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DM74LS390N from NS,National Semiconductor

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DM74LS390N

Manufacturer: NS

7 V, dual 4-bit decade counter

Partnumber Manufacturer Quantity Availability
DM74LS390N NS 100 In Stock

Description and Introduction

7 V, dual 4-bit decade counter The DM74LS390N is a dual decade counter manufactured by National Semiconductor (NS). Here are its key specifications:

- **Type**: Dual 4-bit decade counter (contains two independent counters)
- **Logic Family**: LS-TTL (Low Power Schottky)
- **Supply Voltage (VCC)**: 4.75V to 5.25V (nominal 5V)
- **Operating Temperature Range**: 0°C to 70°C
- **Maximum Clock Frequency**: 30 MHz (typical)
- **Power Dissipation**: 45 mW per counter (typical)
- **Output Current**: High-level output: -0.4 mA, Low-level output: 8 mA
- **Package**: 16-pin DIP (Dual In-line Package)
- **Counting Sequence**: Each counter divides by 10 (decade)
- **Reset Function**: Asynchronous master reset for each counter
- **Propagation Delay**: 15 ns (typical)

This information is based on the manufacturer's datasheet.

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