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Product Overview
The SN74HCT14D from Texas Instruments is a hex Schmitt-trigger inverter designed for 4.5V to 5.5V VCC operation, but with functional compatibility to 2V to 6V. It contains six independent inverters with hysteresis, providing clean switching and noise immunity. Housed in a 14-SOIC package, it is ideal for industrial and automotive applications requiring robust logic-level conversion.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.5V to 5.5V (functional 2V-6V) |
| Input Voltage (VI) |
0V to VCC |
| Output Voltage (VO) |
0V to VCC |
| High-Level Input Voltage (VIH) |
2V (min) at VCC=4.5V |
| Low-Level Input Voltage (VIL) |
0.8V (max) at VCC=4.5V |
| High-Level Output Current (IOH) |
-4 mA |
| Low-Level Output Current (IOL) |
4 mA |
| Propagation Delay (tpd) |
22 ns (typ) at VCC=5V, CL=50pF |
| Input Capacitance (Ci) |
10 pF (typ) |
| Operating Temperature |
-40°C to +85°C |
| Package |
14-SOIC |
Key Features
- Schmitt-trigger input for hysteresis and noise rejection
- Six independent inverters
- Wide supply voltage range: 2V to 6V (functional)
- High noise immunity: typical Vhys = 0.9V at VCC=5V
- Compatible with TTL levels
- Low power consumption: ICC max 80 µA
- ESD protection exceeds 2000V (HBM)
Target Applications
- Signal conditioning for sensors in 5G base stations (e.g., noise filtering)
- Debouncing switches in automotive dashboards
- Logic level conversion between 3.3V and 5V systems
- Oscillator circuits for clock generation
- Industrial PLC input modules
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74HCT14D. 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
SN74HCT14D 是德州儀器(TI)生產的六路施密特觸發反相器,專為 4.5V 至 5.5V 的 VCC 操作設計,但功能上兼容 2V 至 6V。它包含六個獨立的反相器,具有滯後特性,提供乾淨的開關和噪聲抑制。採用 14-SOIC 封裝,非常適合需要穩健邏輯電平轉換的工業和汽車應用。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.5V 至 5.5V(功能 2V-6V) |
| 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,VCC=4.5V) |
| 低電平輸入電壓 (VIL) |
0.8V(最大值,VCC=4.5V) |
| 高電平輸出電流 (IOH) |
-4 mA |
| 低電平輸出電流 (IOL) |
4 mA |
| 傳播延遲 (tpd) |
22 ns(典型值,VCC=5V,CL=50pF) |
| 輸入電容 (Ci) |
10 pF(典型值) |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
14-SOIC |
核心特性
- 施密特觸發輸入,具有滯後和噪聲抑制
- 六個獨立反相器
- 寬電源電壓範圍:2V 至 6V(功能)
- 高噪聲抗擾度:典型 Vhys = 0.9V(VCC=5V)
- 與 TTL 電平兼容
- 低功耗:ICC 最大 80 µA
- ESD 保護超過 2000V(HBM)
典型應用場景
- 5G 基站中傳感器的信號調理(例如噪聲濾波)
- 汽車儀表板中的按鍵去抖
- 3.3V 與 5V 系統之間的邏輯電平轉換
- 時鐘生成的振盪器電路
- 工業 PLC 輸入模塊
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74HCT14D 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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