SN74LS642DW TI Bus Transceiver | 20-SOIC | 3-State, Inverting

Product Overview

The SN74LS642DW is a high-performance octal bus transceiver from Texas Instruments, designed for bidirectional asynchronous communication between data buses. It features inverting 3-state outputs and operates from a single 5V supply. Housed in a 20-pin SOIC package, this device is ideal for bus-oriented systems requiring high drive capability and noise immunity.

Detailed Technical Specifications

Key Features

• Bidirectional bus transceiver with inverting 3-state outputs
• High-impedance outputs when disabled
• Low power consumption: 50 mW typ
• Schmitt-trigger inputs for noise immunity
• Compatible with TTL logic levels
• Industry-standard 20-SOIC package

Target Applications

• 5G base station control logic
• Automotive dashboard display interfaces
• Industrial PLC backplane communication
• Data acquisition systems
• Memory bus buffering

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74LS642DW. 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

SN74LS642DW 是德州儀器生產的高性能八路總線收發器，專為數據總線之間的雙向異步通信而設計。它具有反相三態輸出，並在單一 5V 電源下工作。該器件採用 20 引腳 SOIC 封裝，非常適合需要高驅動能力和抗噪聲能力的總線系統。

詳細技術參數

核心特性

• 雙向總線收發器，帶反相三態輸出
• 禁用時輸出為高阻抗
• 低功耗：典型值 50 mW
• 施密特觸發輸入，增強抗噪聲能力
• 兼容 TTL 邏輯電平
• 行業標準 20-SOIC 封裝

典型應用場景

• 5G 基站控制邏輯
• 汽車儀表盤顯示接口
• 工業 PLC 背板通信
• 數據採集系統
• 存儲器總線緩衝

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SN74LS642DW 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]