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Product Overview
The SN74HCT138NE4 is a 3-to-8 line decoder/demultiplexer from Texas Instruments, designed for high-speed CMOS logic applications. It features three enable inputs for flexible cascading and is ideal for memory decoding, data routing, and digital system control. Housed in a 16-pin PDIP package, it operates over a wide voltage range and offers low power consumption.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.5V to 5.5V |
| Input Voltage (VI) |
0V to VCC |
| Output Current (IO) |
±4 mA |
| Propagation Delay (tpd) |
23 ns (max) at 5V, 15pF |
| Operating Temperature |
-40°C to +85°C |
| Package |
16-PDIP |
| Logic Family |
HCT |
| Number of Inputs |
3 (A0, A1, A2) |
| Number of Outputs |
8 (Y0-Y7), active low |
| Enable Inputs |
G1 (active high), G2A, G2B (active low) |
Key Features
- 3-to-8 line decoder/demultiplexer with three enable inputs
- High-speed CMOS technology with TTL-compatible inputs
- Low power consumption: 80 µA max ICC
- Wide operating voltage range: 4.5V to 5.5V
- Outputs can drive up to 10 LSTTL loads
- Standard 16-pin PDIP package for easy prototyping
- ESD protection exceeds 2000V per MIL-STD-883
Target Applications
- Memory decoding in 5G base station control boards
- Address decoding in automotive dashboard displays
- Data routing in industrial PLC systems
- Demultiplexing in medical imaging equipment
- Logic expansion in consumer electronics
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74HCT138NE4. 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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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
SN74HCT138NE4 是德州儀器推出的3線至8線解碼器/多路分配器,專為高速CMOS邏輯應用設計。它具有三個使能輸入,便於靈活級聯,適用於存儲器解碼、數據路由和數字系統控制。採用16引腳PDIP封裝,工作電壓範圍寬,功耗低。
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 |
| 輸出電流 (IO) |
±4 mA |
| 傳播延遲 (tpd) |
23 ns (最大值) 在 5V, 15pF |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
16-PDIP |
| 邏輯系列 |
HCT |
| 輸入數量 |
3 (A0, A1, A2) |
| 輸出數量 |
8 (Y0-Y7), 低電平有效 |
| 使能輸入 |
G1 (高電平有效), G2A, G2B (低電平有效) |
核心特性
- 3線至8線解碼器/多路分配器,帶三個使能輸入
- 高速CMOS技術,輸入與TTL兼容
- 低功耗:最大ICC 80 µA
- 寬工作電壓範圍:4.5V 至 5.5V
- 輸出可驅動多達10個LSTTL負載
- 標準16引腳PDIP封裝,便於原型設計
- ESD保護超過2000V,符合MIL-STD-883
典型應用場景
- 5G基站控制板中的存儲器解碼
- 汽車儀表盤顯示中的地址解碼
- 工業PLC系統中的數據路由
- 醫療成像設備中的多路分配
- 消費電子中的邏輯擴展
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74HCT138NE4 提供全面的供應鏈與批發解決方案。
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