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DM54LS169AJ from NS,National Semiconductor

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DM54LS169AJ

Manufacturer: NS

Synchronous 4-Bit Up/Down Binary Counter

Partnumber Manufacturer Quantity Availability
DM54LS169AJ NS 1250 In Stock

Description and Introduction

Synchronous 4-Bit Up/Down Binary Counter The DM54LS169AJ is a synchronous 4-bit up/down counter manufactured by National Semiconductor (NS). Here are its key specifications:

- **Logic Family**: LS (Low-Power Schottky)  
- **Type**: Synchronous 4-bit binary up/down counter  
- **Operating Voltage**: 4.75V to 5.25V (standard 5V TTL)  
- **Count Modes**: Up or Down (selectable via control input)  
- **Clock Input**: Positive-edge triggered  
- **Load Capability**: Parallel load for preset values  
- **Outputs**: Standard TTL (totem-pole)  
- **Package**: 16-pin ceramic DIP (Dual In-line Package)  
- **Operating Temperature Range**: -55°C to +125°C (military-grade)  
- **Propagation Delay**: Typically 20ns (max 30ns)  
- **Power Dissipation**: ~100mW (typical)  

This part is designed for high-speed counting applications with synchronous operation. It is part of the 54-series, indicating military-grade reliability.  

(Source: National Semiconductor datasheet for DM54LS169AJ)

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