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HCF4518BEY from ST,ST Microelectronics

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HCF4518BEY

Manufacturer: ST

DUAL UP-COUNTERS

Partnumber Manufacturer Quantity Availability
HCF4518BEY ST 1000 In Stock

Description and Introduction

DUAL UP-COUNTERS The HCF4518BEY is a dual BCD up-counter manufactured by STMicroelectronics.  

### Key Specifications:  
- **Type**: Dual BCD Up-Counter  
- **Technology**: CMOS  
- **Supply Voltage Range**: 3V to 18V  
- **Operating Temperature Range**: -55°C to +125°C  
- **Clock Input**: Positive or Negative Edge Triggering (selectable)  
- **Reset Function**: Asynchronous Master Reset  
- **Package**: DIP-16  
- **Propagation Delay**: Typically 160ns at 10V supply  
- **Power Dissipation**: Low (CMOS technology)  

### Features:  
- Two independent BCD counters in a single package  
- Cascadable for higher counting ranges  
- Schmitt trigger clock inputs for improved noise immunity  

### Applications:  
- Frequency division  
- Time measurement  
- Digital counting systems  

For detailed electrical characteristics and timing diagrams, refer to the official ST datasheet.

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