SN74HC138DBR TI Decoder/Demultiplexer | 16-SSOP | 3-to-8 Line, 2V-6V

Product Overview

The SN74HC138DBR from Texas Instruments is a high-performance 3-to-8 line decoder/demultiplexer designed for digital logic applications. It features three binary select inputs (A, B, C) and three enable inputs (G1, G2A, G2B) to provide eight mutually exclusive active-low outputs (Y0–Y7). The device is fabricated using advanced CMOS technology, offering low power consumption and high noise immunity. It operates over a wide voltage range of 2V to 6V, making it suitable for battery-powered and industrial systems. The compact 16-SSOP package enables space-efficient PCB designs.

Detailed Technical Specifications

Key Features

• 3-to-8 line decoder/demultiplexer with active-low outputs
• Three enable inputs for flexible control
• Wide operating voltage range: 2V to 6V
• Low power consumption: ICC typically 4 µA
• High noise immunity: typical VNML = 0.3 × VCC, VNMH = 0.3 × VCC
• Balanced propagation delays and transition times
• Inputs accept voltages up to VCC
• Outputs can drive up to 10 LSTTL loads
• ESD protection exceeds 2000V per MIL-STD-883, Method 3015

Target Applications

• 5G base station control logic: Address decoding for multiple RF modules
• Automotive dashboard display: Selecting segments in LED/LCD driver circuits
• Industrial automation: I/O expansion for PLCs
• Consumer electronics: Memory address decoding in gaming consoles
• Medical devices: Multiplexing sensor inputs in patient monitors

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74HC138DBR. 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

SN74HC138DBR 是德州儀器（TI）推出的高性能3線-8線解碼器/多路分配器，專為數字邏輯應用設計。它包含三個二進制選擇輸入（A、B、C）和三個使能輸入（G1、G2A、G2B），可提供八個互斥的低電平有效輸出（Y0–Y7）。該器件採用先進的CMOS工藝，具有低功耗和高抗噪聲能力。工作電壓範圍寬（2V至6V），適用於電池供電和工業系統。緊湊的16-SSOP封裝有助於節省PCB空間。

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，靈活控制
• 寬工作電壓範圍：2V 至 6V
• 低功耗：ICC 典型值 4 µA
• 高抗噪聲能力：典型 VNML = 0.3 × VCC，VNMH = 0.3 × VCC
• 平衡的傳播延遲和轉換時間
• 輸入可接受高達 VCC 的電壓
• 輸出可驅動多達 10 個 LSTTL 負載
• ESD 保護超過 2000V（MIL-STD-883，方法3015）

典型應用場景

• 5G基站控制邏輯：多個射頻模塊的地址解碼
• 汽車儀表盤顯示：LED/LCD驅動電路中的段選擇
• 工業自動化：PLC的I/O擴展
• 消費電子：遊戲機中的存儲器地址解碼
• 醫療設備：病人監護儀中的傳感器輸入多路復用

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SN74HC138DBR 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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• 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。
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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]