参数资料
型号: PCA9555DB,118
厂商: NXP Semiconductors
文件页数: 10/34页
文件大小: 0K
描述: IC I/O EXPANDER I2C 16B 24SSOP
产品培训模块: I²C Bus Fundamentals
特色产品: NXP - I2C Interface
标准包装: 1
接口: I²C,SM 总线
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(0.209",5.30mm 宽)
供应商设备封装: 24-SSOP
包装: 标准包装
包括: POR
产品目录页面: 826 (CN2011-ZH PDF)
配用: 568-4002-ND - DEMO BOARD I2C
其它名称: 568-1057-6
PCA9555_8
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 08 — 22 October 2009
18 of 34
NXP Semiconductors
PCA9555
16-bit I2C-bus and SMBus I/O port with interrupt
10. Static characteristics
[1]
VDD must be lowered to 0.2 V for at least 5 s in order to reset part.
Table 14.
Static characteristics
VDD = 2.3 V to 5.5 V; VSS =0V; Tamb = 40 °C to +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; VDD = 5.5 V; no load;
fSCL = 100 kHz
-
135
200
A
Istb
standby current
Standby mode; VDD = 5.5 V; no load;
VI =VSS; fSCL = 0 kHz; I/O = inputs
-
1.1
1.5
mA
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 = 2.3 V to 5.5 V; VOL = 0.5 V
(8 to 20)
-
mA
VDD = 2.3 V to 5.5 V; VOL = 0.7 V
(10 to 24) -
mA
VOH
HIGH-level output voltage IOH = 8 mA; VDD = 2.3 V
[3] 1.8
-
V
IOH = 10 mA; VDD = 2.3 V
[3] 1.7
-
V
IOH = 8 mA; VDD = 3.0 V
[3] 2.6
-
V
IOH = 10 mA; VDD = 3.0 V
[3] 2.5
-
V
IOH = 8 mA; VDD = 4.75 V
[3] 4.1
-
V
IOH = 10 mA; VDD = 4.75 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
--
100
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, A2
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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