SN74F521DW TI Comparator | 20-SOIC | 8-Bit, Identity, Active Low

Product Overview

The SN74F521DW from Texas Instruments is a high-speed 8-bit identity comparator designed for digital systems requiring fast and accurate comparison of two 8-bit words. Fabricated with advanced bipolar technology, this device provides a propagation delay of typically 10 ns, making it suitable for high-performance computing and communication systems. The comparator outputs an active-low signal when the two inputs (P and Q) are equal, enabling efficient data validation and error detection. Housed in a 20-pin SOIC package, the SN74F521DW offers a compact solution for space-constrained applications.

Detailed Technical Specifications

Key Features

• 8-bit identity comparison with active-low output
• High speed: typical propagation delay of 10 ns
• Low power consumption: 50 mW typical
• Wide operating voltage range: 4.5 V to 5.5 V
• Open-collector output for wired-OR connection
• Input clamp diodes limit high-speed termination effects
• Compatible with TTL logic levels

Target Applications

• Data processing in 5G base stations (e.g., address decoding in control modules)
• Automotive dashboard display systems (e.g., comparing sensor data)
• Industrial automation controllers (e.g., PLC input validation)
• Network routers and switches (e.g., packet header comparison)
• Memory address comparison in embedded systems

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74F521DW. 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

SN74F521DW 是德州儀器（TI）生產的高速8位元恒等比較器，專為需要快速準確比較兩個8位元字元的數位系統設計。採用先進的雙極工藝製造，典型傳播延遲僅10 ns，適用於高性能計算和通信系統。當兩個輸入（P和Q）相等時，比較器輸出低電平有效信號，實現高效的數據驗證和錯誤檢測。採用20引腳SOIC封裝，為空間受限的應用提供緊湊解決方案。

詳細技術參數

核心特性

• 8位元恒等比較，低電平有效輸出
• 高速：典型傳播延遲10 ns
• 低功耗：典型50 mW
• 寬工作電壓範圍：4.5 V 至 5.5 V
• 開集電極輸出，支援線與連接
• 輸入鉗位二極體限制高速終端效應
• 與TTL邏輯電平相容

典型應用場景

• 5G基站中的數據處理（例如控制模組的位址解碼）
• 汽車儀錶盤顯示系統（例如感測器數據比較）
• 工業自動化控制器（例如PLC輸入驗證）
• 網路路由器和交換機（例如封包頭比較）
• 嵌入式系統中的記憶體位址比較

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SN74F521DW 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]