ON Semiconductor SN74LS279N Integrated Circuit

The SN74LS279N is a versatile quad S-R latch integrated circuit designed and manufactured by ON Semiconductor, a leading provider in the semiconductor industry. This device is part of the 74LS series, which is renowned for its low-power Schottky technology, offering a balance between speed and power consumption, making it an excellent choice for a wide range of electronic applications.

The SN74LS279N features four independent Set-Reset (S-R) latches with NOR logic configuration, which can be used to store binary information. Each latch has separate set (S) and reset (R) inputs, and a single output (Q). The clear and precise logic level changes are ensured by the direct overriding set and reset inputs, which are active high. This means that the output Q will be set or reset only when the corresponding input is high, providing a controlled and predictable response to input signals.

Constructed with ON Semiconductor's high-quality processes, the SN74LS279N is housed in a standard 16-pin DIP (Dual In-line Package), making it compatible with a wide array of socketed or soldered PCB (Printed Circuit Board) applications. The device operates over a broad voltage range, typically from 4.75V to 5.25V, which aligns with the common TTL (Transistor-Transistor Logic) levels used in digital systems.

Engineers and designers often select the SN74LS279N for its reliability and robust performance in applications such as data storage, control systems, and digital logic circuits. Its ability to maintain a stable state until commanded to change makes it particularly useful in latch and flip-flop circuits where data integrity is crucial.

Furthermore, the SN74LS279N is characterized by its fast setup and hold times, which contribute to its high-speed operation, a feature that is essential in modern digital electronics where timing is critical. The IC's low power consumption also makes it suitable for battery-operated devices or energy-efficient systems.

Overall, the SN74LS279N from ON Semiconductor is a high-quality, reliable component that provides an efficient solution for temporary data storage and state retention in a multitude of digital applications.