SN74LS640N3 TI Bus Transceiver | 20-PDIP | 3-State, Inverting

Product Overview

The SN74LS640N3 is a high-performance octal bus transceiver from Texas Instruments, designed for bidirectional asynchronous communication between data buses. It features 3-state outputs and inverting logic, making it ideal for bus-oriented systems. Housed in a 20-pin PDIP package, this device operates from a 5V supply and is compatible with TTL logic levels. It offers high noise immunity and low power consumption, typical of the LS family.

Detailed Technical Specifications

Key Features

• Octal bidirectional bus transceiver with inverting outputs
• 3-state outputs for bus isolation
• High noise immunity: typical 400 mV
• Low power consumption: 45 mW typ
• Inputs and outputs are TTL-compatible
• Flow-through pinout for easy PCB layout
• ESD protection exceeds 2000 V per MIL-STD-883

Target Applications

• 5G base station control boards for data bus isolation
• Automotive dashboard display modules for signal buffering
• Industrial PLC I/O modules for bidirectional data transfer
• Telecommunications switching equipment for bus arbitration
• Medical imaging systems for data acquisition interfaces

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74LS640N3. 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

SN74LS640N3 是德州儀器 (TI) 生產的高性能八路匯流排收發器，專為雙向異步數據匯流排通信設計。它具有三態輸出和反相邏輯，非常適合匯流排導向系統。該器件採用 20 引腳 PDIP 封裝，工作電壓為 5V，與 TTL 邏輯電平兼容。它繼承了 LS 系列的高噪聲容限和低功耗特點。

詳細技術參數

核心特性

• 八路雙向匯流排收發器，帶反相輸出
• 三態輸出，實現匯流排隔離
• 高噪聲容限：典型 400 mV
• 低功耗：典型 45 mW
• 輸入和輸出與 TTL 兼容
• 流暢的引腳排列，便於 PCB 佈局
• ESD 保護超過 2000 V（符合 MIL-STD-883）

典型應用場景

• 5G 基站控制板的數據匯流排隔離
• 汽車儀表盤顯示模塊的信號緩衝
• 工業 PLC I/O 模塊的雙向數據傳輸
• 電信交換設備的匯流排仲裁
• 醫療成像系統的數據採集接口

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SN74LS640N3 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]