CD74ACT157BQBR TI Multiplexer | 16-WQFN (2.5X3.5) | 4.5V-5.5V, 2-Input

Product Overview

The CD74ACT157BQBR from Texas Instruments is a high-speed CMOS quad 2-input multiplexer designed for digital signal routing in systems requiring low power consumption and high noise immunity. It operates from a single 4.5V to 5.5V supply and features four independent multiplexer channels, each selecting one of two data inputs based on a common select input. The device is offered in a compact 16-WQFN (2.5x3.5mm) package, making it ideal for space-constrained applications.

Detailed Technical Specifications

Key Features

• High-speed CMOS technology with typical propagation delay of 6.5ns
• Low power consumption: 40µA max quiescent current
• Wide operating voltage range: 4.5V to 5.5V
• High noise immunity: VIH = 2V, VIL = 0.8V
• Four independent 2-input multiplexer channels
• Common select and enable inputs
• Outputs source/sink up to 24mA
• Industrial temperature range: -40°C to +125°C
• Compact 16-WQFN package (2.5x3.5mm) for space-saving designs

Target Applications

The CD74ACT157BQBR is suitable for a wide range of digital multiplexing applications, including:

• 5G base station control logic: routing control signals between multiple processors
• Automotive dashboard displays: selecting data from different sensors for display
• Industrial automation: multiplexing sensor inputs to a single ADC
• Consumer electronics: signal routing in set-top boxes and gaming consoles
• Data communication: switching between redundant data paths

Global Supply Chain & Wholesale Solutions

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產品概述

CD74ACT157BQBR 是德州儀器（TI）推出的一款高速 CMOS 四路 2 輸入多路復用器，專為需要低功耗和高抗噪能力的數字信號路由系統設計。它可在 4.5V 至 5.5V 的單電源下工作，具有四個獨立的多路復用通道，每個通道根據公共選擇輸入選擇兩個數據輸入之一。該器件採用緊湊的 16-WQFN（2.5x3.5mm）封裝，非常適合空間受限的應用。

詳細技術參數

核心特性

• 高速 CMOS 技術，典型傳播延遲 6.5ns
• 低功耗：最大靜態電流 40µA
• 寬工作電壓範圍：4.5V 至 5.5V
• 高抗噪能力：VIH = 2V，VIL = 0.8V
• 四個獨立的 2 輸入多路復用通道
• 公共選擇和使能輸入
• 輸出可提供/吸收高達 24mA 電流
• 工業溫度範圍：-40°C 至 +125°C
• 緊湊的 16-WQFN 封裝（2.5x3.5mm），節省空間

典型應用場景

CD74ACT157BQBR 適用於多種數字多路復用應用，包括：

• 5G 基站控制邏輯：在多個處理器之間路由控制信號
• 汽車儀表板顯示：選擇來自不同傳感器的數據進行顯示
• 工業自動化：將傳感器輸入復用到單個 ADC
• 消費電子：機頂盒和遊戲機中的信號路由
• 數據通信：在冗餘數據路徑之間切換

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