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Product Overview
The SNJ5412J is a high-reliability 12-input NAND gate from Texas Instruments, designed for military and aerospace applications. It operates over the full military temperature range (-55°C to +125°C) and is available in a hermetic ceramic DIP package. This device provides the logic function Y = A·B·C·D·E·F·G·H·I·J·K·L (12-input NAND) with totem-pole output. It is part of the 54LS family, offering low power consumption and high noise immunity.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.5V to 5.5V |
| Input Voltage (VI) |
0V to 5.5V |
| 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) |
-0.4 mA |
| Low-Level Output Current (IOL) |
4 mA |
| Propagation Delay (tPLH/tPHL) |
15 ns typ (VCC=5V, CL=15pF) |
| Power Dissipation |
22 mW typ per gate |
| Operating Temperature |
-55°C to +125°C |
| Package |
Ceramic DIP (J suffix) |
Key Features
- 12-input NAND gate for complex logic functions
- Low power consumption: 22 mW typical per gate
- High noise immunity: typically 1V at VCC=5V
- Totem-pole output for improved drive capability
- Hermetic ceramic package for harsh environments
- Military temperature range: -55°C to +125°C
- Direct replacement for standard 54LS12 devices
Target Applications
- Military avionics: flight control computers, radar systems
- Space systems: satellite telemetry, attitude control
- Industrial control: programmable logic controllers (PLCs)
- 5G base stations: logic decoding in control modules
- Automotive: engine control units (ECUs) for off-road vehicles
- Test equipment: automatic test equipment (ATE) logic
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SNJ5412J. 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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orders confirmed before 4 PM are shipped the same day.
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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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be authentic with strict quality control.
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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
SNJ5412J 是德州儀器生產的高可靠性12輸入與非門,專為軍用和航空航天應用設計。它可在整個軍用溫度範圍(-55°C 至 +125°C)內工作,並採用密封陶瓷 DIP 封裝。該器件提供邏輯功能 Y = A·B·C·D·E·F·G·H·I·J·K·L(12輸入與非門),具有推輓式輸出。它屬於 54LS 系列,具有低功耗和高抗噪聲能力。
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 5.5V |
| 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) |
-0.4 mA |
| 低電平輸出電流 (IOL) |
4 mA |
| 傳播延遲 (tPLH/tPHL) |
15 ns 典型值 (VCC=5V, CL=15pF) |
| 功耗 |
每門典型值 22 mW |
| 工作溫度 |
-55°C 至 +125°C |
| 封裝 |
陶瓷 DIP (J 後綴) |
核心特性
- 12輸入與非門,實現複雜邏輯功能
- 低功耗:每門典型值 22 mW
- 高抗噪聲能力:VCC=5V 時典型值 1V
- 推輓式輸出,驅動能力更強
- 密封陶瓷封裝,適用於惡劣環境
- 軍用溫度範圍:-55°C 至 +125°C
- 可直接替代標準 54LS12 器件
典型應用場景
- 軍用航空電子:飛行控制計算機、雷達系統
- 航天系統:衛星遙測、姿態控制
- 工業控制:可編程邏輯控制器 (PLC)
- 5G 基站:控制模塊中的邏輯解碼
- 汽車電子:越野車發動機控制單元 (ECU)
- 測試設備:自動測試設備 (ATE) 邏輯
環球供應鏈與批發合作夥伴方案
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