国产4Bit电平/电压转换器 润石RS0204YQ可替代TI/TXB0104 ON/NLSX4014

深圳市汇芯微是Run-IC 润石***代理商

RS0204 4-Bit Bidirectional Voltage-Level Translator with

Automatic Direction Sensing

1 FEATURES

No Direction-Control

Data Rates

100Mbps

1.2V to 3.6V on A ports and 1.65V to 5.5V

on B Ports (VCCA≤VCCB)

VCC Isolation Feature: If Either VCC Input

is at GND, Both Ports are in the HighImpedance State

Output Enable (OE) Input Circuit

Referenced to VCCA

Low Power Consumption,10A

Maximum ICC

No Power-Supply Sequencing Required:

Either VCCA or VCCB can be Ramped First

IOFF: Supports Partial-Power-Down Mode

Operation

Extended Temperature: -40°C to +85°C

2 APPLICATIONS

Handset

Smartphone

Tablet

Desktop PC

3 DESCRIPTIONS

This 4-bit non-inverting translator is a bidirectional voltagelevel translator and can be used to establish digital

switching compatibility between mixed-voltage systems. It

uses two separate configurable power-supply rails, with the

A ports supporting operating voltages from 1.2V to 3.6V

while it tracks the VCCA supply, and the B ports supporting

operating voltages from 1.65V to 5.5V while it tracks the

VCCB supply. This allows the support of both lower and

higher logic ** levels while providing bidirectional

translation capabilities between any of the 1.2V，1.5V，

1.8V， 2.5V，3.3V and 5V voltage nodes.

VCCA must not exceed VCCB.

When the output-enable (OE) input is low, all outputs are

placed in the high-impedance state, which significantly

reduces the power-supply quiescent current consumption.

OE has an internal pull-down current source, as long as

VCCA is powered.

To ensure the high-impedance state during power up or

power down, OE should be tied to GND through a pull- down

resistor; the minimum value of the resistor is determined

by the current-sourcing capability of the driver.

The RS0204 is available in Green QFN3.5x3.5-14L,

QFN1.7x2-12L and TSSOP-14 packages. It operates over

an ambient temperature range of -40°C to +85°C.

该4位非反相转换器是一种双向电压电平转换器，可用于建立混合电压系统之间的数字开关兼容性。它使用两个单独的可配置电源轨，A端口在跟踪VCCA电源时支持1.2V至3.6V的工作电压，B端口在跟踪VCCB电源时支持1.65V至5.5V的工作压力。这允许支持较低和较高的逻辑信号电平，同时在1.2V、1.5V、1.8V、2.5V、3.3V和5V电压节点之间提供双向转换能力。VCCA不得**过VCCB。

当输出使能（OE）输入较低时，所有输出都处于高阻抗状态，这***降低了电源静态电流消耗。只要VCCA通电，OE具有内部下拉电流源。

为确保通电或断电期间的高阻抗状态，OE应通过下拉电阻器连接到GND；电阻器的***小值取决于转换器的电流源能力。

RS0204有绿色QFN3.5x3.5-14L、QFN1.7x2-12L和TSSOP-14封装。它在-40°C至+85°C的环境温度范围内工作。

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