SNJ54HC21FK TI Logic Gates | 20-LCCC (8.89X8.89) | Dual 4-Input AND Gate, 2V to 6V

Product Overview

The SNJ54HC21FK is a high-speed dual 4-input AND gate from Texas Instruments, fabricated using advanced silicon-gate CMOS technology. It operates over a wide voltage range of 2V to 6V, providing compatibility with TTL logic levels while maintaining low power consumption. Housed in a 20-lead ceramic leadless chip carrier (LCCC) package measuring 8.89mm x 8.89mm, this device is designed for harsh environments requiring high reliability and radiation tolerance. The SNJ54HC21FK features balanced propagation delays and high noise immunity, making it suitable for critical applications in aerospace, defense, and industrial systems.

Detailed Technical Specifications

Key Features

• Dual 4-input AND gate function
• Wide operating voltage range: 2V to 6V
• High noise immunity: typical VNH = VNL = 28% of VCC
• Low power consumption: 20µW (max) at VCC=5V
• Balanced propagation delays: tPLH ≈ tPHL
• TTL-compatible inputs and outputs
• Radiation-tolerant design for space applications
• Hermetic ceramic package for high reliability
• Operating temperature range: -55°C to +125°C

Target Applications

• 5G base station control logic
• Satellite communication systems
• Avionics flight control computers
• Military radar signal processing
• Industrial automation PLCs
• Automotive engine control units (ECUs)
• Medical imaging equipment
• High-reliability data acquisition systems

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SNJ54HC21FK. 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

SNJ54HC21FK 是德州儀器（TI）推出的高速雙路4輸入與門，採用先進的矽柵CMOS工藝製造。它可在2V至6V的寬電壓範圍內工作，兼容TTL邏輯電平，同時保持低功耗。器件採用20引腳陶瓷無引線芯片承載封裝（LCCC），尺寸為8.89mm x 8.89mm，專為需要高可靠性和抗輻射的惡劣環境設計。SNJ54HC21FK 具有平衡的傳播延遲和高噪聲抗擾度，適用於航空航天、國防和工業系統中的關鍵應用。

詳細技術參數

核心特性

• 雙路4輸入與門功能
• 寬工作電壓範圍：2V 至 6V
• 高噪聲抗擾度：典型 VNH = VNL = 28% VCC
• 低功耗：在 VCC=5V 時最大 20µW
• 平衡傳播延遲：tPLH ≈ tPHL
• TTL 兼容輸入和輸出
• 抗輻射設計，適用於太空應用
• 密封陶瓷封裝，高可靠性
• 工作溫度範圍：-55°C 至 +125°C

典型應用場景

• 5G基站控制邏輯
• 衛星通信系統
• 航空電子飛行控制計算機
• 軍用雷達信號處理
• 工業自動化PLC
• 汽車發動機控制單元 (ECU)
• 醫療成像設備
• 高可靠性數據採集系統

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SNJ54HC21FK 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。
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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。

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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
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