ON Semiconductor MC74HC573ADWR2: Octal 3-State Non-Inverting Latch

The MC74HC573ADWR2 is a high-performance integrated circuit produced by ON Semiconductor, a leader in energy-efficient electronics innovation. This particular device is an octal 3-state non-inverting latch designed for use in a wide range of digital applications. It is part of the high-speed CMOS family and is fabricated with silicon gate CMOS technology.

With its robust design, the MC74HC573ADWR2 offers a significant upgrade for systems requiring an 8-bit parallel latch. The device consists of eight latches with 3-state outputs for bus-organized system applications. The latches are transparent D-type latches, meaning that while the latch-enable (LE) input is high, the Q outputs follow the data (D) inputs. When LE is taken low, the data that meets the setup time is latched at the Q outputs and held stable, allowing for controlled data management within a system.

The 3-state outputs are essential for bus-oriented applications. They can be placed in a high-impedance state, effectively disconnecting the latch output from the bus, which prevents bus contention while allowing multiple devices to share the same bus line.

The MC74HC573ADWR2 operates at a voltage range of 2V to 6V, making it compatible with TTL levels while maintaining the low power consumption characteristic of CMOS devices. This wide operating voltage range and low power consumption make it suitable for battery-powered and portable devices, as well as for interfacing with standard logic families.

Available in a widebody SOIC-20 package, the MC74HC573ADWR2 offers a compact footprint for space-constrained applications. Its operating temperature range from -55°C to 125°C ensures reliability across a wide range of environmental conditions.

ON Semiconductor's commitment to quality is evident in the MC74HC573ADWR2, as it is designed to meet the stringent requirements of the automotive industry under the AEC-Q100 standard. This makes it an ideal choice for automotive applications as well as industrial, consumer, and telecommunication systems.

In summary, the MC74HC573ADWR2 from ON Semiconductor is a versatile, high-performance octal latch that provides efficient data storage and bus management capabilities, suitable for a variety of digital applications.