SN74AHC138DBR TI Decoder/Demultiplexer | 16-SSOP | 3-to-8 Line, 2V to 5.5V

Product Overview

The SN74AHC138DBR is a high-performance 3-to-8 line decoder/demultiplexer from Texas Instruments, designed for low-power and high-speed applications. Housed in a compact 16-SSOP package, this device is ideal for memory decoding, data routing, and control logic in various electronic systems. It operates over a wide supply voltage range of 2V to 5.5V, making it suitable for both battery-powered and industrial applications.

Detailed Technical Specifications

Key Features

• 3-to-8 line decoder/demultiplexer function
• Low power consumption: 10 µA max ICC
• High noise immunity: VNIH = VNIL = 28% of VCC
• Balanced propagation delays: tPLH ≈ tPHL
• Supports mixed-mode voltage operation: 5V input to 3.3V output
• ESD protection exceeds JESD 22 (2000-V Human-Body Model)
• Latch-up performance exceeds 250 mA per JESD 78

Target Applications

• Memory decoding in 5G base stations (e.g., decoding address lines for FPGA configuration)
• Data routing in automotive dashboard displays (e.g., selecting sensor inputs)
• Control logic in industrial PLCs (e.g., enabling peripheral modules)
• Signal demultiplexing in IoT gateways (e.g., routing UART signals)
• Address decoding in networking equipment (e.g., switch fabric control)

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74AHC138DBR. 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

SN74AHC138DBR 是德州儀器（TI）推出的一款高性能3線-8線解碼器/多路分配器，採用緊湊的16-SSOP封裝，專為低功耗和高速應用設計。該器件可在2V至5.5V的寬電源電壓範圍內工作，適用於電池供電和工業應用。

詳細技術參數

核心特性

• 3線-8線解碼器/多路分配器功能
• 低功耗：最大ICC為10 µA
• 高抗噪性：VNIH = VNIL = 28% VCC
• 平衡傳播延遲：tPLH ≈ tPHL
• 支持混合電壓操作：5V輸入轉3.3V輸出
• ESD保護超過JESD 22（2000-V人體模型）
• 閂鎖性能超過250 mA（JESD 78）

典型應用場景

• 5G基站中的存儲器解碼（例如，解碼FPGA配置的地址線）
• 汽車儀表盤顯示中的數據路由（例如，選擇傳感器輸入）
• 工業PLC中的控制邏輯（例如，使能外設模塊）
• 物聯網網關中的信號多路分配（例如，路由UART信號）
• 網絡設備中的地址解碼（例如，交換矩陣控制）

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SN74AHC138DBR 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]