The DM54193J, manufactured by Rochester Electronics, is a synchronous 4-bit up/down binary counter. This device is part of the 5400 series, known for its reliability and use in military and aerospace applications. Rochester Electronics specializes in providing long-term support for discontinued and legacy components.

Applications:

• Military and Aerospace Systems: Used in applications requiring precise counting and timing functions in harsh environments.
• Industrial Control Systems: Employed in process control, automation, and robotics applications.
• Frequency Dividers: Can be configured to divide input frequencies for various timing and control purposes.
• Address Generation: Used in memory addressing and data sequencing applications.
• Instrumentation: Integrated into test and measurement equipment for precise counting and timing.

Features:

• Synchronous Operation: All flip-flops are clocked simultaneously, ensuring predictable and reliable counting.
• 4-Bit Up/Down Counter: Can count both up and down, providing flexibility in various applications.
• Clear Input: Allows resetting the counter to zero.
• Count Enable Inputs: Enable or inhibit the counting function.
• Military Temperature Range: Operates over a wide temperature range, typically -55°C to +125°C.
• Rochester Electronics Support: Ensures availability of this discontinued component.

Benefits:

• Precise Counting: Synchronous operation ensures accurate and reliable counting.
• Versatile Functionality: Up/down counting capability allows for a wide range of applications.
• Long-Term Availability: Rochester Electronics provides a continuous supply of this component.
• High Reliability: Designed for demanding applications requiring robust performance.
• Easy Integration: Compatible with standard TTL logic families.

Additional Details: The DM54193J is typically packaged in a ceramic DIP (Dual In-line Package). It requires a 5V power supply for operation. Consult the datasheet for detailed electrical characteristics, including timing parameters, input voltage levels, and output drive capabilities. The device's synchronous design minimizes glitches and ensures accurate counting in high-speed applications.