Product Overview: Texas Instruments SN7493AN

The Texas Instruments SN7493AN is a high-performance integrated circuit that functions as a 4-bit binary counter. This device is a part of the 7400 series of digital logic integrated circuits. Known for its reliability and versatility, the SN7493AN is widely used in digital systems for counting applications and frequency division tasks.

Key Features

• 4-Bit Binary Counter: The SN7493AN is capable of counting from 0 to 15, making it suitable for a variety of digital applications that require counting or timing solutions.
• Modular Design: It consists of four master-slave flip-flops with internal gating and steering logic to provide asynchronous preset and ripple-carry counting.
• Multiple Counting Modes: The counter can operate in different modes, including binary and divide-by-n counting, allowing for flexible usage in circuit design.
• Expandability: Counters can be easily cascaded by connecting the ripple-carry output to the enable input of the subsequent counter for higher-bit applications.
• Direct Clear Function: The SN7493AN includes a clear function that resets the count to zero when activated.

Electrical Characteristics

• Supply Voltage Range: Typically operates within a supply voltage range of 4.75V to 5.25V, compatible with standard TTL levels.
• Power Dissipation: Features low power consumption, making it suitable for battery-powered devices or energy-efficient systems.
• Operating Temperature: It is designed to operate within a temperature range of 0°C to 70°C, ensuring reliable performance across various environmental conditions.
• Output Drive Capability: The SN7493AN can drive up to 10 LS-TTL loads, providing sufficient capacity for most digital logic applications.

Applications

The SN7493AN binary counter is commonly used in digital clocks, timers, frequency dividers, and other sequential logic circuits. Its ability to interface with other TTL logic families makes it a versatile choice for creating complex digital systems. Whether you're designing consumer electronics, industrial control systems, or educational training kits, the SN7493AN from Texas Instruments provides a reliable and efficient solution for your counting needs.