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Product Detailed Parameters
- Description：IC UART FIFO DUAL 44PLCC
- Series：-
- Mfr：MaxLinear, Inc.
- Package：Tube
- 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 XR88C92CJ-F is a dual-channel Universal Asynchronous Receiver/Transmitter (UART) interface integrated circuit manufactured by MaxLinear. It operates within a supply voltage range of 2.97V to 5.5V and supports data rates up to 1 Mb/s, with specific configurations supporting 230.4Kbps. The device features 8-byte transmit and receive FIFOs for each channel and includes automatic flow control capabilities. Packaged in a 44-pin Plastic Leaded Chip Carrier (PLCC), it functions as a Serial I/O Controller compatible with Intel bus standards. The component is designed for surface mount installation and operates within a commercial temperature range of 0°C to +70°C.
Feature Summary
- Dual UART channels with independent 8-byte FIFO buffers
- Integrated automatic hardware flow control
- Configurable general-purpose input/output pins
- Internal oscillator and timer/counter functionality
Applications
- Industrial serial communication systems
- Embedded controller peripheral expansion
- Legacy system interface adaptation
Procurement Notes
This component is officially listed as End-of-Life (EOL) by the manufacturer. Discontinuation notifications were issued in July and December 2024. Verification of current stock availability through authorized distributors is required, though standard procurement channels may no longer support new orders. Engineers should confirm the finality of the EOL status before finalizing design implementations.
Selection Notes
Designers requiring this specific pinout and feature set must evaluate alternative components due to the discontinuation status. Selection criteria should focus on maintaining compatibility with the 44-PLCC package and ensuring equivalent FIFO depths and voltage ranges. Cross-referencing datasheets for functional parity is essential when identifying replacement parts from other manufacturers or newer generations within the same product family.
Part Context
The XR88C92CJ-F belongs to the XR88C series of VLIO UARTs produced by MaxLinear, formerly Exar Corporation. This series provides versatile serial communication solutions for embedded applications. The part number suffix 'F' typically denotes lead-free compliance and environmental specifications consistent with RoHS directives. The device serves as a bridge between parallel microprocessor buses and asynchronous serial data streams.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Designers should consult official MaxLinear application notes for recommended cross-reference models or contact technical support for validated alternatives that match the electrical and mechanical specifications.
