Datasheet > RS1T45

RS1T45

更新时间： 2024-11-07 17:01:43

品牌	Logo	应用领域
润石 - RUNIC		转换器电平转换器
页数	文件大小	规格书
19页	679K
描述
电平转换器

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RS1T45 数据手册

RS1T45

1-Bit Dual-Supply Bus Transceiver with Configurable

Voltage Translation and 3-State Outputs

1 FEATURES

3 DESCRIPTIONS

•

Control Input threshold Referenced to

V_CCAVoltage

The RS1T45 is 1-bit non-invertingbus transceiver uses two

separate configurable power supply rails. The A port and

DIR are designed to track V_CCA, which supporting operating

voltages from 1.65V to 5.5V, and the B port supporting

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

V_CCBsupply. This allows for universal low-voltage

bidirectional translation between any of the 1.8V, 2.5V,

3.3V and 5V voltage nodes.

Power-Supply Range:

V_CCAand V_CCB:1.65V to 5.5V

V_CCIsolation: If Either V_CCis at GND, Both

Ports are in the High-Impedance State

Low power consumption,4μA Max

Output drive up to ±24mA@3.0V

No Power-Supply Sequencing Required:

Either V_CCAor V_CCBcan be Ramped First

I_OFF: Supports Partial-Power-Down Mode

Operation

•

The RS1T45 is designed for asynchronous communication

between two data buses. The logic levels of the direction-

control (DIR) input activate either the B-port outputs or the

A-port outputs. The device transmits data from the A bus to

the B bus when the B-port outputs are activated and from

the B bus to the A bus when the A-port outputs are

activated. The input circuitry is always active on both A and

B ports and must have a logic HIGH or LOW level applied

•

Extended Temperature: -40°C to +125°C

2 APPLICATIONS

•

Industrial

Enterprise

Telecom, such as VOIP

Personal electronic

to prevent excess I_CCand I_CCZ

The RS1T45 is available in Green SOT23-6 and SC70-6

packages. It operates over an ambient temperature range

of -40°C to +125°C

Device Information⁽¹⁾

PART

NUMBER

PACKAGE

BODY SIZE (NOM)

SOT23-6(6)

2.92mm×1.60mm

2.10mm×1.25mm

RS1T45

SC70-6

(SOT363) (6)

(1) For all available packages, see the orderable addendum at the end

of the data sheet.

4 Functional Block Diagram

REV A.2

1 / 19

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