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Product Overview
The SN74AHC14PWRG3 from Texas Instruments is a hex inverter with Schmitt-trigger inputs, designed for general-purpose logic applications. It features six independent inverters with hysteresis, providing noise immunity and clean output transitions. The device operates over a wide supply voltage range of 2V to 5.5V, making it suitable for battery-powered and industrial systems. Housed in a 14-pin TSSOP package, it offers a compact solution for signal conditioning and waveform shaping.
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) |
0.7 × VCC (min) |
| Low-Level Input Voltage (VIL) |
0.3 × VCC (max) |
| High-Level Output Current (IOH) |
-8 mA (at VCC = 4.5V) |
| Low-Level Output Current (IOL) |
8 mA (at VCC = 4.5V) |
| Propagation Delay (tpd) |
10.5 ns (typ at VCC = 5V, CL = 50 pF) |
| Input Capacitance (Ci) |
2 pF (typ) |
| Operating Temperature |
-40°C to +125°C |
| Package |
14-TSSOP |
Key Features
- Schmitt-trigger inputs for slow or noisy input signals
- Wide operating voltage range: 2V to 5.5V
- High noise immunity: typical Vhys = 0.5V at VCC = 5V
- Low power consumption: ICC max 10 µA at 25°C
- Output drive capability: ±8 mA at 5V
- ESD protection: 2 kV HBM, 1 kV CDM
- Green product: RoHS compliant, no Sb/Br
Target Applications
- Signal conditioning for sensors in 5G base stations (e.g., temperature/humidity sensors)
- Debouncing switches in automotive dashboard control units
- Waveform shaping for clock signals in industrial PLCs
- Level translation between 3.3V and 5V logic in IoT gateways
- Oscillator circuits for portable medical devices (e.g., pulse oximeters)
Global Supply Chain & Wholesale Solutions
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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
SN74AHC14PWRG3 是德州儀器 (TI) 生產的六路施密特觸發反相器,適用於通用邏輯應用。它包含六個獨立的帶滯後特性的反相器,提供噪聲抑制和乾淨的輸出轉換。器件支持 2V 至 5.5V 的寬電源電壓範圍,適合電池供電和工業系統。採用 14 引腳 TSSOP 封裝,為信號調理和波形整形提供緊湊解決方案。
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) |
0.7 × VCC (最小值) |
| 低電平輸入電壓 (VIL) |
0.3 × VCC (最大值) |
| 高電平輸出電流 (IOH) |
-8 mA (VCC = 4.5V 時) |
| 低電平輸出電流 (IOL) |
8 mA (VCC = 4.5V 時) |
| 傳播延遲 (tpd) |
10.5 ns (典型值,VCC = 5V,CL = 50 pF) |
| 輸入電容 (Ci) |
2 pF (典型值) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
14-TSSOP |
核心特性
- 施密特觸發輸入,適用於緩慢或噪聲輸入信號
- 寬工作電壓範圍:2V 至 5.5V
- 高噪聲抑制:典型滯後電壓 0.5V (VCC = 5V)
- 低功耗:25°C 時 ICC 最大值 10 µA
- 輸出驅動能力:±8 mA (5V)
- ESD 保護:2 kV HBM,1 kV CDM
- 綠色產品:符合 RoHS,無 Sb/Br
典型應用場景
- 5G 基站中傳感器(如溫濕度傳感器)的信號調理
- 汽車儀表盤控制單元中的按鍵去抖動
- 工業 PLC 中時鐘信號的波形整形
- 物聯網網關中 3.3V 與 5V 邏輯電平轉換
- 便攜醫療設備(如脈搏血氧儀)中的振盪器電路
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