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CD82C54 from HAR

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CD82C54

Manufacturer: HAR

CMOS Programmable Interval Timer

Partnumber Manufacturer Quantity Availability
CD82C54 HAR 200 In Stock

Description and Introduction

CMOS Programmable Interval Timer The CD82C54 is a programmable interval timer/counter manufactured by Intersil (formerly Harris Semiconductor). It is a CMOS version of the popular 8254 timer IC, featuring three independent 16-bit counters, each capable of handling clock inputs up to 8 MHz. The device operates on a 5V power supply and is commonly used in timing and event-counting applications in computer and embedded systems.  

Key specifications:  
- **Counters**: Three independent 16-bit counters  
- **Clock Frequency**: Up to 8 MHz  
- **Power Supply**: 5V ±10%  
- **Operating Temperature Range**: Commercial (0°C to +70°C) or Industrial (-40°C to +85°C)  
- **Package**: 24-pin DIP, PLCC, or SOIC  
- **Modes of Operation**: Six programmable modes (interrupt on terminal count, programmable one-shot, rate generator, square wave generator, software-triggered strobe, hardware-triggered strobe)  
- **Compatibility**: Functionally equivalent to the Intel 8254  

The CD82C54 is widely used in real-time systems, frequency measurement, and pulse generation applications.

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