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CD74HCT193E from RCA

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CD74HCT193E

Manufacturer: RCA

High Speed CMOS Logic Presettable Synchronous 4-Bit Binary Up/Down Counters with Asynchronous Reset

Partnumber Manufacturer Quantity Availability
CD74HCT193E RCA 50 In Stock

Description and Introduction

High Speed CMOS Logic Presettable Synchronous 4-Bit Binary Up/Down Counters with Asynchronous Reset The CD74HCT193E is a high-speed CMOS logic 4-bit synchronous up/down binary counter manufactured by RCA. Here are its key specifications:

- **Logic Family**: HCT (High-Speed CMOS with TTL compatibility)  
- **Supply Voltage Range**: 4.5V to 5.5V  
- **Operating Temperature Range**: -55°C to +125°C  
- **Counting Modes**: Synchronous up/down counting  
- **Clock Inputs**: Separate up and down clock inputs (CP_U and CP_D)  
- **Outputs**: Four parallel binary outputs (Q0, Q1, Q2, Q3)  
- **Asynchronous Features**: Master Reset (MR) and Parallel Load (PL)  
- **Propagation Delay**: Typically 20 ns at 5V  
- **Package**: 16-pin DIP (Dual In-line Package)  
- **TTL-Compatible Inputs**: Yes  
- **Maximum Clock Frequency**: ~25 MHz at 5V  

This information is based solely on RCA's specifications for the CD74HCT193E.

Partnumber Manufacturer Quantity Availability
CD74HCT193E HARRIS 253 In Stock

Description and Introduction

High Speed CMOS Logic Presettable Synchronous 4-Bit Binary Up/Down Counters with Asynchronous Reset The CD74HCT193E is a high-speed CMOS logic 4-bit synchronous up/down binary counter manufactured by Harris. Here are its key specifications:

- **Logic Family**: HCT (High-speed CMOS, TTL compatible)
- **Number of Bits**: 4-bit
- **Counting Modes**: Synchronous up/down counting
- **Supply Voltage Range**: 4.5V to 5.5V
- **Operating Temperature Range**: -55°C to +125°C
- **Maximum Clock Frequency**: 36 MHz (typical)
- **Output Current**: ±6 mA (at 5V)
- **Input Current**: ±1 µA (max)
- **Propagation Delay**: 20 ns (typical)
- **Package Type**: 16-pin DIP (Dual In-line Package)
- **Features**: Asynchronous parallel load, clear input, carry/borrow outputs for cascading
- **Compatibility**: TTL input and output levels

The CD74HCT193E is designed for applications requiring high-speed counting operations with TTL compatibility.

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