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Product Detailed Parameters
- Description：XR17V258IV-SAA-F
- Series：-
- Mfr：MaxLinear, Inc.
- Package：Bulk
- Features：Timer/Counter
- Number of Channels：8, OCTART
- FIFO's：64 Byte
- Protocol：RS232, RS422, RS485
- Data Rate (Max)：8Mbps
- Voltage - Supply：3V ~ 3.6V
- With Auto Flow Control：Yes
- With IrDA Encoder/Decoder：Yes
- With False Start Bit Detection：Yes
- With Modem Control：Yes
- Mounting Type：Surface Mount
- Package / Case：144-LQFP
- Supplier Device Package：144-LQFP (20x20)
- Grade：-
- Qualification：-
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Overview
The XR17V258IV-SAA-F is an eight-channel UART interface integrated circuit designed for PCI bus systems. It features a 64-byte FIFO buffer per channel and supports data rates up to 8 Mbps. The device accommodates RS232, RS422, and RS485 protocols with automatic flow control and IrDA encoding. Operating on a single 3.3V or 5V supply, it utilizes a 144-LQFP surface-mount package.
Feature Summary
- Supports multiple serial protocols including RS232, RS422, and RS485
- Integrates automatic hardware flow control mechanisms
- Includes built-in IrDA encoder and decoder functionality
- Provides dedicated transmit and receive buffers for each channel
Applications
- Industrial automation control systems
- Telecommunications equipment interfaces
- Embedded computer peripheral expansion
- Multi-port serial communication adapters
Procurement Notes
Verify component authenticity through authorized channels as this part may be obsolete. Confirm voltage specifications match system requirements before integration. Check datasheet revisions for pinout consistency. Ensure ESD protection measures are implemented during handling due to CMOS sensitivity.
Selection Notes
Select this component when designing multi-port serial interfaces requiring protocol flexibility. Ideal for applications needing simultaneous RS232, RS422, and RS485 support within a compact footprint. Consider thermal dissipation requirements for the LQFP package in enclosed environments.
Part Context
This model belongs to the MaxLinear XR17V258 series of octal UART controllers. It serves as a high-density solution for replacing legacy discrete UART components. The series is engineered for robust performance in demanding industrial and commercial computing environments.
Replacement Considerations
XR17V258IV
FAQ
Does the XR17V258IV-SAA-F support IrDA communication?
Yes, the device includes a built-in IrDA encoder and decoder for infrared data transmission.
What is the maximum data rate supported by this IC?
The integrated circuit supports data rates up to 8 Mbps across its channels.
