SN74LS390N

The SN74LS390N is a dual 4-bit binary counter IC from Texas Instruments, designed for high-speed counting applications. It features two separate 4-bit counters, which can operate in various modes, including binary counting and binary down counting. The device is constructed using low-power Schottky TTL technology, ensuring fast operation and low power consumption.
Key features include a wide operating voltage range (typically 4.75V to 5.25V), an active-low reset function, and asynchronous inputs for parallel loading of binary values. The SN74LS390N can be cascaded with other counters to create larger counting systems. It boasts a fast propagation delay, making it suitable for high-speed applications in digital circuits.
Common applications include frequency division, event counting, and state machines in digital systems. The SN74LS390N is housed in a 16-pin DIP package, facilitating easy integration into various electronic designs.

The SN74LS390N is a dual 4-bit binary counter designed for high-speed operation in digital circuits. Key features include:
1. Dual Counter Configuration: Contains two independent 4-bit binary counters (Counter A and Counter B) that can operate synchronously.
2. Asynchronous Reset: Each counter has an asynchronous reset input for immediate clearing of the count.
3. Count Mode Control: Supports both binary counting and divide-by-2 operation.
4. Low Power Consumption: Operates with low power due to its TTL (Transistor-Transistor Logic) technology.
5. High-Speed Operation: Capable of operating at high frequencies, making it suitable for various applications.
6. Standard Logic Levels: Compatible with standard TTL levels, allowing easy integration with other TTL devices.
7. Output Drive Capability: Can drive multiple standard TTL inputs, enhancing versatility in circuit designs.
8. Wide Operating Voltage Range: Typically operates from 4.75V to 5.25V, ensuring compatibility with various systems.
This IC is commonly used in frequency division, event counting, and digital frequency synthesis applications.

The SN74LS390N is packaged in a dual in-line package (DIP) form factor, specifically a 14-pin DIP. This packaging allows for easy integration onto circuit boards and is commonly used in various applications.

The SN74LS390N is manufactured by Texas Instruments (TI), a leading American technology company. Founded in 1930, Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits. The company is well-known for its innovations in analog and embedded processing, as well as digital signal processing technologies. TI serves a wide range of industries, including automotive, industrial, communications, and consumer electronics, providing products that enhance performance and efficiency in electronic applications. The SN74LS390N is a dual 4-bit binary counter, commonly used in digital circuit designs.

The SN74LS390N is a dual 4-bit binary counter commonly used in digital circuits for applications such as frequency division, event counting, digital clocks, and timers. It can also be utilized in frequency synthesizers, waveform generators, and as a state counter in sequential logic designs. Its ability to operate in high-speed environments makes it suitable for various electronic devices and systems requiring precise counting and timing functionalities.

The SN74LS390N is a dual 4-bit binary counter. Equivalent products include the SN74HC390, which operates at higher speeds and lower power, and the CD4040, a binary ripple counter. Additionally, the 74LS393 offers similar functionality with dual 4-bit counting capabilities. Ensure compatibility with voltage levels and circuit requirements when selecting alternatives.