The ON Semiconductor FXLA104UM12X is a versatile, high-performance level shifter designed for interfacing between different voltage domains in digital circuits. This device is particularly useful in applications where signals need to be translated between various logic levels, making it ideal for modern microcontrollers, FPGAs, and other digital devices that operate at different voltage levels.

## Key Features:

1. Quad-Level Shifting: The FXLA104UM12X features four independent channels, allowing for simultaneous level shifting of multiple signals. This is particularly beneficial in applications where multiple data lines need to be interfaced between different voltage levels.

2. Dual Supply Operation: The device supports dual supply voltages, enabling it to interface between low-voltage and high-voltage systems. The A-side (input) can operate from 1.2V to 3.6V, while the B-side (output) can operate from 1.65V to 5.5V.

3. Bidirectional Data Transfer: The FXLA104UM12X supports bidirectional data transfer, allowing signals to be sent in both directions without the need for additional control signals. This feature simplifies the design and reduces the number of components required.

4. High-Speed Performance: The device is capable of supporting data rates up to 30 Mbps, making it suitable for high-speed applications where rapid signal transmission is essential.

5. Low Power Consumption: Designed with energy efficiency in mind, the FXLA104UM12X consumes minimal power, which is particularly important for battery-operated devices and energy-sensitive applications.

6. Wide Operating Temperature Range: The device operates effectively across a temperature range of -40°C to +125°C, making it suitable for automotive, industrial, and other demanding environments.

7. Integrated Pull-Up Resistors: The FXLA104UM12X features integrated pull-up resistors on the B-side, which simplifies the design process and reduces the need for external components.

8. Compact Package: The device is available in a small 12-pin UDFN package, making it suitable for space-constrained applications.

## Specifications:

- Supply Voltage (VCCA): 1.2V to 3.6V (A-side)
- Supply Voltage (VCCB): 1.65V to 5.5V (B-side)
- Input Voltage Levels: Compatible with 1.2V, 1.8V, 2.5V, 3.3V, and 5V logic levels
- Output Voltage Levels: Corresponding to the B-side supply voltage
- Data Rate: Up to 30 Mbps
- Propagation Delay: Typically around 5 ns
- Input Capacitance: Approximately 3 pF (typical)
- Output Drive Current: ±24 mA (maximum)
- Power Consumption: Low static and dynamic power consumption
- Package Type: 12-pin UDFN

## Applications:

The FXLA104UM12X is suitable for a wide range of applications, including:

- Microcontroller Interfacing: Facilitating communication between microcontrollers operating at different voltage levels.
- FPGA Level Shifting: Enabling FPGAs to interface with other digital components that operate at varying voltages.
- I2C and SPI Communication: Level shifting for I2C and SPI buses, which often require different voltage levels for different devices.
- Sensor Interfacing: Connecting sensors that operate at different voltage levels to microcontrollers or processors.

## Conclusion:

The ON Semiconductor FXLA104UM12X is a robust and efficient quad-level shifter that provides a reliable solution for interfacing between different voltage domains in digital circuits. Its high-speed operation, bidirectional data transfer capability, and low power consumption make it an excellent choice for modern electronic applications. Whether used in consumer electronics, automotive systems, or industrial controls, the FXLA104UM12X is designed to meet the demands of today%27s complex digital environments, ensuring seamless communication across various voltage levels.