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PCA6416APW,118 PDF预览

PCA6416APW,118

更新时间： 2024-01-24 09:48:51
品牌 Logo 应用领域
恩智浦 - NXP PC光电二极管外围集成电路
页数 文件大小 规格书
42页 2668K
描述
PCA6416A - Low-voltage translating 16-bit I²C-bus/SMBus I/O expander TSSOP2 24-Pin

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PCA6416APW,118 技术参数

是否Rohs认证： 符合生命周期：Active
零件包装代码：TSSOP2包装说明：TSSOP, TSSOP24,.25
针数：24Reach Compliance Code：compliant
风险等级：1.14JESD-30 代码：R-PDSO-G24
长度：7.8 mm湿度敏感等级：1
位数：16I/O 线路数量：16
端口数量：2端子数量：24
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：TSSOP
封装等效代码：TSSOP24,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：NOT SPECIFIED
电源：1.8/5 V认证状态：Not Qualified
座面最大高度：1.1 mm子类别：Parallel IO Port
最大供电电压：5.5 V最小供电电压：1.65 V
标称供电电压：1.8 V表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：4.4 mmuPs/uCs/外围集成电路类型：PARALLEL IO PORT, GENERAL PURPOSE
Base Number Matches：1

PCA6416APW,118 数据手册

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PCA6416A  
Low-voltage translating 16-bit I2C-bus/SMBus I/O expander  
with interrupt output, reset, and configuration registers  
Rev. 2. — 10 January 2013  
Product data sheet  
1. General description  
The PCA6416A is a 16-bit general purpose I/O expander that provides remote I/O  
expansion for most microcontroller families via the I2C-bus interface.  
NXP I/O expanders provide a simple solution when additional I/Os are needed while  
keeping interconnections to a minimum, for example, in battery-powered mobile  
applications for interfacing to sensors, push buttons, keypad, etc. In addition to providing  
a flexible set of GPIOs, it simplifies interconnection of a processor running at one voltage  
level to I/O devices operating at a different (usually higher) voltage level. The PCA6416A  
has built-in level shifting feature that makes these devices extremely flexible in mixed  
signal environments where communication between incompatible I/O voltages is required.  
Its wide VDD range of 1.65 V to 5.5 V on the dual power rail allows seamless  
communications with next-generation low voltage microprocessors and microcontrollers  
on the interface side (SDA/SCL) and peripherals at a higher voltage on the port side.  
There are two supply voltages for PCA6416A: VDD(I2C-bus) and VDD(P). VDD(I2C-bus)  
provides the supply voltage for the interface at the master side (for example, a  
microcontroller) and the VDD(P) provides the supply for core circuits and Port P. The  
bidirectional voltage level translation in the PCA6416A is provided through VDD(I2C-bus)  
DD(I2C-bus) should be connected to the VDD of the external SCL/SDA lines. This indicates  
the VDD level of the I2C-bus to the PCA6416A. The voltage level on Port P of the  
PCA6416A is determined by the VDD(P)  
.
V
.
The PCA6416A register set consists of four pairs of 8-bit Configuration, Input, Output, and  
Polarity Inversion 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, saving external  
logic gates.  
The system master can reset the PCA6416A in the event of a time-out or other improper  
operation by asserting a LOW in the RESET input. The power-on reset puts the registers  
in their default state and initializes the I2C-bus/SMBus state machine. The RESET pin  
causes the same reset/initialization to occur without depowering the part.  
The PCA6416A 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.  
 
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PCA6416APW,118 替代型号

型号 品牌 替代类型 描述 数据表
PCA9555APW,118 NXP

类似代替

 PCA9555A - Low-voltage 16-bit I²C-bus I/O por
PCA9535APW,118 NXP

功能相似

 PCA9535A - Low-voltage 16-bit I²C-bus I/O por

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