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Product Overview
The SN74LVT18502PM is a 20-bit universal bus transceiver from Texas Instruments, designed for asynchronous communication between data buses. It operates with a supply voltage range of 2.7V to 3.6V, making it suitable for low-voltage 3.3V systems. The device features 3-state outputs and supports mixed-voltage operation, allowing interface between 3.3V and 5V logic levels. Housed in a 64-pin TSSOP package, it provides high drive capability up to 64mA, ensuring robust signal integrity in high-speed applications.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
2.7V to 3.6V |
| Input Voltage Range |
0V to 5.5V |
| Output Current (IOH/IOL) |
-32mA / 64mA |
| Propagation Delay (tpd) |
3.5ns max at 3.3V |
| Operating Temperature |
-40°C to 85°C |
| Package |
64-pin TSSOP (PM) |
| Logic Family |
LVT (Low-Voltage BiCMOS) |
| Number of Bits |
20 |
| Output Type |
3-State |
Key Features
- 20-bit bidirectional bus transceiver with direction control (DIR) and output enable (OE)
- Supports mixed-voltage operation: 3.3V to 5V translation
- High drive capability: -32mA sink, 64mA source
- Low propagation delay: 3.5ns typical at 3.3V
- Power-up 3-state outputs to prevent bus contention
- ESD protection exceeds JESD 22 (2000V HBM)
- Latch-up performance exceeds 100mA per JESD 78
Target Applications
- 5G base station control boards (e.g., interface between FPGA and backplane)
- Automotive dashboard display modules (e.g., connecting MCU to LCD driver)
- Industrial PLC I/O modules (e.g., data bus isolation)
- Telecom switching equipment (e.g., line card interface)
- Data storage systems (e.g., RAID controller bus)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74LVT18502PM. 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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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
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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
SN74LVT18502PM 是德州儀器(TI)推出的20位通用匯流排收發器,專為數據匯流排之間的異步通信設計。其工作電壓範圍為2.7V至3.6V,適用於低電壓3.3V系統。器件具有三態輸出,支持混合電壓操作,可在3.3V和5V邏輯電平之間進行介面轉換。採用64引腳TSSOP封裝,提供高達64mA的驅動能力,確保高速應用中的信號完整性。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
2.7V 至 3.6V |
| 輸入電壓範圍 |
0V 至 5.5V |
| 輸出電流 (IOH/IOL) |
-32mA / 64mA |
| 傳播延遲 (tpd) |
3.5ns 最大值 (3.3V) |
| 工作溫度 |
-40°C 至 85°C |
| 封裝 |
64引腳 TSSOP (PM) |
| 邏輯系列 |
LVT (低電壓 BiCMOS) |
| 位數 |
20 |
| 輸出類型 |
三態 |
核心特性
- 20位雙向匯流排收發器,帶方向控制 (DIR) 和輸出使能 (OE)
- 支持混合電壓操作:3.3V 至 5V 電平轉換
- 高驅動能力:-32mA 灌電流,64mA 拉電流
- 低傳播延遲:3.5ns 典型值 (3.3V)
- 上電三態輸出,防止匯流排衝突
- ESD 保護超過 JESD 22 (2000V HBM)
- 閂鎖性能超過 100mA 每 JESD 78
典型應用場景
- 5G基站控制板(例如FPGA與背板之間的介面)
- 汽車儀表盤顯示模組(例如MCU連接LCD驅動器)
- 工業PLC I/O模組(例如數據匯流排隔離)
- 電信交換設備(例如線路卡介面)
- 數據存儲系統(例如RAID控制器匯流排)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74LVT18502PM 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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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。
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