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DM74LS161AJ from NS,National Semiconductor

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DM74LS161AJ

Manufacturer: NS

Synchronous 4-Bit Binary Counters

Partnumber Manufacturer Quantity Availability
DM74LS161AJ NS 1 In Stock

Description and Introduction

Synchronous 4-Bit Binary Counters The DM74LS161AJ is a synchronous presettable binary counter from National Semiconductor (NS). Here are its key specifications:

- **Type**: 4-bit synchronous binary counter
- **Manufacturer**: National Semiconductor (NS)
- **Logic Family**: 74LS (Low-power Schottky)
- **Operating Voltage**: 4.75V to 5.25V (nominal 5V)
- **Clock Frequency**: Up to 32 MHz (typical)
- **Count Range**: 0 to 15 (4-bit binary)
- **Features**: Synchronous counting, parallel load capability, asynchronous master reset
- **Propagation Delay**: 20 ns (typical)
- **Power Dissipation**: 45 mW (typical)
- **Package**: 16-pin DIP (Dual In-line Package)
- **Operating Temperature Range**: 0°C to 70°C (commercial grade)
- **Output Current**: -0.4 mA (sink), 8 mA (source)
- **Input Current**: ±20 μA (max)

The DM74LS161AJ is designed for high-speed counting applications with synchronous operation.

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