74AC11257N TI Multiplexer | 20-PDIP | 4-Channel, 2:1 MUX

Product Overview

The 74AC11257N from Texas Instruments is a high-speed 4-channel, 2:1 multiplexer with 3-state outputs. It is designed for digital data selection and routing in systems requiring low power consumption and high noise immunity. The device operates from a 2V to 6V supply, making it suitable for a wide range of applications. The 20-pin PDIP package ensures easy integration into through-hole PCB designs.

Detailed Technical Specifications

Key Features

• 4 independent 2:1 multiplexer channels
• 3-state outputs for bus-oriented applications
• Wide operating voltage range: 2V to 6V
• High noise immunity: typical VOH=3.7V, VOL=0.4V at VCC=5V
• Low power consumption: ICC=4μA (max)
• Compatible with TTL logic levels
• Standard 20-pin PDIP package

Target Applications

• Data routing in 5G base station control boards
• Signal selection in automotive dashboard displays
• Multiplexing in industrial PLC I/O modules
• Bus isolation in telecom switching equipment
• General-purpose digital logic in embedded systems

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for 74AC11257N. 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

74AC11257N 是德州儀器（TI）推出的一款高速4通道2:1多路復用器，具有三態輸出。該器件專為需要低功耗和高抗噪聲能力的數字數據選擇與路由系統設計。工作電壓範圍為2V至6V，適用於多種應用場景。20引腳PDIP封裝便於在通孔PCB設計中集成。

詳細技術參數

核心特性

• 4個獨立的2:1多路復用通道
• 三態輸出，適用於總線應用
• 寬工作電壓範圍：2V至6V
• 高抗噪聲能力：典型VOH=3.7V, VOL=0.4V (VCC=5V)
• 低功耗：ICC=4μA (最大值)
• 兼容TTL邏輯電平
• 標準20引腳PDIP封裝

典型應用場景

• 5G基站控制板中的數據路由
• 汽車儀表盤顯示的訊號選擇
• 工業PLC I/O模組的多路復用
• 電信交換設備的總線隔離
• 嵌入式系統中的通用數字邏輯

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 74AC11257N 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。
• 現貨庫存，即日發貨：確保現貨充足。下午 4 點前確認訂單，即可安排當天寄出。
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• Escrow 擔保交易：支援 Escrow.com 平台交易，保障買賣雙方權益，小批量訂單亦可安心在線下單。
• BOM 配單與樣板服務：提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。

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。
• 符合 RoHS 認證：所有電子元器件均符合國際環保標準及相關安全認證。
• 原廠封裝保護：嚴格保留原廠原始包裝及封條，確保物流過程中的靜電防護 (ESD) 與物理安全。

以上產品均為原廠正貨，提供 BOM 配單及現貨庫存支援，歡迎查詢。

HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
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