-level output voltage IOH = −8 mA; VDD = 2.3 V
IOH = −10 mA; VDD = 2.3 V
IOH = −8 mA; VDD = 3.0 V
IOH = −10 mA; VDD = 3.0 V
IOH = −8 mA; VDD = 4.75 V
IOH = −10 mA; VDD = 4.75 V
ILIH
HIGH-level input leakage VDD = 5.5 V; VI = VDD
current
−0.5
0.7VDD
[2] 8
[2] 10
[3] 1.8
[3] 1.7
[3] 2.6
[3] 2.5
[3] 4.1
[3] 4.0
-
ILIL
LOW-level input leakage VDD = 5.5 V; VI = VSS
-
current
Ci
input capacitance
-
Co
output capacitance
-
Interrupt INT
IOL
LOW-level output current VOL = 0.4 V
3
Select inputs A0, A1, A2
VIL
LOW-level input voltage
VIH
HIGH-level input voltage
ILI
input leakage current
−0.5
0.7VDD
−1
[1] VDD must be lowered to 0.2 V for at least 5 µs in order to reset part.
Typ
Max
Unit
-
5.5
V
135
200
µA
1.1
1.5
mA
0.25
1
µA
1.5
1.65
V
-
+0.3VDD V
-
5.5
V
-
-
mA
-
+1
µA
6
10
pF
-
+0.3VDD V
-
5.5
V
(8 to 20) -
mA
(10 to 24) -
mA
-
-
V
-
-
V
-
-
V
-
-
V
-
-
V
-
-
V
-
1
µA
-
−100 µA
3.7
5
pF
3.7
5
pF
-
-
mA
-
+0.3VDD V
-
5.5
V
-
+1
µA
PCA9555_8
Product data sheet
Rev. 08 — 22 October 2009
© NXP B.V. 2009. All rights reserved.
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