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SN74LVC2T45DCURG4  收发器 2Bit Dual Supply Transceiver with Configurable VoltageLevel Shifting and 3State Outputs 8VSSOP 40 to 85
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逻辑芯片
产品详情
型号SN74LVC2T45DCURG4
封装US8
品牌Texas Instruments
年份17+
描述收发器 2-Bit Dual Supply Transceiver with Configurable Voltage-Level Shifting and 3-State Outputs 8-VSSOP -40 to 85
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SN74LVC2T45DCUR Datasheet, PDF

Electronic Manufacturer Part no Datasheet Electronics Description
Texas Instruments
Texas Instruments
SN74LVC2T45DCUR [Old version datasheet] DUAL BIT DUAL SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SN74LVC2T45DCUR [Old version datasheet] DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SN74LVC2T45DCUR [Old version datasheet] DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SN74LVC2T45DCUR [Old version datasheet] DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
Texas Instruments
Texas Instruments
SN74LVC2T45DCURE4 [Old version datasheet] DUAL BIT DUAL SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SN74LVC2T45DCURE4 [Old version datasheet] DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SN74LVC2T45DCURE4 [Old version datasheet] DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SN74LVC2T45DCURE4 [Old version datasheet] DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SN74LVC2T45DCURG4 [Old version datasheet] DUAL BIT DUAL SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SN74LVC2T45DCURG4 [Old version datasheet] DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
 

SN74LVC2T45DCUR Datasheet, PDF More

Texas Instruments SN74LVC2T45DCUR

This dual-bit noninverting bus transceiver uses two separate configurable power-supply rails. The A port is designed to track VCCA. VCCA accepts any supply voltage from 1.65 V to 5.5 V. The B port is designed to track VCCB. VCCB accepts any supply voltage from 1.65 V to 5.5 V. This allows for universal low-voltage bidirectional translation between any of the 1.8-V, 2.5-V, 3.3-V, and 5-V voltage nodes.

The SN74LVC2T45 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 on both A and B ports always is active and must have a logic HIGH or LOW level applied to prevent excess ICC and ICCZ.

The SN74LVC2T45 is designed so that the DIR input circuit is supplied by VCCA. This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.

The VCC isolation feature ensures that if either VCC input is at GND, both ports are in the high-impedance state. NanoFree™ package technology is a major breakthrough in IC packaging concepts, using the die as the package.

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 这双位非反相总线收发器使用两个独立可配置电源轨。的一个端口跟踪VCCA能设计。VCCA接受任何电源电压从1.65 V到5.5 V的端口B用于追踪VCCB。VCCB接受从1.65 V至5.5 V,这使得通用低压双向翻译任何的1.8V,3.3V电源电压2.5 V,之间,和5V电压节点。
的sn74lvc2t45是专为数据总线间的异步通信。方向的控制逻辑电平输入(DIR)或激活的B端口输出或一个端口输出。该装置传送数据总线从A到B总线当B端口输出被激活,并从B巴士到巴士当一个端口输出被激活。输入电路对A和B端口始终是积极的,必须有一个逻辑高或低的水平以防止过量应用ICC和ICCZ。
的sn74lvc2t45是这样设计的,直接输入电路是由VCCA。本装置部分电源关闭应用程序完全指定使用的电子迁移率。禁用的Ioff电路的输出,防止电流通过设备损坏回流时关机。
该VCC隔离功能确保,无论是VCC输入是在GND,两个端口都在高阻抗状态。™NanoFree包装技术是IC封装概念的重大突破,用模具包。

 
 
 

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