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Product Overview
The SN74LVCR2245ADGVR is a high-performance 8-bit bus transceiver from Texas Instruments, designed for 3.3V operation with 5V tolerant I/Os. Housed in a compact 20-TVSOP package, it provides bidirectional data flow between two buses (A and B) with direction control via the DIR pin. The output-enable (OE) pin disables both ports for bus isolation. This device is ideal for mixed-voltage systems and supports partial-power-down applications using Ioff circuitry.
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 |
| Propagation Delay (tpd) |
4.5 ns (max) at 3.3V |
| Output Drive Current |
±12 mA at 3.3V |
| Operating Temperature |
-40°C to 85°C |
| Package |
20-TVSOP (4.4mm x 6.5mm) |
| Logic Family |
LVCR (Low-Voltage CMOS with Bus Hold) |
Key Features
- Bidirectional 8-bit bus transceiver with 3-state outputs
- 5V tolerant inputs and outputs for mixed-voltage systems
- Bus-hold circuitry eliminates external pull-up resistors
- Ioff supports partial-power-down mode
- ESD protection exceeds JESD 22 (2000V HBM, 1000V CDM)
- Low power consumption: ICC = 10 µA (max)
- Packaged in space-saving 20-TVSOP
Target Applications
- 5G base station control boards (e.g., data bus isolation between FPGA and processor)
- Automotive dashboard display modules (e.g., connecting MCU to LCD driver)
- Industrial PLC I/O modules (e.g., level translation between 3.3V and 5V sensors)
- Networking equipment (e.g., router backplane signal buffering)
- Consumer electronics (e.g., smart TV mainboard bus interface)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74LVCR2245ADGVR. 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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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
SN74LVCR2245ADGVR 是德州儀器 (TI) 的一款高性能 8 位總線收發器,專為 3.3V 操作設計,並支持 5V 容限 I/O。採用緊湊的 20-TVSOP 封裝,通過 DIR 引腳控制雙向數據流,OE 引腳可禁用兩個端口以實現總線隔離。該器件非常適合混合電壓系統,並通過 Ioff 電路支持部分斷電應用。
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 |
| 輸出電壓範圍 |
0V 至 VCC |
| 傳播延遲 (tpd) |
4.5 ns (最大值) 在 3.3V |
| 輸出驅動電流 |
±12 mA 在 3.3V |
| 工作溫度 |
-40°C 至 85°C |
| 封裝 |
20-TVSOP (4.4mm x 6.5mm) |
| 邏輯系列 |
LVCR (低電壓 CMOS 帶總線保持) |
核心特性
- 雙向 8 位總線收發器,帶三態輸出
- 5V 容限輸入和輸出,適用於混合電壓系統
- 總線保持電路,無需外部上拉電阻
- Ioff 支持部分斷電模式
- ESD 保護超過 JESD 22 (2000V HBM, 1000V CDM)
- 低功耗:ICC = 10 µA (最大值)
- 採用節省空間的 20-TVSOP 封裝
典型應用場景
- 5G 基站控制板(例如 FPGA 與處理器之間的數據總線隔離)
- 汽車儀表盤顯示模塊(例如 MCU 連接 LCD 驅動器)
- 工業 PLC I/O 模塊(例如 3.3V 與 5V 傳感器之間電平轉換)
- 網絡設備(例如路由器背板信號緩衝)
- 消費電子(例如智能電視主板總線接口)
環球供應鏈與批發合作夥伴方案
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