SN74ALS621A-1N TI Bus Transceiver | 20-PDIP | 8-Bit, Non-Inverting

Product Overview

The SN74ALS621A-1N is a high-performance 8-bit bus transceiver from Texas Instruments, designed for bidirectional asynchronous communication between two data buses. Housed in a 20-pin PDIP package, this device features non-inverting outputs and operates with a wide supply voltage range of 4.5V to 5.5V. It is part of the advanced low-power Schottky (ALS) logic family, offering a balance of speed and power efficiency. The SN74ALS621A-1N is ideal for applications requiring reliable data transfer with minimal propagation delay.

Detailed Technical Specifications

Key Features

• 8-bit bidirectional bus transceiver with non-inverting outputs
• Low power consumption: 10 mW typical
• High speed: 6 ns typical propagation delay
• Wide operating voltage range: 4.5V to 5.5V
• Output drive capability: -15 mA / 24 mA
• Input hysteresis for improved noise margin
• Glitch-free power-up/power-down protection
• Compatible with TTL and CMOS logic levels

Target Applications

The SN74ALS621A-1N is suitable for a variety of digital systems requiring bidirectional data transfer. Specific applications include:

• 5G base station control boards for data bus isolation
• Automotive dashboard display modules for signal buffering
• Industrial PLC (Programmable Logic Controller) I/O modules
• Telecommunications switching equipment
• Memory interface in embedded systems

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74ALS621A-1N. 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

SN74ALS621A-1N 是德州儀器（TI）推出的一款高性能8位總線收發器，採用20引腳PDIP封裝，支持雙向異步通信。該器件具有同相輸出，工作電壓範圍為4.5V至5.5V，屬於先進低功耗肖特基（ALS）邏輯系列，兼具高速與低功耗特性。SN74ALS621A-1N 適用於需要可靠數據傳輸且傳播延遲極小的應用場景。

詳細技術參數

核心特性

• 8位雙向總線收發器，同相輸出
• 低功耗：典型值10 mW
• 高速：典型傳播延遲6 ns
• 寬工作電壓範圍：4.5V至5.5V
• 輸出驅動能力：-15 mA / 24 mA
• 輸入滯回特性，改善噪聲容限
• 無毛刺的上電/掉電保護
• 兼容TTL和CMOS邏輯電平

典型應用場景

SN74ALS621A-1N 適用於需要雙向數據傳輸的多種數字系統。具體應用包括：

• 5G基站控制板中的數據總線隔離
• 汽車儀表盤顯示模塊的信號緩衝
• 工業PLC（可編程邏輯控制器）I/O模塊
• 電信交換設備
• 嵌入式系統中的存儲器接口

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SN74ALS621A-1N 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]