SN74HCT257DT TI Multiplexer | 16-SOIC | 4-Channel, 2-Input

Product Overview

The SN74HCT257DT from Texas Instruments is a high-speed CMOS quad 2-input multiplexer with 3-state outputs. It features four multiplexers, each with two data inputs (A and B), a common select input (S), and a common output enable input (OE). When OE is low, the selected data is passed to the output; when OE is high, the outputs are in the high-impedance state. This device is designed for digital data routing and bus-oriented applications, offering low power consumption and high noise immunity.

Detailed Technical Specifications

Key Features

• Quad 2-input multiplexer with 3-state outputs
• Inputs are TTL-voltage compatible
• Low power consumption: ICC typically 8 µA
• High noise immunity: VNIH = VNIL = 28% of VCC
• Outputs drive up to 10 LSTTL loads
• ESD protection exceeds 2000 V per MIL-STD-883, Method 3015

Target Applications

• Data routing in 5G base stations (e.g., channel selection in control boards)
• Automotive dashboard display systems (e.g., multiplexing sensor data)
• Industrial programmable logic controllers (PLCs)
• Consumer electronics (e.g., set-top boxes, gaming consoles)
• Communication equipment (e.g., routers, switches)

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74HCT257DT. 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

SN74HCT257DT 是德州儀器（TI）生產的高速 CMOS 四路 2 輸入多路復用器，具有三態輸出。該器件包含四個多路復用器，每個有兩個數據輸入（A 和 B）、一個公共選擇輸入（S）和一個公共輸出使能輸入（OE）。當 OE 為低電平時，選中的數據傳遞到輸出；當 OE 為高電平時，輸出處於高阻抗狀態。該器件專為數字數據路由和總線應用設計，具有低功耗和高抗噪聲能力。

詳細技術參數

核心特性

• 四路 2 輸入多路復用器，帶三態輸出
• 輸入與 TTL 電平兼容
• 低功耗：ICC 典型值 8 µA
• 高抗噪聲能力：VNIH = VNIL = 28% VCC
• 輸出可驅動 10 個 LSTTL 負載
• ESD 保護超過 2000 V（MIL-STD-883 方法 3015）

典型應用場景

• 5G 基站中的數據路由（例如控制板中的通道選擇）
• 汽車儀表盤顯示系統（例如傳感器數據的多路復用）
• 工業可編程邏輯控制器（PLC）
• 消費電子產品（例如機頂盒、遊戲主機）
• 通信設備（例如路由器、交換機）

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SN74HCT257DT 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]