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SN74LS244DWR TI Buffer/Driver | 20-SOIC | 8-Ch, Non-Inverting

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产品描述
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Product Overview

The SN74LS244DWR is a high-performance octal buffer and line driver designed by Texas Instruments (TI) for 5V logic systems. It features eight non-inverting buffers with three-state outputs, organized as two 4-bit sections with independent output enable controls. Housed in a 20-pin SOIC package, this device is ideal for driving bus lines or buffering memory address registers. Its low-power Schottky (LS) technology ensures high speed and low power consumption, making it suitable for a wide range of industrial and commercial applications.

Detailed Technical Specifications

Parameter Value
Supply Voltage (VCC) 4.75V to 5.25V
Input Voltage Range 0V to 5.5V
Output Current (per channel) ±24 mA (sink/source)
Propagation Delay (tpd) 18 ns (max) at 5V, 15pF load
Operating Temperature 0°C to 70°C
Package 20-SOIC (DWR)
Logic Family LS (Low-Power Schottky)
Number of Channels 8 (non-inverting)
Output Type 3-State

Key Features

  • Eight non-inverting buffers with 3-state outputs
  • Two independent 4-bit sections with separate output enable (OE) pins
  • Low power consumption: 45 mW typical
  • High noise immunity: typical VNH = 0.5V
  • Inputs are TTL-compatible
  • Outputs sink/source 24 mA
  • Wide operating temperature range: 0°C to 70°C
  • Industry-standard 20-SOIC package for surface-mount assembly

Target Applications

  • 5G base station control logic: buffering address and data buses between baseband processors and RF modules
  • Automotive dashboard display: driving LED indicators and segment displays in instrument clusters
  • Industrial PLC (Programmable Logic Controller): interfacing sensors and actuators with logic controllers
  • Telecommunications equipment: line driving for backplane buses in routers and switches
  • Medical devices: buffering signals in patient monitoring systems

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74LS244DWR. 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

SN74LS244DWR 是德州儀器(TI)生產的高性能八路緩衝器和線路驅動器,專為5V邏輯系統設計。它包含八個同相緩衝器,具有三態輸出,並組織為兩個獨立的4位元部分,每個部分有獨立的輸出使能控制。採用20引腳SOIC封裝,此器件非常適合驅動匯流排或緩衝記憶體位址暫存器。其低功耗肖特基(LS)技術確保了高速和低功耗,適用於廣泛的工業和商業應用。

詳細技術參數

參數 數值
電源電壓 (VCC) 4.75V 至 5.25V
輸入電壓範圍 0V 至 5.5V
輸出電流(每通道) ±24 mA(灌/拉)
傳播延遲 (tpd) 18 ns(最大值)在5V,15pF負載
工作溫度 0°C 至 70°C
封裝 20-SOIC (DWR)
邏輯系列 LS(低功耗肖特基)
通道數 8(同相)
輸出類型 三態

核心特性

  • 八個同相緩衝器,帶三態輸出
  • 兩個獨立的4位元部分,帶有單獨的輸出使能(OE)引腳
  • 低功耗:典型45 mW
  • 高抗噪性:典型VNH = 0.5V
  • 輸入與TTL相容
  • 輸出灌/拉電流24 mA
  • 寬工作溫度範圍:0°C 至 70°C
  • 業界標準20-SOIC封裝,適合表面貼裝

典型應用場景

  • 5G基站控制邏輯:緩衝基帶處理器與射頻模組之間的位址和資料匯流排
  • 汽車儀表板顯示:驅動儀表組中的LED指示燈和段式顯示器
  • 工業PLC(可程式邏輯控制器):連接感測器和執行器與邏輯控制器
  • 電信設備:驅動路由器與交換機中的背板匯流排
  • 醫療設備:在病人監護系統中緩衝信號

環球供應鏈與批發合作夥伴方案

在 Jasin Chip,我們為 SN74LS244DWR 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。

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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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  • 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。

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HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]

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