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Product Overview
The CD74HCT423E is a high-speed CMOS dual retriggerable monostable multivibrator from Texas Instruments. It features two independent monostable multivibrators with Schmitt-trigger inputs for noise immunity. Each multivibrator provides an output pulse width determined by external RC components. The device operates over a wide supply voltage range of 4.5V to 5.5V, making it ideal for 5V logic systems. Housed in a 16-pin PDIP package, it offers reliable performance for timing and pulse generation applications.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.5V to 5.5V |
| Input Voltage (VI) |
0V to VCC |
| Output Voltage (VO) |
0V to VCC |
| Operating Temperature |
-55°C to +125°C |
| Propagation Delay (tPLH/tPHL) |
Typ 25ns at 5V, CL=50pF |
| Output Pulse Width |
Determined by external R and C |
| Input Capacitance |
10pF typical |
| Output Current (IOH/IOL) |
±4mA at 5V |
| Package |
16-PDIP |
Key Features
- Dual retriggerable monostable multivibrators
- Schmitt-trigger inputs for noise immunity
- Output pulse width adjustable via external RC components
- High-speed operation: typical propagation delay 25ns
- Wide operating temperature range: -55°C to +125°C
- Low power consumption
- Compatible with TTL logic levels
- ESD protection exceeds 2000V per MIL-STD-883
Target Applications
- Pulse generation and timing circuits in 5G base stations
- Debouncing switches in automotive dashboards
- Frequency division in industrial control systems
- Delay line generation in communication equipment
- Pulse width modulation in LED lighting controllers
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
CD74HCT423E. 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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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
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
CD74HCT423E 是德州儀器生產的高速 CMOS 雙可重觸發單穩態多諧振盪器。它包含兩個獨立的單穩態多諧振盪器,具有施密特觸發輸入以增強抗噪性。每個多諧振盪器的輸出脈衝寬度由外部 RC 元件決定。該器件在 4.5V 至 5.5V 的寬電源電壓範圍內工作,非常適合 5V 邏輯系統。採用 16 引腳 PDIP 封裝,為定時和脈衝生成應用提供可靠性能。
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 |
| 輸出電壓 (VO) |
0V 至 VCC |
| 工作溫度 |
-55°C 至 +125°C |
| 傳播延遲 (tPLH/tPHL) |
典型值 25ns (5V, CL=50pF) |
| 輸出脈衝寬度 |
由外部 R 和 C 決定 |
| 輸入電容 |
典型值 10pF |
| 輸出電流 (IOH/IOL) |
±4mA (5V) |
| 封裝 |
16-PDIP |
核心特性
- 雙可重觸發單穩態多諧振盪器
- 施密特觸發輸入,增強抗噪性
- 輸出脈衝寬度可通過外部 RC 元件調整
- 高速操作:典型傳播延遲 25ns
- 寬工作溫度範圍:-55°C 至 +125°C
- 低功耗
- 與 TTL 邏輯電平兼容
- ESD 保護超過 2000V(符合 MIL-STD-883)
典型應用場景
- 5G 基站中的脈衝生成和定時電路
- 汽車儀表板中的按鍵去抖動
- 工業控制系統中的分頻
- 通信設備中的延遲線生成
- LED 照明控制器中的脈衝寬度調製
環球供應鏈與批發合作夥伴方案
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