參數(shù)資料
型號(hào): PCA9502
廠商: NXP Semiconductors N.V.
英文描述: 8-bit I/O expander with I2C-bus/SPI interface
中文描述: 8位I / O擴(kuò)展接口與I2C-bus/SPI
文件頁數(shù): 14/25頁
文件大?。?/td> 125K
代理商: PCA9502
PCA9502_3
NXP B.V. 2006. All rights reserved.
Product data sheet
Rev. 03 — 13 October 2006
14 of 25
NXP Semiconductors
PCA9502
8-bit I/O expander with I
2
C-bus/SPI interface
12. Static characteristics
Table 15.
V
DD
= (2.5 V
±
0.2 V) or (3.3 V
±
0.3 V); T
amb
=
40
°
C to +85
°
C; unless otherwise specified.
Symbol
Parameter
Conditions
Static characteristics
V
DD
= 2.5 V
Min
V
DD
= 3.3 V
Min
Unit
Max
Max
Supplies
V
DD
I
DD
supply voltage
supply current
2.3
-
-
2.7
750
600
3.0
-
-
3.6
750
600
V
μ
A
μ
A
operating; no load
static; no load
Inputs I2C/SPI
V
IH
V
IL
I
L
C
i
Output SO
V
OH
HIGH-level input voltage
LOW-level input voltage
leakage current
input capacitance
1.6
-
-
-
5.5
[1]
0.6
1
3
2.0
-
-
-
5.5
[1]
0.8
1
3
V
V
μ
A
pF
input; V
I
= 0 V or 5.5 V
[1]
HIGH-level output voltage
I
OH
=
400
μ
A
I
OH
=
4 mA
I
OL
= 1.6 mA
I
OL
= 4 mA
1.85
-
-
-
-
-
-
-
-
-
-
V
V
V
V
pF
2.4
-
-
-
V
OL
LOW-level output voltage
0.4
-
4
0.4
4
C
o
Inputs/outputs GPIO0 to GPIO7
V
IH
HIGH-level input voltage
V
IL
LOW-level input voltage
V
OH
HIGH-level output voltage
output capacitance
1.6
-
1.85
-
-
-
-
-
5.5
[1]
0.6
-
-
0.4
-
1
4
2.0
-
-
2.4
-
-
-
-
5.5
[1]
0.8
-
-
-
0.4
1
4
V
V
V
V
V
V
μ
A
pF
I
OH
=
400
μ
A
I
OH
=
4 mA
I
OL
= 1.6 mA
I
OL
= 4 mA
input; V
I
= 0 V or 5.5 V
[1]
V
OL
LOW-level output voltage
I
L
C
o
Output IRQ
V
OL
leakage current
output capacitance
LOW-level output voltage
I
OL
= 1.6 mA
I
OL
= 4 mA
-
-
-
0.4
-
4
-
-
-
-
V
V
pF
0.4
4
C
o
I
2
C-bus input/output SDA
V
IH
HIGH-level input voltage
V
IL
LOW-level input voltage
V
OL
LOW-level output voltage
output capacitance
1.6
-
-
-
-
-
5.5
[1]
0.6
0.4
-
10
7
2.0
-
-
-
-
-
5.5
[1]
0.8
-
0.4
10
7
V
V
V
V
μ
A
pF
I
OL
= 1.6 mA
I
OL
= 4 mA
input; V
I
= 0 V or 5.5 V
[1]
I
L
C
o
leakage current
output capacitance
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