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HD74LS253

Dual 4-line-to-1-line Data Selectors / Multiplexers (with three-state outputs)

Partnumber Manufacturer Quantity Availability
HD74LS253 17 In Stock

Description and Introduction

Dual 4-line-to-1-line Data Selectors / Multiplexers (with three-state outputs) The HD74LS253 is a dual 4-input multiplexer with 3-state outputs, manufactured by Hitachi. Here are the key specifications:

- **Logic Family**: LS (Low-power Schottky)
- **Number of Channels**: 2 (dual)
- **Inputs per Channel**: 4
- **Output Type**: 3-state (tri-state)
- **Supply Voltage (VCC)**: 4.75V to 5.25V (nominal 5V)
- **Operating Temperature Range**: 0°C to 70°C
- **Propagation Delay**: Typically 15 ns (max 24 ns)
- **Power Dissipation**: 32 mW (typical per gate)
- **Input Current (High)**: 20 µA (max)
- **Input Current (Low)**: -0.36 mA (max)
- **Output Current (High)**: -0.4 mA (max)
- **Output Current (Low)**: 8 mA (max)
- **Package Options**: 16-pin DIP (Dual In-line Package), SOIC (Small Outline IC)

The HD74LS253 is compatible with TTL (Transistor-Transistor Logic) levels and is commonly used in data selection and routing applications.

Partnumber Manufacturer Quantity Availability
HD74LS253 HITACHI 25 In Stock

Description and Introduction

Dual 4-line-to-1-line Data Selectors / Multiplexers (with three-state outputs) The HD74LS253 is a dual 4-input multiplexer with 3-state outputs, manufactured by Hitachi. Here are its key specifications:

- **Logic Family**: LS-TTL (Low-Power Schottky TTL)  
- **Function**: Dual 4-to-1 line multiplexer  
- **Output Type**: 3-state (high-impedance when disabled)  
- **Supply Voltage (VCC)**: 4.75V to 5.25V (nominal 5V)  
- **Operating Temperature Range**: 0°C to +70°C  
- **Propagation Delay**: Typically 15 ns  
- **Power Dissipation**: Approximately 32 mW per package  
- **Input/Output Compatibility**: TTL levels  
- **Package Options**: 16-pin DIP (Dual In-line Package)  

The HD74LS253 allows two independent 4-input multiplexers in a single IC, with common select lines (S0, S1) and separate enable inputs (E̅) for each multiplexer.  

For exact pinout and detailed electrical characteristics, refer to Hitachi's official datasheet.

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