SN74HC139DR TI Dual 2-to-4 Decoder/Demux | 16-SOIC | 2V-6V, 8mA

Product Overview

The SN74HC139DR is a dual 2-to-4 line decoder/demultiplexer from Texas Instruments, designed for high-speed CMOS logic applications. Each decoder has two active-low enable inputs and four active-low outputs. The device is ideal for memory decoding, data routing, and demultiplexing in digital systems. It operates over a wide voltage range of 2V to 6V and offers balanced propagation delays and low power consumption.

Detailed Technical Specifications

Key Features

• Dual 2-to-4 decoder/demultiplexer with active-low outputs
• Two active-low enables per decoder for cascading
• Wide operating voltage range: 2V to 6V
• High noise immunity: VNIH = VNIL = 28% of VCC
• Low power consumption: ICC max 80µA at 6V
• Balanced propagation delays: tPHL = tPLH
• Inputs are over-voltage tolerant up to 6V
• Standard 16-SOIC package for easy PCB integration

Target Applications

• Memory address decoding in 5G base station control boards
• Data routing in automotive dashboard displays
• Demultiplexing in industrial PLC I/O modules
• Selecting peripherals in IoT gateway devices
• Code conversion in communication systems

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74HC139DR. 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

SN74HC139DR 是德州儀器推出的雙路 2 線轉 4 線解碼器/多路分配器，專為高速 CMOS 邏輯應用設計。每個解碼器具有兩個低電平有效使能輸入和四個低電平有效輸出。該器件適用於數字系統中的存儲器解碼、數據路由和多路分配。它支持 2V 至 6V 的寬電壓範圍，並提供平衡的傳播延遲和低功耗。

詳細技術參數

核心特性

• 雙路 2 線轉 4 線解碼器/多路分配器，低電平有效輸出
• 每個解碼器有兩個低電平有效使能輸入，便於級聯
• 寬工作電壓範圍：2V 至 6V
• 高抗噪能力：VNIH = VNIL = 28% VCC
• 低功耗：ICC 最大值 80µA (6V)
• 平衡傳播延遲：tPHL = tPLH
• 輸入過壓容限高達 6V
• 標準 16-SOIC 封裝，便於 PCB 集成

典型應用場景

• 5G 基站控制板中的存儲器地址解碼
• 汽車儀表盤顯示中的數據路由
• 工業 PLC I/O 模塊中的多路分配
• 物聯網網關設備中的外設選擇
• 通信系統中的代碼轉換

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SN74HC139DR 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。
• 深港聯動，結算靈活：深圳直發全球，物流高效可靠；支援香港銀行戶口轉賬及多幣種結算。
• 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.
WhatsApp: +852 5209 9691 | Email: [email protected]