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Product Detailed Parameters
- Description：IC UART CMOS DUAL 44PLCC
- Series：-
- Mfr：MaxLinear, Inc.
- Package：Tube
- Features：Internal Oscillator, Timer/Counter
- Number of Channels：2, DUART
- FIFO's：3 Byte
- Protocol：-
- Data Rate (Max)：1Mbps
- Voltage - Supply：5V
- With Auto Flow Control：-
- 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 XR88C681J-F is a CMOS Dual Channel Universal Asynchronous Receiver and Transmitter (DUART) manufactured by MaxLinear, Inc. It features two full-duplex independent channels supporting data rates up to 1 Mb/s. The device operates on a single 5 V supply voltage and includes an internal oscillator and timer/counter capabilities. Packaged in a 44-pin PLCC (Plastic Leaded Chip Carrier) format, it is designed for serial I/O control applications requiring robust asynchronous communication interfaces.
Feature Summary
- Dual independent full-duplex communication channels
- Integrated internal oscillator and timer/counter functions
- CMOS technology with 5 V single-supply operation
Applications
- Serial input/output controller systems
- Industrial communication interface modules
- Embedded system serial port expansion
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels due to potential availability constraints. Confirm RoHS compliance status and specific manufacturing lot details prior to procurement. Ensure the package type matches the target PCB footprint requirements exactly.
Selection Notes
Select this component when dual-channel asynchronous serial communication is required within a compact surface-mount form factor. Consider the 44-pin PLCC package dimensions during layout planning. Verify that the 5 V operating voltage aligns with the system power architecture before integration.
Part Context
This part belongs to the XR88C681 series of dual UART controllers. It serves as a serial interface solution for embedded applications. The device integrates standard UART functionality with additional timing features, distinguishing it from basic UART transceivers by providing complete channel control within a single integrated circuit package.
Replacement Considerations
Check for pin-compatible alternatives within the same family if supply is limited. Verify electrical specifications match exactly. No direct public substitute part numbers are confirmed in available documentation.
