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Product Overview
The SN74LV139ADR from Texas Instruments is a dual 2-to-4 line decoder/demultiplexer designed for low-voltage (2V to 5.5V) operation. It features two independent decoders, each accepting two binary inputs and providing four mutually exclusive active-low outputs. The device is ideal for memory decoding, data routing, and general-purpose logic applications. Housed in a 16-SOIC package, it offers a compact solution for space-constrained designs.
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 Input Voltage (VIH) |
1.5V (min) at VCC=3V |
| Low-Level Input Voltage (VIL) |
0.5V (max) at VCC=3V |
| High-Level Output Current (IOH) |
-4mA at VCC=3V |
| Low-Level Output Current (IOL) |
4mA at VCC=3V |
| Propagation Delay (tpd) |
7.5ns (typ) at VCC=3.3V, CL=50pF |
| Operating Temperature |
-40°C to 85°C |
| Package |
16-SOIC |
Key Features
- Dual 2-to-4 line decoder/demultiplexer
- Low-voltage operation: 2V to 5.5V
- Active-low outputs for easy interface
- Typical propagation delay of 7.5ns at 3.3V
- Low power consumption: ICC of 20µA (max)
- Inputs accept voltages up to 5.5V
- ESD protection exceeds 2000V (HBM)
- Available in 16-SOIC package
Target Applications
- Memory decoding in 5G base stations (e.g., decoding address lines for FPGA configuration)
- Data routing in automotive dashboard displays (e.g., selecting sensor inputs)
- General-purpose logic in industrial control systems
- Signal demultiplexing in communication equipment
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74LV139ADR. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
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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
SN74LV139ADR 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(2V至5.5V)操作設計。它包含兩個獨立的解碼器,每個解碼器接受兩個二進制輸入,並提供四個互斥的低電平有效輸出。該器件非常適合存儲器解碼、數據路由和通用邏輯應用。採用16-SOIC封裝,為空間受限的設計提供了緊湊的解決方案。
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 |
| 高電平輸入電壓 (VIH) |
1.5V (最小值) 在 VCC=3V 時 |
| 低電平輸入電壓 (VIL) |
0.5V (最大值) 在 VCC=3V 時 |
| 高電平輸出電流 (IOH) |
-4mA 在 VCC=3V 時 |
| 低電平輸出電流 (IOL) |
4mA 在 VCC=3V 時 |
| 傳播延遲 (tpd) |
7.5ns (典型值) 在 VCC=3.3V, CL=50pF 時 |
| 工作溫度 |
-40°C 至 85°C |
| 封裝 |
16-SOIC |
核心特性
- 雙路2線至4線解碼器/多路分配器
- 低電壓操作:2V 至 5.5V
- 低電平有效輸出,便於接口
- 典型傳播延遲為7.5ns(在3.3V時)
- 低功耗:ICC 最大值為20µA
- 輸入可接受高達5.5V的電壓
- ESD保護超過2000V(HBM)
- 提供16-SOIC封裝
典型應用場景
- 5G基站中的存儲器解碼(例如,解碼FPGA配置的地址線)
- 汽車儀表盤顯示中的數據路由(例如,選擇傳感器輸入)
- 工業控制系統中的通用邏輯
- 通信設備中的信號多路分配
環球供應鏈與批發合作夥伴方案
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