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参数资料
型号： PCA9539BS,115
厂商： NXP Semiconductors
文件页数： 11/37页
文件大小： 0K
描述： IC I/O EXPANDER I2C/SMBU 24HVQFN
标准包装： 1,500
系列： *
PCA9539_PCA9539R
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2013. All rights reserved.
Product data sheet
Rev. 6 — 6 February 2013
19 of 37
NXP Semiconductors
PCA9539; PCA9539R
16-bit I2C-bus and SMBus low power I/O port with interrupt and reset
[3]
The total current sourced by all I/Os must be limited to 160 mA (80 mA for IO0_0 through IO0_7 and 80 mA for IO1_0 through IO1_7).
[1]
VDD must be lowered to 0.2 V for at least 5 s in order to reset part.
[2]
Each I/O must be externally limited to a maximum of 25 mA and each octal (IO0_0 to IO0_7 and IO1_0 to IO1_7) must be limited to a
maximum current of 100 mA for a device total of 200 mA.
[3]
The total current sourced by all I/Os must be limited to 160 mA (80 mA for IO0_0 through IO0_7 and 80 mA for IO1_0 through IO1_7).
Table 15.
Static characteristics for PCA9539PW/Q900
VDD =5.0 V 10 %; VSS =0V; Tamb = 40 C to +125 C; unless otherwise specified.
Symbol Parameter
Conditions
Min
Typ
Max
Unit
Supplies
VDD
supply voltage
4.5
-
5.5
V
IDD
supply current
Operating mode; VDD =5.5 V;
no load; fSCL = 100 kHz; I/O = inputs
-
135
200
A
Istb
standby current
Standby mode; VDD = 5.5 V; no load;
VI =VSS; fSCL = 0 kHz; I/O = inputs
-0.25
1
A
Standby mode; VDD = 5.5 V; no load;
VI =VDD; fSCL = 0 kHz; I/O = inputs
-0.25
1
A
VPOR
power-on reset voltage[1]
no load; VI =VDD or VSS
-
1.5
1.65
V
Input SCL; input/output SDA
VIL
LOW-level input voltage
0.5
-
+0.3VDD V
VIH
HIGH-level input voltage
0.7VDD
-5.5
V
IOL
LOW-level output current
VOL =0.4 V
3
-
mA
IL
leakage current
VI =VDD =VSS
1-
+1
A
Ci
input capacitance
VI =VSS
-6
10
pF
I/Os
VIL
LOW-level input voltage
0.5
-
+0.3VDD V
VIH
HIGH-level input voltage
0.7VDD
-5.5
V
IOL
LOW-level output current
VDD =4.5 V; VOL =0.5 V
[2] 89
-
mA
VDD =4.5 V; VOL =0.7 V
[2] 10
11
-
mA
VOH
HIGH-level output voltage
IOH = 8mA; VDD =4.5 V
[3] 4.1
-
V
IOH = 10 mA; VDD =4.5 V
[3] 4.0
-
V
ILIH
HIGH-level input leakage current
VDD =5.5 V; VI =VDD
--
1
A
ILIL
LOW-level input leakage current
VDD =5.5 V; VI =VSS
--
1
A
Ci
input capacitance
-
3.7
5
pF
Co
output capacitance
-
3.7
5
pF
Interrupt INT
IOL
LOW-level output current
VOL =0.4 V
3
-
mA
Select inputs A0, A1 and RESET
VIL
LOW-level input voltage
0.5
-
+0.3VDD V
VIH
HIGH-level input voltage
0.7VDD
-5.5
V
ILI
input leakage current
1-
+1
A
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