参数资料
| 型号： | PCA9535ECDTR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 6/20页 |
| 文件大小： | 0K |
| 描述： | 16-BIT I/O EXPANDER 24TSSOP |
| 标准包装： | 2,500 |
| 接口： | I²C 总线，SM 总线 |
| 输入/输出数： | 16 |
| 中断输出： | 是 |
| 频率 - 时钟： | 100kHz |
| 电源电压： | 1.65 V ~ 5.5 V |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 24-TSSOP |
| 包装： | 带卷 (TR) |
| 包括： | * |
PCA9535E, PCA9535EC
http://onsemi.com
14
Figure 12. High Value Resistor in Parallel
with the LED
Figure 13. Device Supplied by a Lower Voltage
LED
VDD
LEDn
100 kW
VDD
LED
VDD
LEDn
3.3 V
5 V
Characteristics of the I2Cbus
The I2Cbus is meant for 2way, 2line communication
between different ICs or modules. The two lines are the
serial data line (SDA) and the serial clock line (SCL). Both
lines must be connected to a positive supply via a pullup
resistor when connected to the output stages of a device.
Data transfer may only be initiated when the bus is not busy.
Bit transfer
One data bit is transferred during each clock pulse. The
data on the SDA line must remain stable during the HIGH
period of the clock pulse. Changes in the data line during the
HIGH period of the clock pulse will be interpreted as control
signals (see Figure 14).
Figure 14. Bit Transfer
data line
stable;
data valid
change
of data
allowed
SDA
SCL
START and STOP conditions
Both data and clock lines remain HIGH when the bus is
not busy. A START condition (S) occurs when there is a
HIGHtoLOW transition of the data line while the clock is
HIGH. A STOP condition (P) occurs when there is a
LOWtoHIGH transition of the data line while the clock is
HIGH (see Figure 15).
Figure 15. Definition of START and STOP Conditions
SDA
SCL
P
STOP condition
SDA
SCL
S
START condition
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PCA9535ECDWR2G | 功能描述:接口-I/O扩展器 16-BIT I/O EXPANDER RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
| PCA9535ECMTTXG | 功能描述:接口-I/O扩展器 16-BIT I/O EXPANDER RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
| PCA9535EDTR2G | 功能描述:接口-I/O扩展器 16-BIT I/O EXPANDER RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
| PCA9535EDWR2G | 功能描述:接口-I/O扩展器 16-BIT I/O EXPANDER RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
| PCA9535EMTTXG | 功能描述:接口-I/O扩展器 16-BIT I/O EXPANDER RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
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