SN74HC257DBR TI Multiplexer | 16-SSOP | 2V-6V, 4-Channel 2:1

Product Overview

The SN74HC257DBR from Texas Instruments is a high-speed CMOS quad 2-line to 1-line data selector/multiplexer with non-inverting outputs. It features four identical multiplexer stages, each selecting one of two data inputs (A or B) based on the common select input (S). The device operates over a wide supply voltage range of 2V to 6V, making it suitable for battery-powered and industrial applications. Housed in a compact 16-SSOP package, it offers low power consumption and high noise immunity typical of HC family logic.

Detailed Technical Specifications

Key Features

• Wide operating voltage range: 2V to 6V
• High noise immunity: typical VNIH = VNIL = 28% of VCC
• Low power consumption: typical ICC of 4µA
• Four independent 2:1 multiplexer channels
• Non-inverting outputs
• Standardized symmetrical output characteristics
• ESD protection exceeds 2000V per MIL-STD-883, Method 3015
• Available in 16-SSOP package for space-constrained designs

Target Applications

The SN74HC257DBR is ideal for data routing and selection in various electronic systems. Specific applications include:

• 5G Base Stations: Used for selecting between redundant data paths or configuring antenna array control signals.
• Automotive Dashboard: Multiplexing sensor inputs (e.g., temperature, pressure) to a single ADC channel.
• Industrial PLCs: Selecting between multiple input signals for processing.
• Consumer Electronics: Data bus selection in set-top boxes or gaming consoles.
• Medical Devices: Routing signals in patient monitoring systems.

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74HC257DBR. Our core advantages include:

• 24/7 Global Customer Support: Professional team providing instant quotes and technical support worldwide.
• In-stock Inventory, Same-day Shipping: We maintain localized stock; orders confirmed before 4 PM are shipped the same day.
• HK-SZ Synergy, Flexible Settlement: Direct global shipping from Shenzhen with support for HK bank transfers and multi-currency.
• Escrow Secured Transactions: We support Escrow.com for secure transactions, ensuring peace of mind for batch orders.
• BOM Kitting & Sampling Services: Specialized sourcing for testing samples and urgent shortage components.

Quality Assurance & Compliance

Jasin Chip guarantees that all delivered products are 100% original factory stock with full quality assurance and traceability.

• 100% Original & Authentic: All components are guaranteed to be authentic with strict quality control.
• RoHS Compliant: All electronic components comply with international environmental and safety standards.
• Original Factory Packaging: We maintain original factory packaging and seals to ensure ESD protection and physical integrity.

產品概述

SN74HC257DBR 是德州儀器（TI）的一款高速 CMOS 四路 2 線轉 1 線數據選擇器/多路復用器，具有同相輸出。它包含四個相同的多路復用器通道，每個通道根據公共選擇輸入（S）選擇兩個數據輸入（A 或 B）之一。該器件在 2V 至 6V 的寬電源電壓範圍內工作，適用於電池供電和工業應用。採用緊湊的 16-SSOP 封裝，具有 HC 系列邏輯典型的低功耗和高噪聲抗擾度。

詳細技術參數

核心特性

• 寬工作電壓範圍：2V 至 6V
• 高噪聲抗擾度：典型 VNIH = VNIL = 28% VCC
• 低功耗：典型 ICC 為 4µA
• 四個獨立 2:1 多路復用器通道
• 同相輸出
• 標準化對稱輸出特性
• ESD 保護超過 2000V（MIL-STD-883，方法 3015）
• 提供 16-SSOP 封裝，適用於空間受限的設計

典型應用場景

SN74HC257DBR 適用於各種電子系統中的數據路由和選擇。具體應用包括：

• 5G 基站：用於選擇冗餘數據路徑或配置天線陣列控制信號。
• 汽車儀表盤：將多個傳感器輸入（如溫度、壓力）復用到單個 ADC 通道。
• 工業 PLC：選擇多個輸入信號進行處理。
• 消費電子：機頂盒或遊戲機中的數據總線選擇。
• 醫療設備：在病人監護系統中路由信號。

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SN74HC257DBR 提供全面的供應鏈與批發解決方案。 我們的核心優勢包括：

• 全天候環球客戶支援：專業團隊為您提供即時報價及技術支援，無需漫長等待。
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品質保證與合規

Jasin Chip 承諾所有出貨產品均為原廠正貨，具備完善的品質保證及產品可追溯性。

• 100% 原廠正貨：承諾所有供應零件均為原裝現貨，品質嚴格把關，來源清晰可追溯。
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HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
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