SN74LS279ANS TI Logic | Quad SR Latch | 4.75V-5.25V, 8mA Output

Product Overview

The SN74LS279ANS is a quad SR latch from Texas Instruments, designed for general-purpose storage applications. It features four independent SR latches with active-low set and reset inputs. The device operates from a 5V supply and offers typical propagation delays of 15ns. Housed in a 16-pin SOP package, it is suitable for high-density PCB designs.

Detailed Technical Specifications

Key Features

• Quad SR latch with active-low set and reset
• Schottky-clamped transistors for high speed
• Typical power dissipation of 45 mW
• Input clamp diodes limit negative input transients
• Direct replacement for 74LS279

Target Applications

• Data storage in 5G base station control logic
• Latch circuits in automotive dashboard displays
• Register files in industrial PLCs
• Debounce circuits for push-button interfaces
• Memory address latching in legacy systems

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74LS279ANS. 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

SN74LS279ANS 是德州儀器推出的四路 SR 鎖存器，適用於通用存儲應用。它包含四個獨立的 SR 鎖存器，具有低電平有效的置位和復位輸入。器件工作在 5V 電源下，典型傳播延遲為 15ns。採用 16 引腳 SOP 封裝，適合高密度 PCB 設計。

詳細技術參數

核心特性

• 四路 SR 鎖存器，帶低電平有效置位和復位
• 肖特基箝位晶體管，實現高速
• 典型功耗 45 mW
• 輸入箝位二極管限制負向輸入瞬態
• 可直接替代 74LS279

典型應用場景

• 5G 基站控制邏輯中的數據存儲
• 汽車儀表盤顯示中的鎖存電路
• 工業 PLC 中的寄存器文件
• 按鈕接口的去抖電路
• 舊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 SN74LS279ANS 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]