ON Semiconductor MC74VHC573DTR2G Octal Latch

The MC74VHC573DTR2G is a high-performance, octal latch integrated circuit from ON Semiconductor, designed for use in a wide range of digital applications. This IC is part of the VHC family of products, which are known for their high noise immunity and low power consumption, making them suitable for interfacing with 5V systems while maintaining the speed of CMOS technology.

The device features eight latches with 3-state outputs for bus organized systems applications. It comes in a TSSOP-20 package, which is a space-saving and surface-mountable solution, perfect for compact and high-density circuit designs. The MC74VHC573DTR2G is capable of operating with a supply voltage range of 2.0V to 5.5V, which allows for its use in various logic-level environments, from low-voltage portable equipment to standard 5V logic, providing design flexibility.

Each latch is equipped with a latch-enable (LE) and output-enable (OE) input. When the LE input is high, the Q outputs will follow the data (D) inputs. If LE is taken low, the Q outputs will be latched at the levels set up at the D inputs. A high on OE causes the outputs to assume a high-impedance OFF-state. Conversely, when OE is low, the true data is present at the outputs. This feature makes it easy to interface with buses or data communication lines where multiple devices may need to take turns driving a common signal line.

The MC74VHC573DTR2G is characterized for operation from -55°C to +125°C, ensuring reliability over a wide temperature range. This, along with its fast propagation delay and high current drive capability, makes it a robust choice for industrial, automotive, and telecommunications applications. The device also includes input hysteresis, which increases its tolerance to slower input rise and fall times, and helps to prevent noise-related issues.

Overall, the ON Semiconductor MC74VHC573DTR2G octal latch is a versatile and reliable component for designers looking to create efficient and high-performance digital systems.