Product Overview: SN74LS390NS from Texas Instruments

The SN74LS390NS is a high-quality integrated circuit developed by Texas Instruments, a leader in the semiconductor industry. This device is part of the 74LS series, which is well-known for its low-power Schottky technology, offering a perfect balance between speed and power consumption. The SN74LS390NS is specifically designed to meet the needs of complex digital systems, providing reliable and efficient performance.

This integrated circuit features dual 4-bit binary counters, each of which is divided into two sections: a divide-by-two section and a divide-by-five section. These sections can be connected to operate either as a dual 4-bit counter or as a single 8-bit counter, offering versatility in application. The counters advance on the falling edge of the clock signal, which allows for synchronous operation and ensures accuracy in timing-sensitive applications.

The SN74LS390NS is housed in a 14-pin SOP (Small Outline Package), making it suitable for space-constrained applications while still providing ease of integration into a wide range of electronic circuits. Its operating temperature range from 0°C to 70°C ensures stability across various environmental conditions, making it a reliable choice for industrial and commercial applications.

With a typical clock frequency of 35 MHz, the SN74LS390NS is capable of handling high-speed operations, which is essential for modern digital systems that require quick data processing and timing control. Additionally, the device has a typical power dissipation of 40 mW, contributing to energy-efficient designs and reducing the overall power requirements of the system it is integrated into.

Overall, the SN74LS390NS is an excellent choice for designers looking for a counter with high-speed operation, low power consumption, and the reliability of Texas Instruments' manufacturing. Whether it's used in counters, dividers, clocks, or other sequential logic applications, this integrated circuit is sure to enhance the performance of your digital systems.