SN74HC21NS TI Dual 4-Input AND Gate | 14-SO | 2V to 6V, 5.2mA Output

Product Overview

The SN74HC21NS from Texas Instruments is a dual 4-input AND gate integrated circuit, designed for high-speed logic operations in a wide range of digital systems. Housed in a compact 14-SO package, this device operates over a supply voltage range of 2V to 6V, making it suitable for battery-powered and low-voltage applications. The SN74HC21NS features balanced propagation delays and high noise immunity, ensuring reliable performance in noisy environments. With its industry-standard pinout and compatibility with TTL logic levels, it serves as a drop-in replacement for many legacy logic families.

Detailed Technical Specifications

Key Features

• Dual 4-input AND gate configuration
• Wide operating voltage range: 2V to 6V
• High noise immunity: typical VOH=4.4V, VOL=0.1V at VCC=4.5V
• Low power consumption: ICC max 20µA
• Balanced propagation delays: tPLH and tPHL
• Compatible with TTL logic levels
• ESD protection exceeds 2000V per MIL-STD-883
• RoHS compliant and lead-free

Target Applications

• 5G base station control logic
• Automotive dashboard display controllers
• Industrial automation PLCs
• Medical device monitoring systems
• Consumer electronics like smart home hubs
• Data communication equipment

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74HC21NS. 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

SN74HC21NS 是德州儀器（TI）生產的雙路4輸入與門集成電路，專為廣泛數字系統中的高速邏輯操作而設計。該器件採用緊湊的14-SO封裝，工作電源電壓範圍為2V至6V，適用於電池供電和低電壓應用。SN74HC21NS 具有平衡的傳播延遲和高噪聲抗擾度，確保在嘈雜環境中可靠運行。憑藉其行業標準引腳排列和與TTL邏輯電平的兼容性，它可作為許多傳統邏輯系列的直接替代品。

詳細技術參數

核心特性

• 雙路4輸入與門配置
• 寬工作電壓範圍：2V 至 6V
• 高噪聲抗擾度：VCC=4.5V 時典型 VOH=4.4V, VOL=0.1V
• 低功耗：ICC 最大值 20µA
• 平衡的傳播延遲：tPLH 和 tPHL
• 與 TTL 邏輯電平兼容
• ESD 保護超過 2000V（符合 MIL-STD-883）
• 符合 RoHS 標準且無鉛

典型應用場景

• 5G 基站控制邏輯
• 汽車儀表板顯示控制器
• 工業自動化 PLC
• 醫療設備監控系統
• 消費電子產品如智能家居中樞
• 數據通信設備

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SN74HC21NS 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]