SN74LS279AD TI Latches | 16-SOIC | 4-Bit, Quad S-R Latch

Product Overview

The SN74LS279AD from Texas Instruments is a high-performance quad S-R latch with active-low inputs, designed for general-purpose storage applications in digital systems. It features four independent S-R latches in a single 16-SOIC package, offering low power consumption and high noise immunity typical of LS logic families. The device operates from a 5V supply and is ideal for use in control and data storage circuits.

Detailed Technical Specifications

Key Features

• Four independent S-R latches with active-low set and reset inputs
• Low power consumption: 4 mW per latch typical
• High noise immunity: typical 0.4V at Vcc=5V
• Input clamp diodes limit high-speed termination effects
• Fully compatible with TTL and CMOS logic levels
• Standard 16-pin SOIC package for space-saving designs

Target Applications

• Data storage and register in 5G base station control boards
• Latch for status indicators in automotive dashboard displays
• Debounce circuit for push-button switches in industrial control panels
• Temporary data hold in microcontroller I/O expansion
• Memory address latching in legacy computing systems

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74LS279AD. 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

SN74LS279AD 是德州儀器（TI）生產的高性能四路 S-R 鎖存器，具有低電平有效輸入，適用於數字系統中的通用存儲應用。該器件在單個 16-SOIC 封裝中集成了四個獨立的 S-R 鎖存器，具有 LS 邏輯系列典型的低功耗和高抗噪性。它工作在 5V 電源下，非常適合用於控制和數據存儲電路。

詳細技術參數

核心特性

• 四個獨立的 S-R 鎖存器，帶低電平有效置位和復位輸入
• 低功耗：每個鎖存器典型 4 mW
• 高抗噪性：Vcc=5V 時典型 0.4V
• 輸入鉗位二極管限制高速終端效應
• 完全兼容 TTL 和 CMOS 邏輯電平
• 標準 16 引腳 SOIC 封裝，節省空間

典型應用場景

• 5G 基站控制板中的數據存儲和寄存器
• 汽車儀表盤顯示中的狀態指示燈鎖存
• 工業控制面板中按鈕開關的去抖電路
• 微控制器 I/O 擴展中的臨時數據保持
• 傳統計算系統中的存儲器地址鎖存

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SN74LS279AD 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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• 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

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• 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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HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
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