SCAN25100TYAX

Serializers, Deserializers Overview

The SCAN25100TYAX is a serialiser/deserialiser (SerDes) integrated circuit manufactured by National Semiconductor, now part of Texas Instruments. It supports Common Public Radio Interface (CPRI) data rates of 2457.6 Mbps, 1228.8 Mbps, and 614.4 Mbps. The device features auto rate resynchronization and precision delay calibration measurement capabilities. It is housed in a 100-lead HTQFP package with dimensions of 14x14 mm. The component operates within a temperature range of -40°C to 85°C and supports LVCMOS/LVTTL input/output types.

Serializers, Deserializers Feature Summary

• Supports CPRI standard data rates including 2457.6, 1228.8, and 614.4 Mbps
• Includes auto rate resynchronization functionality for dynamic link adaptation
• Provides precision delay calibration measurement for timing accuracy

Serializers, Deserializers Applications

• Base station front-end interfaces
• Radio over fiber systems
• Distributed antenna systems

Serializers, Deserializers Procurement Notes

Verify the obsolete status of this National Semiconductor part number before procurement planning. Confirm availability through authorized distributors or secondary market suppliers as original manufacturing may have ceased. Ensure compatibility with existing system designs requiring CPRI SerDes solutions.

Serializers, Deserializers Selection Notes

Select this component for applications requiring specific CPRI data rates and precision delay calibration. Consider the 100-HTQFP package constraints and operating temperature range. Verify that the LVCMOS/LVTTL interface levels match the connected logic devices in the design architecture.

Serializers, Deserializers Part Context

This part belongs to the SCAN25 series of CPRI SerDes devices from National Semiconductor. It is functionally equivalent to the SCAN25100TYA/NOPB variant produced by Texas Instruments following the acquisition of National Semiconductor. The 'X' suffix typically denotes tape and reel packaging.

Serializers, Deserializers Replacement Considerations

The SCAN25100TYA/NOPB is a confirmed direct replacement manufactured by Texas Instruments. Verify pinout and electrical parameter compatibility before substitution.