SN74HC688DBR TI 8-Bit Identity Comparator | 20-SSOP | 2V to 6V, 5.2mA

Product Overview

The SN74HC688DBR from Texas Instruments is an 8-bit identity comparator designed for high-speed digital systems. It compares two 8-bit binary or BCD words and provides a low-level output when they are equal. Fabricated with advanced CMOS technology, it offers low power consumption and high noise immunity, making it suitable for a wide range of applications. The device operates over a supply voltage range of 2V to 6V and is available in a compact 20-SSOP package.

Detailed Technical Specifications

Key Features

• 8-bit identity comparator with enable input
• Low power consumption: 80µA (max) ICC
• High noise immunity: VNIH = VNIL = 28% of VCC (min)
• Balanced propagation delays: tPLH = tPHL
• Wide operating voltage range: 2V to 6V
• Output drive capability: 10 LSTTL loads
• ESD protection exceeds 2000V per MIL-STD-883, Method 3015

Target Applications

• Digital comparators in 5G base station control logic
• Address decoding in automotive dashboard displays
• Industrial PLC I/O modules
• Data processing in medical imaging equipment
• Memory address comparison in networking routers

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74HC688DBR. 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

SN74HC688DBR 是德州儀器 (TI) 推出的8位元恒等比較器，專為高速數位系統設計。它能比較兩個8位元二進制或BCD碼，並在相等時輸出低電平。採用先進的CMOS技術，具有低功耗和高抗噪性，適用於多種應用。工作電源電壓範圍為2V至6V，採用緊湊的20-SSOP封裝。

詳細技術參數

核心特性

• 8位元恒等比較器，帶使能輸入
• 低功耗：最大 ICC 80µA
• 高抗噪性：VNIH = VNIL = 28% VCC (最小值)
• 平衡傳播延遲：tPLH = tPHL
• 寬工作電壓範圍：2V 至 6V
• 輸出驅動能力：10個LSTTL負載
• ESD保護超過2000V，符合MIL-STD-883 Method 3015

典型應用場景

• 5G基站控制邏輯中的數位比較器
• 汽車儀表板顯示的位址解碼
• 工業PLC I/O模組
• 醫療影像設備的數據處理
• 網路路由器的記憶體位址比較

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SN74HC688DBR 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.
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