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Product Overview
The SN74LVT646DW from Texas Instruments is a high-performance, 8-bit bus transceiver designed for asynchronous communication between data buses. It operates with a 3.3V supply voltage and features non-inverting outputs with 3-state capability, allowing for bidirectional data flow. The device is part of the LVT family, known for low-voltage operation and high drive capability. It is ideal for applications requiring high-speed data transfer and signal buffering in mixed-voltage environments.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
2.7V to 3.6V |
| Input Voltage Range |
0V to 5.5V |
| Output Voltage Range |
0V to VCC |
| High-Level Output Current (IOH) |
-32 mA |
| Low-Level Output Current (IOL) |
64 mA |
| Propagation Delay (tpd) |
3.5 ns (typical) |
| Operating Temperature Range |
-40°C to 85°C |
| Package Type |
SOIC-20 (DW) |
Key Features
- Bidirectional 8-bit bus transceiver with non-inverting outputs
- 3-state outputs for bus isolation
- Low-voltage operation (2.7V to 3.6V)
- 5V tolerant inputs for mixed-voltage systems
- High drive capability: -32 mA / 64 mA
- Fast propagation delay: 3.5 ns typical
- ESD protection exceeds JESD 22
- Latch-up performance exceeds 250 mA per JESD 17
Target Applications
- 5G base stations: data bus interfacing between baseband and RF modules
- Automotive dashboard: communication between microcontroller and display modules
- Industrial automation: PLC I/O modules and sensor interfaces
- Networking equipment: routers and switches for signal buffering
- Consumer electronics: smart TVs and gaming consoles for data routing
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74LVT646DW. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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Shenzhen with support for HK bank transfers and multi-currency.
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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.
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100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
environmental and safety standards.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
SN74LVT646DW 是德州儀器(TI)推出的一款高性能8位總線收發器,專為數據總線之間的異步通信設計。它採用3.3V供電電壓,具有同相輸出和三態功能,支持雙向數據傳輸。該器件屬於LVT系列,以低電壓操作和高驅動能力著稱,非常適合需要高速數據傳輸和信號緩衝的混合電壓環境。
詳細技術參數
| 參數 |
數值 |
| 供電電壓 (VCC) |
2.7V 至 3.6V |
| 輸入電壓範圍 |
0V 至 5.5V |
| 輸出電壓範圍 |
0V 至 VCC |
| 高電平輸出電流 (IOH) |
-32 mA |
| 低電平輸出電流 (IOL) |
64 mA |
| 傳播延遲 (tpd) |
3.5 ns(典型值) |
| 工作溫度範圍 |
-40°C 至 85°C |
| 封裝類型 |
SOIC-20 (DW) |
核心特性
- 雙向8位總線收發器,同相輸出
- 三態輸出,支持總線隔離
- 低電壓操作(2.7V 至 3.6V)
- 5V 容限輸入,適用於混合電壓系統
- 高驅動能力:-32 mA / 64 mA
- 快速傳播延遲:典型值 3.5 ns
- ESD 保護超過 JESD 22 標準
- 閂鎖性能超過 250 mA(JESD 17)
典型應用場景
- 5G 基站:基帶與射頻模塊之間的數據總線接口
- 汽車儀表盤:微控制器與顯示模塊之間的通信
- 工業自動化:PLC I/O 模塊和傳感器接口
- 網絡設備:路由器和交換機的信號緩衝
- 消費電子:智能電視和遊戲機的數據路由
環球供應鏈與批發合作夥伴方案
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我們的核心優勢包括:
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