SN74HC646DWR TI Bus Transceiver | 24-SOIC | 8-Bit, Non-Inverting, 3-State

Product Overview

The SN74HC646DWR from Texas Instruments is a high-performance octal bus transceiver and register designed for asynchronous communication between data buses. It features non-inverting 3-state outputs and operates from a 2V to 6V supply, making it suitable for a wide range of digital systems. The device integrates eight D-type flip-flops with separate input and output buses, allowing data flow in either direction. Housed in a 24-pin SOIC package, it is ideal for space-constrained applications requiring bidirectional data transfer and storage.

Detailed Technical Specifications

Key Features

• 8-bit bidirectional bus transceiver with register
• Non-inverting 3-state outputs
• Separate input and output buses for flexible data flow
• Wide operating voltage range: 2V to 6V
• High noise immunity: typical VOH=4.5V, VOL=0.1V at VCC=4.5V
• Low power consumption: ICC=80µA (max) at VCC=6V
• Compatible with TTL levels
• ESD protection exceeds 2000V per MIL-STD-883

Target Applications

The SN74HC646DWR is ideal for use in 5G base stations for data bus isolation and buffering, automotive dashboard displays for signal conditioning, industrial PLCs for I/O expansion, and telecommunications equipment for bidirectional data transfer. It is also suitable for memory interfacing, microcontroller bus systems, and general-purpose digital logic applications requiring registered transceivers.

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74HC646DWR. Our core advantages include:

• 24/7 Global Customer Support: Professional team providing instant quotes and technical support worldwide.
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• BOM Kitting & Sampling Services: Specialized sourcing for testing samples and urgent shortage components.

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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

SN74HC646DWR 是德州儀器 (TI) 生產的高性能八路雙向匯流排收發器與寄存器，專為數據匯流排之間的非同步通信設計。它具有同相三態輸出，工作電壓範圍為 2V 至 6V，適用於各種數位系統。該器件整合了八個 D 型觸發器，帶有獨立的輸入和輸出匯流排，允許數據雙向傳輸。採用 24 引腳 SOIC 封裝，適合空間受限且需要雙向數據傳輸與存儲的應用。

詳細技術參數

核心特性

• 8 位雙向匯流排收發器帶寄存器
• 同相三態輸出
• 獨立的輸入和輸出匯流排，靈活數據流
• 寬工作電壓範圍：2V 至 6V
• 高抗噪能力：典型 VOH=4.5V, VOL=0.1V 在 VCC=4.5V 時
• 低功耗：ICC=80µA (最大值) 在 VCC=6V 時
• 與 TTL 電平兼容
• ESD 保護超過 2000V，符合 MIL-STD-883

典型應用場景

SN74HC646DWR 適用於 5G 基站中的數據匯流排隔離與緩衝、汽車儀表盤顯示的信號調理、工業 PLC 的 I/O 擴展，以及電信設備中的雙向數據傳輸。它還可用於存儲器接口、微控制器匯流排系統，以及需要寄存器收發器的通用數位邏輯應用。

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SN74HC646DWR 提供全面的供應鏈與批發解決方案。 我們的核心優勢包括：

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• 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
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