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Product Overview
The SN74F38DR from Texas Instruments is a high-speed quad 2-input positive-NAND buffer with open-collector outputs. Fabricated with advanced Schottky technology, it offers a propagation delay of 5.5 ns typical at 5 V supply. The open-collector outputs allow wired-AND connections and drive higher voltage or current loads. Housed in a 14-pin SOIC package, it is ideal for space-constrained designs requiring robust logic buffering.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.5 V to 5.5 V |
| Input Voltage (VI) |
0 V to 5.5 V |
| High-Level Output Voltage (VOH) |
Open-collector (external pull-up required) |
| Low-Level Output Voltage (VOL) |
0.5 V max at IOL = 48 mA |
| Propagation Delay (tpd) |
5.5 ns typical at VCC = 5 V, CL = 50 pF |
| Input Clamp Current (IIK) |
-18 mA max |
| Operating Temperature |
0°C to 70°C |
| Package |
14-SOIC (3.9 mm width) |
Key Features
- Quad 2-input NAND buffer with open-collector outputs
- High speed: typical tpd = 5.5 ns at 5 V
- Open-collector outputs for wired-AND and level shifting
- Output sink current: 48 mA per output
- Inputs are overvoltage tolerant up to 5.5 V
- ESD protection exceeds 2000 V per MIL-STD-883
- Industry-standard 14-SOIC package
Target Applications
- 5G base station control logic (e.g., antenna switching)
- Automotive dashboard display drivers (e.g., LED matrix)
- Industrial PLC I/O modules (e.g., sensor signal buffering)
- Server power sequencing and fault detection
- Medical device interface (e.g., patient monitor alarms)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74F38DR. 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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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
SN74F38DR 是德州儀器推出的高速四路2輸入正與非門緩衝器,採用開集極輸出。基於先進的肖特基工藝,在5V電源下典型傳播延遲僅5.5 ns。開集極輸出支持線與連接,可驅動更高電壓或電流負載。採用14引腳SOIC封裝,適合空間受限的設計。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.5 V 至 5.5 V |
| 輸入電壓 (VI) |
0 V 至 5.5 V |
| 高電平輸出電壓 (VOH) |
開集極(需外部上拉) |
| 低電平輸出電壓 (VOL) |
最大值 0.5 V (IOL = 48 mA) |
| 傳播延遲 (tpd) |
典型值 5.5 ns (VCC = 5 V, CL = 50 pF) |
| 輸入鉗位電流 (IIK) |
最大值 -18 mA |
| 工作溫度 |
0°C 至 70°C |
| 封裝 |
14-SOIC (寬度 3.9 mm) |
核心特性
- 四路2輸入與非門緩衝器,開集極輸出
- 高速:典型 tpd = 5.5 ns (5V)
- 開集極輸出支持線與及電平轉換
- 每路輸出灌電流 48 mA
- 輸入過壓容限高達 5.5 V
- ESD 保護超過 2000 V (MIL-STD-883)
- 業界標準 14-SOIC 封裝
典型應用場景
- 5G基站控制邏輯(如天線切換)
- 汽車儀表盤顯示驅動(如LED矩陣)
- 工業PLC I/O模塊(如傳感器信號緩衝)
- 服務器電源排序與故障檢測
- 醫療設備接口(如病人監護儀報警)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74F38DR 提供全面的供應鏈與批發解決方案。
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