Overview
The DM74LS193N is a Synchronous 4-Bit Up/Down Binary Counter manufactured by Fairchild/ON Semiconductor. This versatile counter can count both up and down, making it suitable for a wide range of digital counting applications. It is part of the Low-power Schottky (LS) TTL logic family, offering a good balance between speed and power consumption. The synchronous operation ensures that all flip-flops change state simultaneously, providing reliable counting performance.
Applications
- Frequency division
- Timing circuits
- Digital clocks
- Event counting
- Position control systems
- Microprocessor-based systems
Features
- Synchronous Up/Down Counting
- Separate Up and Down Clocks
- Asynchronous Master Reset
- Carry and Borrow Outputs
- Low Power Consumption
- TTL Compatible Inputs and Outputs
Benefits
- Provides accurate and reliable counting in both up and down directions.
- Simplifies circuit design with separate up and down clock inputs.
- Allows for easy resetting of the counter with the asynchronous master reset.
- Enables cascading of multiple counters with the carry and borrow outputs.
- Reduces power consumption in digital circuits.
- Interfaces easily with other TTL logic devices.
Additional Details
The DM74LS193N is a 4-bit synchronous up/down binary counter within the 74LS TTL logic family. The 'N' suffix indicates that it comes in a plastic DIP (Dual In-line Package). It features separate clock inputs for up and down counting, providing flexibility in circuit design. The asynchronous master reset allows for immediate clearing of the counter. Carry and borrow outputs facilitate cascading multiple counters to create counters of larger bit widths. Its synchronous operation ensures that all flip-flops change state simultaneously on the rising edge of the clock pulse. The device is frequently used in digital clocks, frequency dividers, and control systems. Its TTL compatibility allows for easy integration with a wide range of other digital components. It is designed to operate from a standard 5V supply.