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Product Detailed Parameters
- Description：IC UART FIFO DUAL 44PLCC
- Series：-
- Mfr：MaxLinear, Inc.
- Package：Tape & Reel (TR)
- Features：Configurable GPIO, Internal Oscillator, Timer/Counter
- Number of Channels：2, DUART
- FIFO's：8 Byte
- Protocol：-
- Data Rate (Max)：230.4Kbps
- Voltage - Supply：2.97V ~ 5.5V
- With Auto Flow Control：Yes
- With IrDA Encoder/Decoder：-
- With False Start Bit Detection：-
- With Modem Control：-
- Mounting Type：Surface Mount
- Package / Case：44-LCC (J-Lead)
- Supplier Device Package：44-PLCC (16.59x16.59)
- Grade：-
- Qualification：-
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Overview
The XR88C92IJTR-F is a dual-channel UART interface integrated circuit manufactured by MaxLinear. It features two independent DUART channels with 8-byte transmit and receive FIFOs for each channel. The device supports data rates up to 230.4 Kbps and operates within a supply voltage range of 2.97V to 5.5V. It includes automatic flow control, configurable GPIOs, an internal oscillator, and timer/counter functions. The component is housed in a 44-PLCC package (16.59x16.59 mm) and is designed for surface mount installation.
Feature Summary
- Dual independent UART channels with dedicated 8-byte FIFO buffers
- Integrated automatic hardware flow control capability
- Configurable general-purpose input/output pins
- Built-in internal oscillator and timer/counter modules
Applications
- Industrial communication systems requiring serial data exchange
- Embedded controllers needing additional serial ports
- Telecommunications equipment interfaces
- Point-of-sale terminals and kiosks
Procurement Notes
Verify the specific suffix 'IJTR' against official MaxLinear documentation to confirm tape-and-reel packaging and industrial temperature grade specifications. Confirm current availability status as discontinuation notices may apply to this series. Ensure compatibility with existing PCB footprints for the 44-PLCC package before procurement.
Selection Notes
Select this component when dual serial interfaces are required within a single package footprint. Compare FIFO depth requirements against other UART models if larger buffering is needed. Verify that the 230.4 Kbps maximum data rate meets system timing constraints. Check operating temperature range alignment with environmental conditions.
Part Context
This part belongs to the XR88C92 family of low-voltage CMOS UARTs. It shares functional similarities with the XR88C92CJ-F but differs in packaging and temperature rating. The series is designed to replace legacy 16550-compatible UARTs while offering lower power consumption and additional integrated features like GPIOs.
Replacement Considerations
Check for direct pin-to-pin replacements within the XR88C92 series such as the XR88C92CJ-F. Verify electrical parameter compatibility including voltage levels and signal integrity. Review datasheets for any differences in register mapping or initialization sequences between variants.
