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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 XR88C92IJ-F is a dual-channel Universal Asynchronous Receiver and Transmitter (UART) interface integrated circuit manufactured by MaxLinear. It features an 8-byte transmit and receive FIFO for each channel, supporting data rates up to 1 Mb/s. The device operates within a supply voltage range of 2.97 V to 5.5 V, with typical operating voltages at 3.3 V or 5 V. It is housed in a 44-pin PLCC package and supports surface mount installation. The industrial temperature range spans from -40°C to +85°C, with a typical operating current of 1.5 mA.
Feature Summary
- Dual UART channels with independent 8-byte transmit and receive FIFOs
- Supports standard asynchronous serial communication protocols
- Integrated internal oscillator and configurable GPIO pins
- Hardware flow control support for reliable data transmission
Applications
- Industrial automation systems requiring serial I/O expansion
- Embedded controllers needing multiple UART interfaces
- Telecommunications equipment with serial port requirements
- Test and measurement instruments utilizing RS-232/RS-485 interfaces
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels due to end-of-life status. Check for product change notices regarding pinout or electrical parameter updates. Confirm RoHS compliance documentation matches specific manufacturing dates. Request lot traceability information for quality assurance purposes before finalizing procurement decisions.
Selection Notes
Compare against the XR68C92 series for alternative packaging options such as LQFP. Evaluate thermal performance requirements when selecting between PLCC and other available packages. Ensure voltage levels match system logic standards, particularly for 3.3 V and 5 V compatibility. Consider pin count and interface flexibility when designing PCB layouts for dual-channel applications.
Part Context
This component belongs to the VLIO UART family from MaxLinear, previously associated with Exar Corporation. It serves as a legacy serial interface solution for systems requiring robust asynchronous communication capabilities. The part number suffix 'IJ' indicates the specific package type and temperature rating configuration within the broader product line.
Replacement Considerations
The XR88C92CV-F offers a TQFP package variant with similar functionality. The XR68C92IJ-F provides an industrial temperature grade alternative in PLCC format. Verify pin compatibility and register mapping before substituting these parts in existing designs.
