STMicroelectronics M74HC259B1 8-bit Addressable Latch

The M74HC259B1 is a high-speed CMOS 8-bit addressable latch designed and manufactured by STMicroelectronics. This integrated circuit is part of the HC family, which ensures a balance between speed and power consumption, making it suitable for a wide range of applications in the electronics industry. The device is particularly well-suited for use in systems where multiple data lines need to be controlled by a single line, such as in data multiplexing, memory addressing, and various control applications.

This addressable latch features eight latches with three address inputs (A, B, and C), a data input (D), and a write enable input (G). The device operates on a supply voltage ranging from 2V to 6V, providing compatibility with TTL levels while maintaining the low power consumption characteristic of CMOS technology. This makes the M74HC259B1 an excellent choice for interfacing with both CMOS and TTL logic levels.

The M74HC259B1 offers a clear function, which is active at a low logic level. This allows for all the latches to be reset simultaneously, ensuring a quick and efficient way to clear the device's state when needed. Additionally, the device boasts a high noise immunity and low power dissipation, with a typical quiescent current of only 80nA, which is especially beneficial for battery-operated and power-sensitive applications.

STMicroelectronics packages the M74HC259B1 in a standard 16-pin DIP package, making it easy to integrate into various circuit boards. The pin configuration is designed for straightforward implementation, ensuring that designers can incorporate the device into their systems with minimal hassle.

Overall, the M74HC259B1 from STMicroelectronics is a versatile and reliable component that offers the functionality of an 8-bit addressable latch with the performance benefits of CMOS technology. Its compatibility with a wide voltage range and low power consumption makes it an excellent choice for designers looking to create efficient and high-performing electronic systems.