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SN74ALS1245AN TI Bus Transceiver | 20-PDIP | 4.5V-5.5V, 8-Bit

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STM32F103C8T6NE555PLM358DRESP32-WROOM-32TL431AIDBZRAMS1117-3.3LM7805MAX3232CSEPC817CTPS5430DDAR STM32F103C8T6NE555PLM358DRESP32-WROOM-32TL431AIDBZRAMS1117-3.3LM7805MAX3232CSEPC817CTPS5430DDAR
1N40072N2222IRFZ44NFGA25N120S8050M7(1N4007)SS14TIP122AO3400IKW40N120H3 1N40072N2222IRFZ44NFGA25N120S8050M7(1N4007)SS14TIP122AO3400IKW40N120H3
ATMEGA328P-AUESP8266-12ELM2596S-ADJBC547BIRLZ44NMCP2515-I/STSN65HVD230AD8232L293DTDA7297 ATMEGA328P-AUESP8266-12ELM2596S-ADJBC547BIRLZ44NMCP2515-I/STSN65HVD230AD8232L293DTDA7297
产品描述
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Product Overview

The SN74ALS1245AN is a high-performance octal bus transceiver from Texas Instruments, designed for bidirectional asynchronous communication between data buses. It features 8-bit non-inverting data paths with 3-state outputs, allowing multiple devices to share a common bus. Operating from a 4.5V to 5.5V supply, this device is ideal for 5V logic systems requiring high drive capability and low power consumption. Housed in a 20-pin PDIP package, it offers robust performance for industrial and commercial applications.

Detailed Technical Specifications

Parameter Value
Supply Voltage (VCC) 4.5V to 5.5V
Input Voltage Range 0V to 5.5V
Output Voltage Range 0V to VCC
High-Level Output Current (IOH) -15 mA
Low-Level Output Current (IOL) 24 mA
Propagation Delay (tpd) 8 ns (max) at 5V, 50pF
Operating Temperature 0°C to 70°C
Package 20-PDIP
Logic Family ALS
Number of Bits 8
Direction Control DIR pin
Output Enable Active-low OE

Key Features

  • Bidirectional bus transceiver with 8-bit non-inverting data paths
  • 3-state outputs for bus-oriented applications
  • High drive capability: -15 mA IOH, 24 mA IOL
  • Low power consumption: typical ICC of 20 mA
  • Fast propagation delay: 8 ns max
  • Input hysteresis for improved noise margin
  • ESD protection exceeds 2000V per MIL-STD-883
  • Wide operating temperature range: 0°C to 70°C

Target Applications

  • 5G base station control boards for data bus isolation
  • Automotive dashboard display systems (infotainment clusters)
  • Industrial PLC (Programmable Logic Controller) I/O modules
  • Telecommunications switching equipment
  • Memory interface for embedded systems
  • Bus isolation in server motherboards

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74ALS1245AN. 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

SN74ALS1245AN 是德州儀器 (TI) 生產的高性能八路匯流排收發器,專為雙向異步數據匯流排通信設計。它提供 8 位非反相數據路徑和三態輸出,允許多個設備共享同一匯流排。工作電壓範圍為 4.5V 至 5.5V,適用於需要高驅動能力和低功耗的 5V 邏輯系統。採用 20 引腳 PDIP 封裝,適用於工業和商業應用。

詳細技術參數

參數 數值
電源電壓 (VCC) 4.5V 至 5.5V
輸入電壓範圍 0V 至 5.5V
輸出電壓範圍 0V 至 VCC
高電平輸出電流 (IOH) -15 mA
低電平輸出電流 (IOL) 24 mA
傳播延遲 (tpd) 8 ns (最大值,5V,50pF)
工作溫度範圍 0°C 至 70°C
封裝 20-PDIP
邏輯系列 ALS
位數 8
方向控制 DIR 引腳
輸出使能 低電平有效 OE

核心特性

  • 雙向匯流排收發器,8 位非反相數據路徑
  • 三態輸出,適用於匯流排應用
  • 高驅動能力:IOH -15 mA,IOL 24 mA
  • 低功耗:典型 ICC 20 mA
  • 快速傳播延遲:最大值 8 ns
  • 輸入遲滯,改善噪聲容限
  • ESD 保護超過 2000V(MIL-STD-883)
  • 寬工作溫度範圍:0°C 至 70°C

典型應用場景

  • 5G 基站控制板,用於數據匯流排隔離
  • 汽車儀表盤顯示系統(信息娛樂集群)
  • 工業 PLC I/O 模塊
  • 電信交換設備
  • 嵌入式系統的存儲器接口
  • 服務器主板中的匯流排隔離

環球供應鏈與批發合作夥伴方案

在 Jasin Chip,我們為 SN74ALS1245AN 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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