SN75C189NSR TI RS-232 Line Driver/Receiver | 14-SO | 4 Drivers, 5 Receivers

Product Overview

The SN75C189NSR from Texas Instruments is a quad line driver and receiver designed for RS-232 communication interfaces. It operates from a single 5V supply and features four drivers and five receivers, making it ideal for multi-channel serial data transmission. The device is housed in a 14-pin SOIC package (NSR suffix) and is characterized for operation from 0°C to 70°C.

Detailed Technical Specifications

Key Features

• Single 5V supply operation
• Four RS-232 drivers and five receivers
• Low power consumption
• ±15 kV ESD protection on driver outputs and receiver inputs
• Compliant with TIA/EIA-232-F and ITU V.28 standards
• Pb-free and RoHS compliant

Target Applications

• 5G base station control interfaces
• Industrial automation PLCs
• Point-of-sale (POS) terminals
• Medical equipment (e.g., patient monitors)
• Networking equipment (routers, switches)
• Automotive infotainment systems

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN75C189NSR. 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

SN75C189NSR 是德州儀器（TI）的一款四路線路驅動器和接收器，專為 RS-232 通信接口設計。它採用單一 5V 電源供電，包含四個驅動器和五個接收器，非常適合多通道串行數據傳輸。該器件採用 14 引腳 SOIC 封裝（NSR 後綴），工作溫度範圍為 0°C 至 70°C。

詳細技術參數

核心特性

• 單一 5V 電源供電
• 四個 RS-232 驅動器和五個接收器
• 低功耗
• 驅動器輸出和接收器輸入提供 ±15 kV ESD 保護
• 符合 TIA/EIA-232-F 和 ITU V.28 標準
• 無鉛且符合 RoHS 標準

典型應用場景

• 5G 基站控制接口
• 工業自動化 PLC
• 銷售點 (POS) 終端
• 醫療設備（如病人監護儀）
• 網絡設備（路由器、交換機）
• 汽車信息娛樂系統

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SN75C189NSR 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]