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PCA6107DWT

更新时间： 2024-01-15 16:13:49
品牌 Logo 应用领域
德州仪器 - TI 输出元件
页数 文件大小 规格书
24页 307K
描述
8 I/O, PIA-GENERAL PURPOSE, PDSO18, SOIC-18

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PCA6107DWT 技术参数

生命周期：Obsolete零件包装代码：SOIC
包装说明：SOIC-18针数：18
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.37
Is Samacsys：NJESD-30 代码：R-PDSO-G18
长度：11.55 mm位数：8
I/O 线路数量：8端口数量：1
端子数量：18最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP18,.4
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
电源：2.5/5 V认证状态：Not Qualified
座面最大高度：2.65 mm子类别：Parallel IO Port
最大供电电压：5.5 V最小供电电压：2.3 V
标称供电电压：2.5 V表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL宽度：7.5 mm
uPs/uCs/外围集成电路类型：PARALLEL IO PORT, GENERAL PURPOSEBase Number Matches：1

PCA6107DWT 数据手册

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PCA6107  
REMOTE 8-BIT I2C AND SMBus LOW-POWER I/O EXPANDER  
WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS  
www.ti.com  
SCPS139B–JANUARY 2006–REVISED OCTOBER 2006  
DESCRIPTION/ORDERING INFORMATION (CONTINUED)  
The PCA6107 consists of one 8-bit Configuration (input or output selection), Input Port, Output Port, and Polarity  
Inversion (active high) registers. At power on, the I/Os are configured as inputs. However, the system master  
can enable the I/Os as either inputs or outputs by writing to the I/O configuration bits. The data for each input or  
output is kept in the corresponding input or output register. The polarity of the Input Port register can be inverted  
with the Polarity Inversion register. All registers can be read by the system master.  
The system master can reset the PCA6107 in the event of a timeout or other improper operation by asserting a  
low in the active-low reset (RESET) input. The power-on reset puts the registers in their default states and  
initializes the I2C/SMBus state machine. Asserting RESET causes the same reset/initialization to occur without  
depowering the part.  
The PCA6107 open-drain interrupt (INT) output is activated when any input state differs from its corresponding  
Input Port register state and is used to indicate to the system master that an input state has changed.  
INT can be connected to the interrupt input of a microcontroller. By sending an interrupt signal on this line, the  
remote I/O can inform the microcontroller if there is incoming data on its ports without having to communicate via  
the I2C bus. Thus, the PCA6107 can remain a simple slave device.  
The device outputs (latched) have high-current drive capability for directly driving LEDs. The device has low  
current consumption and a high-impedance open-drain output pin, P0.  
Three hardware pins (A0, A1, and A2) are used to program and vary the fixed I2C address, allowing up to eight  
devices to share the same I2C bus or SMBus.  
TERMINAL FUNCTIONS  
TERMINAL  
DESCRIPTION  
NO.  
1
NAME  
INT  
SCL  
SDA  
A0  
Interrupt output. Connect to VCC through a pullup resistor.  
Serial clock bus. Connect to VCC through a pullup resistor.  
Serial data bus. Connect to VCC through a pullup resistor.  
Address input. Connect directly to VCC or ground.  
Address input. Connect directly to VCC or ground.  
Address input. Connect directly to VCC or ground.  
P-port input/output. Open-drain design structure. Connect to VCC through a pullup resistor.  
P-port input/output. Push-pull design structure.  
Ground  
2
3
4
5
A1  
6
A2  
7
P0  
8
P1  
9
GND  
P2  
10  
11  
12  
13  
14  
15  
16  
17  
18  
P-port input/output. Push-pull design structure.  
P-port input/output. Push-pull design structure.  
P-port input/output. Push-pull design structure.  
P-port input/output. Push-pull design structure.  
P-port input/output. Push-pull design structure.  
P-port input/output. Push-pull design structure.  
Active-low reset input. Connect to VCC through a pullup resistor if no active connection is used.  
Supply voltage  
P3  
P4  
P5  
P6  
P7  
RESET  
VCC  
VCC  
Supply voltage  
2
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