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TI SN74LS38245DBR

SN74LS38245DBR TI Bus Transceiver | 8-Bit, 3-State, Non-Inverting

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Product Overview

The SN74LS38245DBR is a high-performance 8-bit bus transceiver from Texas Instruments, designed for bidirectional asynchronous communication between two data buses. It features 3-state outputs, non-inverting logic, and operates from a single 5V supply. The device is ideal for memory interfacing, data communication, and bus-oriented systems requiring high drive capability and low power consumption.

Detailed Technical Specifications

Parameter Value
Supply Voltage (VCC) 4.75V to 5.25V
Input Voltage Range 0V to 5.5V
Output Current (IOL/IOH) 24mA / -15mA
Propagation Delay (tpd) 12 ns (max)
Operating Temperature 0°C to 70°C
Package SSOP (DB), 20 pins
Logic Family LS
Number of Bits 8
Output Type 3-State

Key Features

  • Bidirectional bus transceiver with non-inverting outputs
  • 3-state outputs for bus-oriented applications
  • High drive capability: 24mA sink, 15mA source
  • Low power consumption: typical ICC of 54mA
  • Wide operating voltage range: 4.75V to 5.25V
  • Input hysteresis for improved noise margin
  • Compatible with TTL logic levels
  • Available in SSOP-20 package for space-saving designs

Target Applications

  • 5G base station control boards for data bus isolation
  • Automotive dashboard display modules for signal buffering
  • Industrial PLC systems for parallel data transfer
  • Memory interfacing in embedded systems (e.g., SRAM/ROM)
  • Telecommunications equipment for backplane communication

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74LS38245DBR. 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

SN74LS38245DBR 是德州儀器推出的一款高性能8位總線收發器,專為雙向異步數據總線通信設計。它採用三態輸出、同相邏輯,並在單一5V電源下工作。該器件非常適合需要高驅動能力和低功耗的存儲器接口、數據通信及總線系統。

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 (IOL/IOH) 24mA / -15mA
傳播延遲 (tpd) 12 ns (最大值)
工作溫度 0°C 至 70°C
封裝 SSOP (DB), 20 引腳
邏輯系列 LS
位數 8
輸出類型 三態

核心特性

  • 雙向總線收發器,同相輸出
  • 三態輸出,適用於總線應用
  • 高驅動能力:24mA 灌電流,15mA 拉電流
  • 低功耗:典型 ICC 為 54mA
  • 寬工作電壓範圍:4.75V 至 5.25V
  • 輸入遲滯,改善噪聲容限
  • 兼容 TTL 邏輯電平
  • 採用 SSOP-20 封裝,節省空間

典型應用場景

  • 5G 基站控制板,用於數據總線隔離
  • 汽車儀表盤顯示模塊,用於信號緩衝
  • 工業 PLC 系統,用於並行數據傳輸
  • 嵌入式系統中的存儲器接口(如 SRAM/ROM)
  • 電信設備中的背板通信

環球供應鏈與批發合作夥伴方案

在 Jasin Chip,我們為 SN74LS38245DBR 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。

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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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