SN74ALS138ADR TI Decoder/Demultiplexer | 16-SOIC | 3-to-8 Line, 4.5V-5.5V

Product Overview

The SN74ALS138ADR is a high-performance 3-to-8 line decoder/demultiplexer from Texas Instruments, designed for use in high-speed memory decoding and data routing applications. Fabricated with advanced low-power Schottky technology, this device offers a perfect balance of speed and power efficiency. It is housed in a compact 16-SOIC package, making it suitable for space-constrained designs. The SN74ALS138ADR operates over a wide voltage range of 4.5V to 5.5V and features three enable inputs for flexible control, including two active-low and one active-high enable.

Detailed Technical Specifications

Key Features

• 3-to-8 line decoder/demultiplexer with three enable inputs
• Low power consumption: 19 mW (typical)
• High speed: 12 ns typical propagation delay
• Schottky diode clamped for high performance
• Wide operating voltage range: 4.5V to 5.5V
• Output drive capability: 24 mA sink, -2.6 mA source
• Compatible with TTL logic levels
• Available in 16-SOIC package for surface mount

Target Applications

The SN74ALS138ADR is ideal for a variety of applications including memory address decoding in microcontrollers and DSPs, data routing in communication systems, and control logic in industrial automation. Specific examples include use in 5G base station control boards, automotive dashboard display controllers, programmable logic controllers (PLCs), and network routers for signal demultiplexing.

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74ALS138ADR. 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

SN74ALS138ADR 是德州儀器（TI）推出的一款高性能3線轉8線解碼器/多路分配器，採用先進的低功耗肖特基技術，在速度和功耗之間實現了完美平衡。該器件採用緊湊的16-SOIC封裝，適合空間受限的設計。SN74ALS138ADR 的工作電壓範圍為4.5V至5.5V，並具有三個使能輸入（兩個低電平有效和一個高電平有效），提供靈活的控制方式。

詳細技術參數

核心特性

• 3線轉8線解碼器/多路分配器，帶三個使能輸入
• 低功耗：典型值19 mW
• 高速：典型傳播延遲12 ns
• 肖特基二極管鉗位，性能優異
• 寬工作電壓範圍：4.5V至5.5V
• 輸出驅動能力：24 mA 灌電流，-2.6 mA 拉電流
• 兼容TTL邏輯電平
• 採用16-SOIC表面貼裝封裝

典型應用場景

SN74ALS138ADR 適用於多種應用，包括微控制器和DSP中的存儲器地址解碼、通信系統中的數據路由以及工業自動化中的控制邏輯。具體實例包括5G基站控制板、汽車儀表盤顯示控制器、可編程邏輯控制器（PLC）以及網絡路由器中的信號多路分配。

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SN74ALS138ADR 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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• 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。
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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]