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HD74LS42 from HIT

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HD74LS42

Manufacturer: HIT

Ouadruple 2-input Positive NAND Gates

Partnumber Manufacturer Quantity Availability
HD74LS42 HIT 25 In Stock

Description and Introduction

Ouadruple 2-input Positive NAND Gates The HD74LS42 is a BCD-to-decimal decoder manufactured by Hitachi (HIT). Here are its key specifications:

1. **Function**: Converts 4-bit Binary Coded Decimal (BCD) inputs to one of ten active-low decimal outputs.
2. **Logic Family**: LS-TTL (Low-Power Schottky TTL).
3. **Inputs**: 4-bit BCD (A0, A1, A2, A3).
4. **Outputs**: 10 active-low outputs (Y0-Y9).
5. **Supply Voltage (VCC)**: 4.75V to 5.25V (nominal 5V).
6. **Power Dissipation**: Typically 45mW.
7. **Propagation Delay**: Typically 15ns (max 24ns).
8. **Operating Temperature Range**: 0°C to 70°C.
9. **Package**: 16-pin DIP (Dual In-line Package).
10. **Features**: 
   - Rejects invalid BCD codes (outputs remain high for inputs 10-15).
   - High noise immunity.
   - Compatible with other TTL families.

For exact details, refer to the official Hitachi datasheet.

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