SN74CB3Q3345DBQR TI Bus Switch | 20-SSOP | 8-Bit, 2.3V-3.6V

Product Overview

The SN74CB3Q3345DBQR is a high-performance 8-bit bus switch from Texas Instruments, designed for voltage translation and signal isolation in digital systems. Housed in a compact 20-SSOP package, it features low on-state resistance (5 Ω typical) and supports bidirectional data flow with minimal propagation delay. Operating from 2.3 V to 3.6 V, it is ideal for hot-swap and bus isolation applications in telecom, networking, and computing equipment.

Detailed Technical Specifications

Key Features

• Low on-state resistance (5 Ω) minimizes signal distortion
• Bidirectional data flow with no direction control
• Supports hot insertion (power-up 3-state)
• Low power consumption (ICC = 10 μA max)
• Compatible with TTL and CMOS logic levels
• Flow-through pinout for easy PCB layout

Target Applications

• 5G base station backplane bus isolation
• Server and storage system hot-swap interfaces
• Automotive infotainment dashboard display bus switching
• Industrial PLC I/O module signal routing
• Consumer electronics (smart TV, set-top box) bus multiplexing

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74CB3Q3345DBQR. 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

SN74CB3Q3345DBQR 是德州儀器 (TI) 的高性能 8 位總線開關，專為數字系統中的電壓轉換和信號隔離而設計。採用緊湊的 20-SSOP 封裝，具有低導通電阻（典型值 5 Ω），支持雙向數據傳輸且傳播延遲極小。工作電壓範圍為 2.3 V 至 3.6 V，非常適合電信、網絡和計算設備中的熱插拔和總線隔離應用。

詳細技術參數

核心特性

• 低導通電阻（5 Ω）減少信號失真
• 雙向數據傳輸，無需方向控制
• 支持熱插入（上電三態）
• 低功耗（ICC 最大 10 μA）
• 兼容 TTL 和 CMOS 邏輯電平
• 流暢引腳排列，便於 PCB 佈局

典型應用場景

• 5G 基站背板總線隔離
• 服務器和存儲系統熱插拔接口
• 汽車信息娛樂儀表板顯示總線切換
• 工業 PLC I/O 模塊信號路由
• 消費電子（智能電視、機頂盒）總線多路復用

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SN74CB3Q3345DBQR 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]