The SN74LS273NS from Texas Instruments is a high-performance, octal D-type flip-flop with a clear function. This integrated circuit is designed for general-purpose storage applications in digital systems. It is a member of the 74LS family, which is well-known for its low-power Schottky technology, offering a good balance between speed and power consumption.
Each flip-flop is positive-edge triggered, meaning data is entered into the flip-flop's memory and locked in place when the clock input rises from low to high. The clear input is asynchronous, allowing for the immediate clearing of all flip-flops when it is activated, regardless of the clock input. This feature is particularly useful for initializing registers and counters in digital systems.
The SN74LS273NS comes in a 20-pin SOP (Small Outline Package) that is designed for space-saving on printed circuit boards, making it a suitable choice for compact electronic projects and commercial devices. It operates within a voltage range of 4.75V to 5.25V, which is standard for 5V logic families, and has a typical power dissipation of 200mW, ensuring efficient operation for a wide range of applications.
With its high current capability, the SN74LS273NS can drive loads with a high degree of reliability, and its fast switching speeds make it an ideal choice for high-speed data processing and storage. The device is characterized for operation from 0°C to 70°C, making it suitable for commercial temperature ranges.
Key features of the SN74LS273NS include:
- Eight D-type flip-flops with clear
- Direct clear input
- Edge-triggered clocking
- High-current totem-pole outputs
- Typical clock frequency of 35MHz
- Typical power dissipation of 200mW
- Wide operating voltage range
- Commercial temperature range operation
Whether you're designing a complex digital system or simply need reliable storage elements for your circuit, the SN74LS273NS from Texas Instruments provides the performance and functionality required for a broad array of electronic applications.