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DM54LS191J from NS,National Semiconductor

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DM54LS191J

Manufacturer: NS

Synchronous 4-Bit Up/Down Counters with Mode Control

Partnumber Manufacturer Quantity Availability
DM54LS191J NS 20 In Stock

Description and Introduction

Synchronous 4-Bit Up/Down Counters with Mode Control The DM54LS191J is a 4-bit synchronous up/down binary counter manufactured by National Semiconductor (NS). Key specifications include:

- **Logic Family**: LS (Low-Power Schottky)
- **Number of Bits**: 4
- **Counting Mode**: Synchronous up/down
- **Supply Voltage**: 4.75V to 5.25V (standard 5V operation)
- **Operating Temperature**: -55°C to +125°C (military grade)
- **Package**: 16-pin ceramic DIP (Dual In-line Package)
- **Features**: Parallel load, ripple clock output, and up/down counting control
- **Propagation Delay**: Typically 15ns (max 30ns) for clock to output
- **Power Dissipation**: Typically 45mW

This device is designed for high-speed counting applications with synchronous operation.

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