CD74AC257BQBR TI Multiplexer | 16-WQFN (2.5X3.5) | 1.5V-5.5V, 4-Channel

Product Overview

The CD74AC257BQBR is a high-speed CMOS quad 2-input multiplexer from Texas Instruments, featuring non-inverting outputs and 3-state outputs for bus-oriented applications. It operates over a wide supply voltage range of 1.5V to 5.5V, making it suitable for battery-powered and low-voltage systems. The device is offered in a compact 16-WQFN (2.5x3.5mm) package, ideal for space-constrained designs.

Detailed Technical Specifications

Key Features

• Wide operating voltage range: 1.5V to 5.5V
• High speed: tpd = 6.5 ns typ at 5V
• Low power consumption: ICC = 4 µA max at 25°C
• 3-state outputs for bus-oriented applications
• Non-inverting outputs
• Compatible with TTL levels
• ESD protection exceeds 2000V per MIL-STD-883, Method 3015
• Available in space-saving WQFN package

Target Applications

• Data multiplexing in 5G base stations (e.g., signal routing in remote radio units)
• Automotive infotainment systems (e.g., dashboard display selection)
• Industrial control systems (e.g., sensor data selection)
• Portable electronics (e.g., power management routing)
• Communication equipment (e.g., network switches)

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for CD74AC257BQBR. 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

CD74AC257BQBR 是德州儀器推出的一款高速 CMOS 四路 2 輸入多路復用器，具有同相輸出和三態輸出，適用於總線導向應用。其工作電壓範圍寬（1.5V 至 5.5V），適合電池供電和低壓系統。器件採用緊湊的 16-WQFN（2.5x3.5mm）封裝，適用於空間受限的設計。

詳細技術參數

核心特性

• 寬工作電壓範圍：1.5V 至 5.5V
• 高速：tpd = 6.5 ns（典型值，5V 時）
• 低功耗：ICC = 4 µA（最大值，25°C 時）
• 三態輸出，適用於總線導向應用
• 同相輸出
• 與 TTL 電平兼容
• ESD 保護超過 2000V（MIL-STD-883，方法 3015）
• 提供節省空間的 WQFN 封裝

典型應用場景

• 5G 基站中的數據多路復用（例如，遠程射頻單元中的信號路由）
• 汽車信息娛樂系統（例如，儀表板顯示選擇）
• 工業控制系統（例如，傳感器數據選擇）
• 便攜式電子設備（例如，電源管理路由）
• 通信設備（例如，網絡交換機）

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 CD74AC257BQBR 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]