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SN74LS348NS TI Priority Encoder | 16-SO | 8-to-3 Line, 3-State Output

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Product Overview

The SN74LS348NS is a high-performance 8-line-to-3-line priority encoder from Texas Instruments, featuring 3-state outputs. It encodes eight data inputs to a three-bit binary code, providing priority encoding of the highest-order input. The device is designed for use in high-speed digital systems where priority encoding is required, such as interrupt controllers and data routing.

Detailed Technical Specifications

Parameter Value
Supply Voltage (VCC) 4.75V to 5.25V
Input Voltage (VI) 0V to 5.5V
Output Voltage (VO) 0V to 5.5V
High-Level Input Voltage (VIH) 2V min
Low-Level Input Voltage (VIL) 0.8V max
High-Level Output Current (IOH) -0.4mA
Low-Level Output Current (IOL) 8mA
Propagation Delay Time (tpd) 18ns typ
Operating Temperature Range 0°C to 70°C
Package 16-SO (SOIC-16)

Key Features

  • 8-line to 3-line priority encoding
  • 3-state outputs for bus-oriented systems
  • Low power consumption: 35mW typ
  • High speed: 18ns propagation delay
  • Schmitt-trigger inputs for noise immunity
  • Wide operating voltage range: 4.75V to 5.25V
  • Compatible with TTL logic levels

Target Applications

  • Interrupt priority encoders in 5G base station controllers
  • Data selection and routing in automotive dashboard displays
  • Address encoding in memory systems
  • Industrial automation PLC input modules
  • Communication protocol controllers

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74LS348NS. 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

SN74LS348NS 是德州儀器 (TI) 生產的高性能 8 線轉 3 線優先編碼器,具有三態輸出。它將八個數據輸入編碼為三位二進制代碼,並對最高優先級的輸入進行優先編碼。該器件適用於需要優先編碼的高速數字系統,如中斷控制器和數據路由。

詳細技術參數

參數 數值
電源電壓 (VCC) 4.75V 至 5.25V
輸入電壓 (VI) 0V 至 5.5V
輸出電壓 (VO) 0V 至 5.5V
高電平輸入電壓 (VIH) 最小值 2V
低電平輸入電壓 (VIL) 最大值 0.8V
高電平輸出電流 (IOH) -0.4mA
低電平輸出電流 (IOL) 8mA
傳播延遲時間 (tpd) 典型值 18ns
工作溫度範圍 0°C 至 70°C
封裝 16-SO (SOIC-16)

核心特性

  • 8 線轉 3 線優先編碼
  • 三態輸出,適用於總線系統
  • 低功耗:典型值 35mW
  • 高速:傳播延遲 18ns
  • 施密特觸發輸入,增強抗噪能力
  • 寬工作電壓範圍:4.75V 至 5.25V
  • 兼容 TTL 邏輯電平

典型應用場景

  • 5G 基站控制器中的中斷優先編碼
  • 汽車儀表盤顯示中的數據選擇與路由
  • 存儲系統中的地址編碼
  • 工業自動化 PLC 輸入模塊
  • 通信協議控制器

環球供應鏈與批發合作夥伴方案

在 Jasin Chip,我們為 SN74LS348NS 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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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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