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CD74HCT390E from HARRIS,Intersil

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CD74HCT390E

Manufacturer: HARRIS

High Speed CMOS Logic Dual Decade Ripple Counter

Partnumber Manufacturer Quantity Availability
CD74HCT390E HARRIS 57 In Stock

Description and Introduction

High Speed CMOS Logic Dual Decade Ripple Counter The CD74HCT390E is a dual decade ripple counter manufactured by Harris. It features two independent 4-bit ripple counters, each with a divide-by-2 and a divide-by-5 section.  

**Key Specifications:**  
- **Logic Family:** HCT (High-Speed CMOS, TTL compatible)  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **Operating Temperature Range:** -55°C to +125°C  
- **Maximum Clock Frequency:** 24 MHz (typical at 5V)  
- **Output Current:** ±4 mA (sink/source)  
- **Propagation Delay:** 40 ns (typical at 5V)  
- **Package Type:** 16-pin DIP (Dual In-line Package)  

**Features:**  
- Dual decade counters with separate clock inputs  
- Asynchronous master reset for each counter  
- TTL-compatible inputs and outputs  
- Low power consumption  

**Applications:**  
- Frequency division  
- Time delay generation  
- Digital counting circuits  

The datasheet for the CD74HCT390E provides detailed electrical characteristics, timing diagrams, and application notes.

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