PCA9517A中文资料PCA9517A: Level Translating I2C-BUS数据手册ONSEMI规格书

描述 Description

The PCA9517A is an I2C bus repeater that provides level shifting between low voltage (down to 0.9 V) and higher voltage (2.7 V to 5.5 V) for I2C bus or SMBus applications.

特性 Features

2 Channel, Bidirectional Buffer Isolates Capacitance and Allows400 pF on Either Side of the Device
Voltage Level Translation from 0.9 V to 5.5 V and from 2.7 V to5.5 V
Footprint and Functional Replacement for PCA9515/15A
I2C bus and SMBus Compatible
Active HIGH Repeater Enable
OpenDrain Inputs/Outputs
Lockup Free Operation
Supports Arbitration and Clock Stretching Across the Repeater, andMultiple Masters
I2C and SMBus SCL Clock Frequency up to 1 MHz (The maximumsystem operating frequency may be less than 1 MHz because of thedelays added by the repeater.)
Powered Off HighImpedance I2C bus Pins
A Side Operating Supply Voltage Range of 0.9 V to 5.5 V
B side Operating Supply Voltage Range of 2.7 V to 5.5 V
5 V Tolerant I2C bus and Enable Pins
Available in: Micro8, SOIC8
ESD Performance: 8 kV HBM, 700 V MM, 2000 V CDM

简介

PCA9517A属于集成电路（IC）的信号缓冲器、中继器、分离器。由制造生产的PCA9517A信号缓冲器、中继器、分离器信号缓冲器、中继器和分离器系列中的产品适用于远距离电气互连或电缆系统的数字信息传输。所有实际互连系统都具有非理想特性，该系列产品主要用于解决数字信息传输过程中因此造成的模拟问题。此外，还有其他功能，例如不同物理接口样式之间的转换和多路复用。