CD74AC138E TI Decoder/Demultiplexer | 16-PDIP | 1-to-8, 3-to-8 Line

Product Overview

The CD74AC138E from Texas Instruments is a high-speed CMOS 3-to-8 line decoder/demultiplexer. It is designed for memory decoding and data routing applications where low power dissipation and high noise immunity are required. The device features three enable inputs (G1, G2A, G2B) for easy expansion and multiple output enable control. It is fabricated with advanced silicon-gate CMOS technology, providing high speed and low power consumption.

Detailed Technical Specifications

Key Features

• 3-to-8 line decoder/demultiplexer with three enable inputs
• High speed: typical propagation delay of 6.5 ns at 5V
• Low power consumption: 40 µW (max) at 5V
• Wide operating voltage range: 1.5V to 5.5V
• High noise immunity: typical VNML = VNMH = 0.7 × VCC
• Outputs can drive up to 10 LSTTL loads
• Balanced propagation delays and transition times
• Inputs accept voltages up to 5.5V regardless of VCC
• ESD protection exceeds 2000V per MIL-STD-883, Method 3015

Target Applications

• Memory decoding in 5G base station control boards
• Data routing in automotive dashboard displays
• Address decoding in industrial PLCs
• Demultiplexing in IoT sensor hubs
• Signal routing in medical imaging equipment

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for CD74AC138E. 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

CD74AC138E 是德州儀器 (TI) 的一款高速 CMOS 3 線轉 8 線解碼器/多路分配器。它專為需要低功耗和高抗噪聲的存儲器解碼和數據路由應用而設計。該器件具有三個使能輸入 (G1, G2A, G2B)，便於擴展和多輸出使能控制。它採用先進的硅柵 CMOS 技術製造，具有高速和低功耗的特點。

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
• 高速：5V 時典型傳播延遲為 6.5 ns
• 低功耗：5V 時最大 40 µW
• 寬工作電壓範圍：1.5V 至 5.5V
• 高抗噪聲：典型 VNML = VNMH = 0.7 × VCC
• 輸出可驅動多達 10 個 LSTTL 負載
• 平衡的傳播延遲和轉換時間
• 輸入電壓可達 5.5V，與 VCC 無關
• ESD 保護超過 2000V，符合 MIL-STD-883 方法 3015

典型應用場景

• 5G 基站控制板中的存儲器解碼
• 汽車儀表盤顯示中的數據路由
• 工業 PLC 中的地址解碼
• 物聯網傳感器集線器中的多路分配
• 醫療成像設備中的信號路由

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 CD74AC138E 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]