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HD74LS257 from HITACHI

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HD74LS257

Manufacturer: HITACHI

Quadruple 2-line-to-1-line Data Selectors / Multiplexers (with not inverted 3-state outputs)

Partnumber Manufacturer Quantity Availability
HD74LS257 HITACHI 460 In Stock

Description and Introduction

Quadruple 2-line-to-1-line Data Selectors / Multiplexers (with not inverted 3-state outputs) The HD74LS257 is a quad 2-input multiplexer with 3-state outputs manufactured by Hitachi. Here are its key specifications:

- **Logic Family**: LS-TTL (Low Power Schottky TTL)  
- **Function**: Quad 2-input multiplexer  
- **Output Type**: 3-state (high-impedance, high, low)  
- **Supply Voltage (Vcc)**: 4.75V to 5.25V (nominal 5V)  
- **Input High Voltage (VIH)**: Min 2V  
- **Input Low Voltage (VIL)**: Max 0.8V  
- **Output High Voltage (VOH)**: Min 2.7V (at IOH = -0.4mA)  
- **Output Low Voltage (VOL)**: Max 0.4V (at IOL = 8mA)  
- **Propagation Delay**: Typically 15ns (max 24ns)  
- **Operating Temperature Range**: 0°C to +70°C  
- **Package Options**: 16-pin DIP (Dual In-line Package)  

This device is designed for bus-oriented applications, allowing multiple outputs to be connected to a common bus.

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