参数资料
| 型号： | PCA9500PW,118 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 5/26页 |
| 文件大小： | 0K |
| 描述： | IC I/O EXPANDER I2C 8B 16TSSOP |
| 标准包装： | 2,500 |
| 接口： | I²C，SM 总线 |
| 输入/输出数： | 8 |
| 中断输出： | 无 |
| 频率 - 时钟： | 400kHz |
| 电源电压： | 2.5 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 16-TSSOP |
| 包装： | 带卷 (TR) |
| 包括： | EEPROM，POR |
| 其它名称： | 935271534118 PCA9500PW-T PCA9500PW-T-ND |
PCA9500_4
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04 — 15 April 2009
13 of 26
NXP Semiconductors
PCA9500
8-bit I2C-bus and SMBus I/O port with 2-kbit EEPROM
10. Limiting values
GPIO device address congured as 0100 100x for this example.
EEPROM device address congured as 1010 100x for this example.
IO0, IO2, IO3 congured as outputs.
IO1, IO4, IO5 congured as inputs.
IO6, IO7 are not used and must be congured as outputs.
Fig 20. Typical application
PCA9500
IO0
IO1
SCL
SDA
VDD
MASTER
CONTROLLER
SCL
SDA
10 k
IO2
VDD
A2
A1
A0
VDD
VSS
10 k
(optional)
SUB-SYSTEM 1
(e.g., temp sensor)
IO3
INT
SUB-SYSTEM 2
(e.g., counter)
RESET
controlled
switch
(e.g., CBT device)
VDD
A
B
enable
SUB-SYSTEM 3
(e.g., alarm system)
ALARM
IO4
IO5
VSS
IO6
IO7
2 k
10 k
002aae599
Table 4.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
Conditions
Min
Max
Unit
VDD
supply voltage
0.5
+4.0
V
VI
input voltage
VSS 0.5
5.5
V
II
input current
20
+20
mA
IO
output current
25
+25
mA
IDD
supply current
100
+100
mA
ISS
ground supply current
100
+100
mA
Ptot
total power dissipation
-
400
mW
P/out
power dissipation per output
-
100
mW
Tstg
storage temperature
65
+150
°C
Tamb
ambient temperature
operating
40
+85
°C
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