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Product Overview
The SN74LVTH18646APMG4 is a high-performance 18-bit bus transceiver from Texas Instruments, designed for 3.3-V systems. It features dual-supply voltage translation (3.3V to 5V tolerant inputs) and provides bidirectional asynchronous communication between two data buses. Housed in a compact 64-LQFP (10x10 mm) package, this device is ideal for high-density applications requiring low power consumption and high drive capability.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
2.7V to 3.6V |
| Input Voltage (VI) |
0V to 5.5V |
| Output Voltage (VO) |
0V to 3.6V |
| High-Level Output Current (IOH) |
-32 mA |
| Low-Level Output Current (IOL) |
64 mA |
| Propagation Delay (tpd) |
4.5 ns (max) at 3.3V |
| Operating Temperature Range |
-40°C to 85°C |
| Package |
64-LQFP (10x10 mm) |
Key Features
- 18-bit bidirectional bus transceiver with 3-state outputs
- Supports mixed-mode voltage operation (3.3V VCC with 5V tolerant inputs)
- Low static power consumption (ICC = 5 µA max)
- Bus-hold circuitry eliminates need for external pull-up resistors
- ESD protection exceeds JESD 22 (2000-V HBM, 1000-V CDM)
- Latch-up performance exceeds 100 mA 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)
- Networking equipment (e.g., router line card data paths)
- Medical imaging systems (e.g., data acquisition boards)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74LVTH18646APMG4. 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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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
SN74LVTH18646APMG4 是德州儀器的一款高性能 18 位匯流排收發器,專為 3.3V 系統設計。它支援雙電源電壓轉換(3.3V 供電,輸入可耐受 5V),並提供兩個數據匯流排之間的雙向非同步通訊。該器件採用緊湊的 64-LQFP(10x10 mm)封裝,非常適合需要低功耗和高驅動能力的高密度應用。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
2.7V 至 3.6V |
| 輸入電壓 (VI) |
0V 至 5.5V |
| 輸出電壓 (VO) |
0V 至 3.6V |
| 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) |
4.5 ns(最大)在 3.3V 時 |
| 工作溫度範圍 |
-40°C 至 85°C |
| 封裝 |
64-LQFP(10x10 mm) |
核心特性
- 18 位雙向匯流排收發器,帶三態輸出
- 支援混合電壓操作(3.3V VCC,輸入可耐受 5V)
- 低靜態功耗(ICC = 5 µA 最大)
- 匯流排保持電路無需外部上拉電阻
- ESD 保護超過 JESD 22(2000-V HBM,1000-V CDM)
- 閂鎖性能超過 100 mA(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)
- 網路設備(例如路由器線卡數據路徑)
- 醫療影像系統(例如數據採集板)
環球供應鏈與批發合作夥伴方案
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