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Product Detailed Parameters
- Description：IC DUART CMOS 44LQFP
- Series：-
- Mfr：MaxLinear, Inc.
- Package：Tray
- 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-LQFP
- Supplier Device Package：44-LQFP (10x10)
- Grade：-
- Qualification：-
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Overview
The XR68C92IV-F is a dual-channel UART interface integrated circuit manufactured by MaxLinear, Inc. It operates within a supply voltage range of 2.97 V to 5.5 V, supporting standard 3.3 V and 5 V logic levels. The device features an 8-byte transmit and receive FIFO for each channel, enabling efficient data buffering. It supports data rates up to 1 Mb/s and includes a Motorola bus interface option alongside standard parallel interfaces. The component is housed in a 44-pin LQFP package suitable for surface mount technology. It functions reliably across an industrial temperature range from 0°C to +70°C with a maximum operating current of 1.5 mA.
Feature Summary
- Dual independent UART channels with dedicated 8-byte FIFOs for simultaneous serial communication
- Supports multiple interface protocols including standard parallel bus and Motorola bus modes
- Integrated low-power operation with reduced current consumption during active states
Applications
- Industrial control systems requiring reliable serial communication
- Embedded systems needing dual asynchronous serial ports
- Motorola bus compatible legacy system interfaces
Procurement Notes
Verify the specific suffix IV against official datasheets to confirm package type and temperature grade. Confirm end-of-life status with authorized distributors as availability may be restricted. Ensure moisture sensitivity level handling procedures are followed during assembly to prevent damage.
Selection Notes
Select this component when dual UART functionality with FIFO buffering is required in a compact LQFP package. Compare against single-channel alternatives if only one port is needed. Verify that the 8-byte FIFO depth meets the system's throughput requirements without excessive host intervention.
Part Context
This part belongs to the XR68C192 series of VLIO UARTs from MaxLinear. It shares architectural similarities with other members like the XR68C92CV-F but differs in package and temperature specifications. The series provides versatile serial I/O solutions for embedded applications.
Replacement Considerations
Check for direct pin-compatible substitutes within the same family. Verify electrical compatibility before substituting with similar dual UART ICs from other manufacturers.
