SN74LS138D TI Decoder/Demultiplexer | 16-SOIC | 3-to-8 Line, Active Low Output

Product Overview

The SN74LS138D is a high-performance 3-to-8 line decoder/demultiplexer from Texas Instruments, designed for memory decoding and data routing applications. Housed in a compact 16-SOIC package, it features three enable inputs for flexible control and active low outputs for direct interface with logic systems. This device is ideal for applications requiring minimal propagation delay and low power consumption.

Detailed Technical Specifications

Key Features

• 3-to-8 line decoder/demultiplexer with active low outputs
• Three enable inputs: two active low (E1, E2) and one active high (E3)
• Low power consumption: 32 mW (typ)
• High noise immunity: typically 40% of VCC
• Input clamp diodes for transient protection
• Standard TTL logic levels

Target Applications

• Memory address decoding in 5G base station control boards
• Data routing in automotive dashboard displays
• Industrial PLC I/O expansion modules
• Multiplexing in telecom switching equipment
• Demultiplexing in test and measurement instruments

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74LS138D. 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

SN74LS138D 是德州儀器推出的高性能3線-8線解碼器/多路分配器，採用緊湊的16-SOIC封裝，適用於存儲器解碼和數據路由應用。它配備三個使能輸入以實現靈活控制，並提供低電平有效輸出，可直接與邏輯系統接口。該器件具有極低的傳播延遲和功耗，是高性能系統的理想選擇。

詳細技術參數

核心特性

• 3線-8線解碼器/多路分配器，低電平有效輸出
• 三個使能輸入：兩個低電平有效 (E1, E2) 和一個高電平有效 (E3)
• 低功耗：典型值 32 mW
• 高抗噪能力：典型值為 VCC 的 40%
• 輸入鉗位二極管提供瞬態保護
• 標準 TTL 邏輯電平

典型應用場景

• 5G基站控制板中的存儲器地址解碼
• 汽車儀表盤顯示器的數據路由
• 工業PLC I/O擴展模塊
• 電信交換設備中的多路復用
• 測試與測量儀器中的信號分配

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SN74LS138D 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]