SNJ54HC688FK TI Comparators | 8-Bit Identity Comparator, 2V-6V, -55°C to +125°C

Product Overview

The SNJ54HC688FK is a high-speed 8-bit identity comparator from Texas Instruments, designed for military and aerospace applications. It compares two 8-bit binary or BCD words and provides a low-level output when they are equal. Fabricated with advanced silicon-gate CMOS technology, it offers the high noise immunity and low power consumption typical of HC devices, while operating over the full military temperature range of -55°C to +125°C. The device is available in a 20-pin ceramic flatpack (FK package) and is fully specified for radiation-hardened applications.

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
• Balanced propagation delays: tPLH = tPHL
• Wide operating voltage range: 2V to 6V
• Military temperature range: -55°C to +125°C
• Radiation-hardened design
• Compatible with TTL logic levels

Target Applications

The SNJ54HC688FK is ideal for high-reliability systems requiring precise data comparison. Specific applications include:

• 5G base station control logic
• Avionics flight control systems
• Military radar signal processing
• Satellite communication systems
• Industrial automation with extended temperature requirements
• Automotive engine control units (ECUs) for off-road vehicles

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SNJ54HC688FK. 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

SNJ54HC688FK 是一款來自德州儀器的高速8位元身份比較器，專為軍用和航太應用設計。它比較兩個8位元二進位或BCD碼字，並在相等時輸出低電平。採用先進的矽柵CMOS技術製造，具有HC器件典型的高抗擾度和低功耗特性，並可在-55°C至+125°C的完整軍用溫度範圍內工作。該器件採用20引腳陶瓷扁平封裝（FK封裝），並完全針對抗輻射應用進行了規格化。

詳細技術參數

核心特性

• 8位元身份比較器，帶使能輸入
• 低功耗：最大 ICC 80µA
• 高抗擾度：VNIH = VNIL = 28% VCC
• 平衡傳播延遲：tPLH = tPHL
• 寬工作電壓範圍：2V 至 6V
• 軍用溫度範圍：-55°C 至 +125°C
• 抗輻射設計
• 與TTL邏輯電平相容

典型應用場景

SNJ54HC688FK 適用於需要精確數據比較的高可靠性系統。具體應用包括：

• 5G基站控制邏輯
• 航空電子飛行控制系統
• 軍用雷達信號處理
• 衛星通信系統
• 需要寬溫範圍的工業自動化
• 越野車輛的汽車發動機控制單元 (ECU)

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SNJ54HC688FK 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。
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• 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。
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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]