STMicroelectronics 74LX1G125STR Single Bus Buffer/Gate

The 74LX1G125STR from STMicroelectronics is a high-performance, single bus buffer/gate with 3-state output from the advanced ultra-low power CMOS family. This versatile component is designed to meet the stringent requirements of today's high-speed, low-power design needs. It is ideal for use in a variety of digital circuits where buffering or isolation is required, such as in communication devices, computers, controllers, and other sophisticated digital systems.

The device features a single line driver with a 3-state output, which can be controlled by the input enable pin. When the output enable (OE) input is high, the output is in a high-impedance state, effectively isolating the bus line. This feature is particularly useful in applications where multiple drivers share the same bus and need to avoid bus contention.

STMicroelectronics has designed the 74LX1G125STR to be fully compatible with 5V TTL levels while maintaining the low-voltage and low-power benefits of advanced 3.3V CMOS technology. This makes it suitable for interfacing with both legacy systems and modern low-power components. The device is guaranteed to operate over a wide voltage range of 1.65V to 5.5V, providing design flexibility and ensuring compatibility with a broad range of supply voltages.

Key features of the 74LX1G125STR include:

• High-speed operation: t_PD = 4.6 ns (max) at V_CC = 3.3V
• Low power dissipation: I_CC = 1 μA (max) at T_A = 25°C
• Power-down protection on inputs and outputs
• Low noise: V_OLP = 0.8V (max)
• Operating temperature range: -40°C to +85°C

For ease of manufacturing, the 74LX1G125STR is provided in a space-saving SOT-23-5 package, which is suitable for high-density mounting and is compatible with automated assembly processes. The device is also characterized for ESD protection, ensuring robustness for handling and long-term reliability in the field.

Overall, the STMicroelectronics 74LX1G125STR is an excellent choice for designers looking for a reliable, low-power single bus buffer/gate with the added benefit of 3-state output, wide operating voltage range, and compatibility with various logic levels.