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Product Overview
The CD74HCT139MT is a high-speed CMOS dual 2-to-4 line decoder/demultiplexer from Texas Instruments. It is designed for memory decoding and data routing applications, offering low power consumption and high noise immunity. The device features two independent decoders, each with active-low enables and outputs. It operates over a wide voltage range of 4.5V to 5.5V, making it ideal for 5V logic systems. The 16-SOIC package ensures compact design for space-constrained applications.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.5V to 5.5V |
| Input Voltage (VI) |
0V to VCC |
| Output Voltage (VO) |
0V to VCC |
| High-Level Input Voltage (VIH) |
2V (min) |
| Low-Level Input Voltage (VIL) |
0.8V (max) |
| High-Level Output Current (IOH) |
-4mA (max) |
| Low-Level Output Current (IOL) |
4mA (max) |
| Propagation Delay (tpd) |
15ns (typ) at 5V |
| Operating Temperature |
-55°C to +125°C |
| Package |
16-SOIC |
Key Features
- Dual 2-to-4 line decoder/demultiplexer
- High-speed CMOS technology
- Low power consumption: 80µA (max) ICC
- Active-low enables and outputs
- Wide operating temperature range
- Compatible with TTL levels
- ESD protection exceeds 2000V per MIL-STD-883
Target Applications
- Memory decoding in 5G base stations (e.g., for FPGA configuration)
- Data routing in automotive dashboards (e.g., infotainment systems)
- Address decoding in industrial PLCs
- Demultiplexing in test equipment (e.g., oscilloscopes)
- Logic function implementation in IoT gateways
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
CD74HCT139MT. 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
CD74HCT139MT 是德州儀器生產的高速 CMOS 雙路 2 線轉 4 線解碼器/多路分配器。它專為存儲器解碼和數據路由應用而設計,具有低功耗和高抗噪聲能力。該器件包含兩個獨立的解碼器,每個都具有低電平有效的使能端和輸出端。它可在 4.5V 至 5.5V 的寬電壓範圍內工作,非常適合 5V 邏輯系統。16-SOIC 封裝確保了在空間受限應用中的緊湊設計。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.5V 至 5.5V |
| 輸入電壓 (VI) |
0V 至 VCC |
| 輸出電壓 (VO) |
0V 至 VCC |
| 高電平輸入電壓 (VIH) |
2V (最小值) |
| 低電平輸入電壓 (VIL) |
0.8V (最大值) |
| 高電平輸出電流 (IOH) |
-4mA (最大值) |
| 低電平輸出電流 (IOL) |
4mA (最大值) |
| 傳播延遲 (tpd) |
15ns (典型值) 在 5V 時 |
| 工作溫度 |
-55°C 至 +125°C |
| 封裝 |
16-SOIC |
核心特性
- 雙路 2 線轉 4 線解碼器/多路分配器
- 高速 CMOS 技術
- 低功耗:最大 ICC 80µA
- 低電平有效使能端和輸出端
- 寬工作溫度範圍
- 與 TTL 電平兼容
- ESD 保護超過 2000V(符合 MIL-STD-883)
典型應用場景
- 5G 基站中的存儲器解碼(例如 FPGA 配置)
- 汽車儀表盤中的數據路由(例如信息娛樂系統)
- 工業 PLC 中的地址解碼
- 測試設備中的多路分配(例如示波器)
- 物聯網網關中的邏輯功能實現
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 CD74HCT139MT 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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