PCA9500 查看數據表（PDF） - NXP Semiconductors.
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PCA9500 Datasheet PDF : 26 Pages
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NXP Semiconductors
PCA9500
8-bit I2C-bus and SMBus I/O port with 2-kbit EEPROM
11. Static characteristics
Table 5. Static characteristics
Symbol Parameter
Conditions
Min
Typ
Supply
VDD
supply voltage
IDDQ
standby current
IDD1
supply current read
IDD2
supply current write
VPOR
power-on reset voltage
Input SCL; input/output SDA
2.5
3.3
A0, A1, A2, WC = HIGH
-
-
-
-
-
-
-
-
VIL
LOW-level input voltage
VIH
HIGH-level input voltage
IOL
LOW-level output current
ILI
input leakage current
Ci
input capacitance
I/O expander port
VOL = 0.4 V
VI = VDD or VSS
VI = VSS
−0.5
-
0.7VDD -
3
-
−1
-
-
-
VIL
LOW-level input voltage
VIH
HIGH-level input voltage
IIHL(max) input current through protection diodes
IOL
LOW-level output current
IOH
HIGH-level output current
IOHt
transient pull-up current
Ci
input capacitance
Co
output capacitance
Address inputs A0, A1, A2; WC input
VOL = 1 V
VOH = VSS
−0.5
-
0.7VDD -
−400
-
[1] 10
25
30
100
-
2
-
-
-
-
VIL
LOW-level input voltage
VIH
HIGH-level input voltage
ILI
input leakage current
VI = VDD
pull-up; VI = VSS
−0.5
-
0.7VDD -
−1
-
10
25
Max
Unit
3.6
V
60
µA
1
mA
2
mA
2.4
V
+0.3VDD V
5.5
V
-
mA
+1
µA
7
pF
+0.3VDD V
5.5
V
+400
µA
-
mA
300
µA
-
mA
10
pF
10
pF
+0.3VDD V
5.5
V
+1
µA
100
µA
[1] Each I/O must be externally limited to a maximum of 25 mA and the device must be limited to a maximum current of 100 mA.
PCA9500_4
Product data sheet
Rev. 04 — 15 April 2009
© NXP B.V. 2009. All rights reserved.
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