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HD74148 from HIT

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15.625ms

HD74148

Manufacturer: HIT

TTL HD74/HD74S Series

Partnumber Manufacturer Quantity Availability
HD74148 HIT 222 In Stock

Description and Introduction

TTL HD74/HD74S Series The HD74148 is a priority encoder integrated circuit (IC) manufactured by Hitachi (HIT). Here are its key specifications:  

- **Type**: 8-line to 3-line priority encoder  
- **Logic Family**: TTL (Transistor-Transistor Logic)  
- **Inputs**: 8 active-low data inputs (D0–D7)  
- **Outputs**: 3 binary-coded active-low outputs (A0–A2)  
- **Additional Features**:  
  - Active-low enable input (EI)  
  - Active-low enable output (EO) for cascading  
  - Group select output (GS) to indicate valid encoding  
- **Supply Voltage (VCC)**: 4.75V to 5.25V (standard TTL levels)  
- **Operating Temperature Range**: 0°C to 70°C (commercial grade)  
- **Package Options**: Typically available in 16-pin DIP (Dual In-line Package)  

This IC is commonly used in digital systems for prioritizing and encoding multiple input signals into a compact binary output.

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