参数资料
型号: PCA8575DK,118
厂商: NXP Semiconductors
文件页数: 8/30页
文件大小: 0K
描述: IC I/O EXPANDER I2C 16B 24QSOP
标准包装: 2,500
接口: I²C
输入/输出数: 16
中断输出:
频率 - 时钟: 400kHz
电源电压: 2.3 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-SSOP(0.154",3.90mm 宽)
供应商设备封装: 24-SSOP
包装: 带卷 (TR)
包括: POR
其它名称: 935283504118
PCA8575DK-T
PCA8575DK-T-ND
PCA8575_2
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 02 — 21 March 2007
16 of 30
NXP Semiconductors
PCA8575
Remote 16-bit I/O expander for I2C-bus with interrupt
12. Static characteristics
[1]
The power-on reset circuit resets the I2C-bus logic with VDD <VPOR and set all I/Os to logic 1 (with current source to VDD).
[2]
Each bit must be limited to a maximum of 25 mA and the total package limited to 400 mA due to internal busing limits.
[3]
The value is not tested, but veried on sampling basis.
Table 5.
Static characteristics
VDD = 2.3 V to 5.5 V; VSS =0V; Tamb = 40 °Cto+85 °C; unless otherwise specied.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Supplies
VDD
supply voltage
2.3
-
5.5
V
IDD
supply current
Operating mode; no load;
VI =VDD or VSS; fSCL = 400 kHz
-
100
200
A
Istb
standby current
Standby mode; no load;
VI =VDD or VSS
-
2.5
10
A
VPOR
power-on reset voltage
1.8
2.0
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
20
-
mA
IL
leakage current
VI =VDD or VSS
1-
+1
A
Ci
input capacitance
VI =VSS
-
5
10
pF
I/Os; P00 to P07 and P10 to P17
IOL
LOW-level output current[2]
VOL = 0.5 V; VDD = 2.3 V
12
28
-
mA
VOL = 0.5 V; VDD = 3.0 V
17
35
-
mA
VOL = 0.5 V; VDD = 4.5 V
25
42
-
mA
IOL(tot)
total LOW-level output current[2]
VOL = 0.5 V; VDD = 4.5 V
-
400
mA
IOH
HIGH-level output current
VOH =VSS
30
102
300
A
Itrt(pu)
transient boosted pull-up current VOH =VSS; see Figure 11
0.5
1.0
-
mA
Cio(off)
off-state input/output
capacitance
9
10
pF
Interrupt INT
IOL
LOW-level output current
VOL = 0.4 V
6
-
mA
Co
output capacitance
-
3
5
pF
Inputs AD0, AD1, AD2
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
Ci
input capacitance
-
3.5
5
pF
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