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| Product attributes | Property Value |
| Manufacturer | Fairchild Semiconductor |
| Product Series | |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Translation Transceiver |
| Number of Elements | 1 |
| Number of Bits per Element | 2 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 24mA, 24mA |
| Voltage - Supply | 1.1V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 10-UFQFN Exposed Pad |
| Supplier Device Package | 10-UFQFN Exposed Pad |
The FXL2T245L10X is a 1-bit dual-supply translating transceiver designed for bidirectional voltage level shifting. It operates from 1.1V to 3.6V on both ports, enabling seamless communication between different logic levels. With 24mA output drive and 3-state outputs, it provides robust signal integrity for SPI, I2C, and UART interfaces. The compact 10-UFQFN package makes it ideal for space-constrained applications.
- Dual-Supply Level Translation: Allows direct interfacing between 1.2V, 1.8V, 2.5V, and 3.3V logic, eliminating the need for external level shifters.
- Bidirectional 3-State Outputs: Supports flexible data flow in both directions, ideal for bus-based protocols.
- High 24mA Output Drive: Ensures strong signal integrity, even with capacitive loads or long traces.
- Compact 10-UFQFN Package: Saves board space in dense designs, suitable for portable and embedded systems.
Bidirectional Level Translation for I2C
The FXL2T245L10X can be used to translate bidirectional I2C signals between a 1.8V sensor and a 3.3V microcontroller. The 3-state outputs and direction control allow seamless data flow in both directions without signal corruption.
SPI Bus Interfacing
In systems where an SPI master operates at 3.3V and a slave at 1.8V, this transceiver can translate the MOSI, MISO, and clock signals. The 24mA drive ensures signal integrity over longer PCB traces.
UART Communication Between Different Voltage Domains
For connecting a 2.5V GPS module to a 3.3V processor, the FXL2T245L10X provides a simple solution. It translates TX and RX lines bidirectionally, ensuring reliable serial communication.
SD Card Interface Level Shifting
SD cards often operate at 1.8V or 3.3V. This transceiver can adapt the host controller's voltage to the card's requirements, supporting both voltage modes with a single device.
GPIO Expansion in Mixed-Voltage Systems
When a 1.2V FPGA needs to communicate with 3.3V peripherals, this transceiver can buffer and translate GPIO signals. The 3-state outputs allow for bus isolation when the FPGA is in reset.
Industrial Sensor Networks
In industrial settings, sensors may use different voltage levels. This transceiver can interface a 3.3V PLC controller with 1.8V or 2.5V sensors, ensuring robust communication in harsh environments.
- Q: What is the function of the FXL2T245L10X?
- A: It is a 1-bit dual-supply translating transceiver, allowing bidirectional level translation.
- Q: How many channels does it have?
- A: It has 1 channel (1-bit) for data transmission.
- Q: What type of output does it feature?
- A: It features 3-state outputs on both ports, enabling bidirectional communication.
- Q: What is the operating voltage range?
- A: It operates from 1.1V to 3.6V on both supply rails, allowing translation between various voltage levels.
- Q: What is the output current capability?
- A: It can source and sink 24mA, providing strong drive capability.
- Q: What package is available?
- A: It is available in a 10-pin UFQFN package with an exposed pad (10-UFQFN).
FXL2T245L10X.pdf
- Q: What is the function of the FXL2T245L10X?
- A: It is a 1-bit dual-supply translating transceiver, allowing bidirectional level translation.
- Q: How many channels does it have?
- A: It has 1 channel (1-bit) for data transmission.
- Q: What type of output does it feature?
- A: It features 3-state outputs on both ports, enabling bidirectional communication.
- Q: What is the operating voltage range?
- A: It operates from 1.1V to 3.6V on both supply rails, allowing translation between various voltage levels.
- Q: What is the output current capability?
- A: It can source and sink 24mA, providing strong drive capability.
- Q: What package is available?
- A: It is available in a 10-pin UFQFN package with an exposed pad (10-UFQFN).