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HD74HC147FPEL from HIT

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HD74HC147FPEL

Manufacturer: HIT

10-to-4-line Priority Encoder

Partnumber Manufacturer Quantity Availability
HD74HC147FPEL HIT 820 In Stock

Description and Introduction

10-to-4-line Priority Encoder The HD74HC147FPEL is a high-speed CMOS 10-line to 4-line priority encoder manufactured by Hitachi (HIT). Here are its key specifications:

- **Logic Type**: Priority Encoder  
- **Number of Inputs**: 10 (active LOW)  
- **Number of Outputs**: 4 (active LOW, binary coded)  
- **Supply Voltage Range**: 2V to 6V  
- **High-Level Input Voltage (min)**: 2V  
- **Low-Level Input Voltage (max)**: 0.8V  
- **Operating Temperature Range**: -40°C to +85°C  
- **Package**: DIP-16  
- **Propagation Delay (max)**: 23 ns at 5V  
- **Power Dissipation (max)**: 500 mW  
- **Technology**: High-Speed CMOS (HC)  

This device encodes 10 active LOW inputs into a 4-bit binary code, prioritizing the highest-order input.

Partnumber Manufacturer Quantity Availability
HD74HC147FPEL HITACHI 350 In Stock

Description and Introduction

10-to-4-line Priority Encoder The HD74HC147FPEL is a high-speed CMOS 10-to-4 line priority encoder manufactured by Hitachi. Here are its key specifications:  

- **Logic Family**: HC (High-Speed CMOS)  
- **Function**: 10-to-4 Line Priority Encoder  
- **Operating Voltage**: 2V to 6V  
- **High-Speed Operation**: Typical propagation delay of 13ns at 5V  
- **Low Power Consumption**: Maximum quiescent supply current of 4μA  
- **Input Compatibility**: Compatible with TTL levels  
- **Output Type**: Standard CMOS  
- **Package**: Plastic DIP (Dual In-line Package)  
- **Pin Count**: 16  
- **Operating Temperature Range**: -40°C to +85°C  

The encoder features priority encoding of the 9 active-low data inputs (D0 to D9) to a 4-bit active-low BCD output (A0 to A3). The highest priority input is encoded if multiple inputs are active simultaneously.  

For exact electrical characteristics and timing diagrams, refer to Hitachi’s official datasheet for the HD74HC147FPEL.

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