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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：16 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 XR88C192IJ-F is a dual Universal Asynchronous Receiver/Transmitter (UART) interface integrated circuit manufactured by MaxLinear. It features two independent DUART channels with 16-byte transmit and receive FIFOs, supporting data rates up to 230.4kbps. The device operates on a single supply voltage ranging from 2.97V to 5.5V. It is housed in a 44-pin PLCC package with J-leads. Key functional blocks include an internal oscillator, configurable general-purpose I/O pins, and hardware flow control support.
Feature Summary
- Dual channel architecture with dedicated 16-byte FIFO buffers for each transmitter and receiver path.
- Integrated internal oscillator eliminates the need for external clock components.
- Configurable GPIO pins provide additional system control flexibility.
- Hardware automatic flow control manages data transmission efficiency.
Applications
- Industrial communication systems requiring reliable serial data exchange.
- Embedded controllers needing multiple asynchronous serial ports.
- Point-of-sale terminals utilizing UART connectivity.
- Medical equipment interfaces requiring robust serial communication protocols.
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for recent Product Discontinuation Notifications. Ensure the specific suffix matches required packaging and temperature grades. Request batch traceability documentation for critical applications.
Selection Notes
Compare FIFO depth requirements against competing models like the XR88C92 series which offers smaller buffers. Verify pin compatibility if replacing legacy Exar components. Check operating temperature ranges against environmental specifications. Ensure voltage levels match the target system logic standards.
Part Context
This component belongs to the XR88Cx92 family of dual UART controllers. It serves as a bridge between parallel microprocessor buses and serial communication lines. The part integrates standard UART functionality with enhanced FIFO capabilities to reduce CPU overhead during high-speed data transfers.
Replacement Considerations
The XR88C92CJ-F is a related model within the same family but features 8-byte FIFOs instead of 16-byte buffers. Verify pin-to-pin compatibility and software register mapping before substitution. Other variants may differ in package type or temperature rating.
