SN74HC640NS TI Bus Transceiver | 20-SO | 8-Bit, Non-Inverting, 3-State

Product Overview

The SN74HC640NS is a high-performance octal bus transceiver from Texas Instruments, designed for bidirectional asynchronous communication between two data buses. It features non-inverting 3-state outputs and operates over a wide voltage range of 2V to 6V. Housed in a 20-pin SO package, this device is ideal for driving heavy capacitive loads and is compatible with TTL levels. Its robust design ensures reliable operation in industrial and automotive environments.

Detailed Technical Specifications

Key Features

• 8-bit bidirectional bus transceiver with non-inverting outputs
• 3-state outputs for bus-oriented applications
• Wide operating voltage range: 2V to 6V
• High noise immunity: typical 30% of VCC
• Low power consumption: 80 µA max ICC
• Compatible with TTL levels
• ESD protection exceeds 2000V per MIL-STD-883

Target Applications

• 5G base station control boards for data bus isolation
• Automotive dashboard display systems for signal buffering
• Industrial PLC I/O modules for bidirectional communication
• Medical equipment data acquisition systems
• Consumer electronics like smart home hubs

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74HC640NS. 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

SN74HC640NS 是德州儀器生產的高性能八路總線收發器，專為兩個數據總線之間的雙向異步通信而設計。它具有同相三態輸出，工作電壓範圍為 2V 至 6V。採用 20 引腳 SO 封裝，適合驅動重容性負載，並與 TTL 電平兼容。其堅固的設計確保在工業和汽車環境中的可靠運行。

詳細技術參數

核心特性

• 8 位雙向總線收發器，同相輸出
• 三態輸出，適用於總線應用
• 寬工作電壓範圍：2V 至 6V
• 高抗噪性：典型值為 VCC 的 30%
• 低功耗：最大 ICC 80 µA
• 與 TTL 電平兼容
• ESD 保護超過 2000V（符合 MIL-STD-883）

典型應用場景

• 5G 基站控制板中的數據總線隔離
• 汽車儀表板顯示系統中的信號緩衝
• 工業 PLC I/O 模塊中的雙向通信
• 醫療設備數據採集系統
• 消費電子產品如智能家居中心

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SN74HC640NS 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]