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Product Overview
The SN74LV139APWR from Texas Instruments is a dual 2-to-4 line decoder/demultiplexer designed for low-voltage operation. Housed in a compact 16-TSSOP package, this device is ideal for high-density digital systems requiring signal routing and address decoding. It features two independent decoders, each with active-low outputs and enable inputs, providing flexibility in memory decoding, data distribution, and control logic applications. The LV family ensures low power consumption and high noise immunity, making it suitable for battery-powered and industrial environments.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
2V to 5.5V |
| Input Voltage (VI) |
0V to 5.5V |
| Output Voltage (VO) |
0V to VCC |
| High-Level Output Current (IOH) |
-12 mA at 5V |
| Low-Level Output Current (IOL) |
12 mA at 5V |
| Propagation Delay (tpd) |
7.5 ns max at 5V, 50pF |
| Operating Temperature |
-40°C to 85°C |
| Package |
16-TSSOP |
Key Features
- Dual 2-to-4 line decoder/demultiplexer with active-low outputs
- Wide supply voltage range: 2V to 5.5V
- Low power consumption: ICC typically 20 µA
- High noise immunity: VNIH/VNIL typically 28% of VCC
- Inputs accept voltages up to 5.5V regardless of VCC
- Outputs can drive up to 12 mA at 5V
- ESD protection exceeds 2000V HBM
- Available in lead-free and RoHS-compliant package
Target Applications
- Memory address decoding in 5G base station control boards
- Data routing in automotive dashboard display systems
- Signal demultiplexing in industrial PLC modules
- Control logic in portable medical devices
- Peripheral selection in IoT gateway modules
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74LV139APWR. Our core advantages include:
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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
SN74LV139APWR 是德州儀器(TI)推出的雙路2線至4線解碼器/多路分配器,專為低電壓操作設計。採用緊湊的16-TSSOP封裝,適用於需要信號路由和地址解碼的高密度數字系統。該器件包含兩個獨立的解碼器,具有低電平有效輸出和使能輸入,為存儲器解碼、數據分配和控制邏輯應用提供靈活性。LV系列確保低功耗和高抗噪性,適合電池供電和工業環境。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
2V 至 5.5V |
| 輸入電壓 (VI) |
0V 至 5.5V |
| 輸出電壓 (VO) |
0V 至 VCC |
| 高電平輸出電流 (IOH) |
-12 mA (5V時) |
| 低電平輸出電流 (IOL) |
12 mA (5V時) |
| 傳播延遲 (tpd) |
最大7.5 ns (5V, 50pF) |
| 工作溫度 |
-40°C 至 85°C |
| 封裝 |
16-TSSOP |
核心特性
- 雙路2線至4線解碼器/多路分配器,低電平有效輸出
- 寬電源電壓範圍:2V 至 5.5V
- 低功耗:ICC 典型值 20 µA
- 高抗噪性:VNIH/VNIL 典型值為 VCC 的 28%
- 輸入可接受高達 5.5V 電壓,與 VCC 無關
- 輸出在 5V 時可驅動高達 12 mA
- ESD 保護超過 2000V HBM
- 無鉛且符合 RoHS 標準封裝
典型應用場景
- 5G基站控制板中的存儲器地址解碼
- 汽車儀表盤顯示系統中的數據路由
- 工業PLC模塊中的信號多路分配
- 便攜式醫療設備中的控制邏輯
- 物聯網網關模塊中的外設選擇
環球供應鏈與批發合作夥伴方案
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