U4256BM-NFS

RF Misc ICS And Modules Overview

The U4256BM-NFS is an obsolete RF IC frequency synthesizer manufactured by Microchip Technology. Designed for AM and FM applications, it functions as a 15MHz up-converter. The component utilizes a surface-mount 20-SSOP package configuration. It is classified under RF IC Frequency Synthesizers and was produced by Micrel, which has been acquired by Microchip Technology.

RF Misc ICS And Modules Feature Summary

• Integrated frequency synthesis capability for radio applications
• Supports AM and FM modulation formats
• Surface-mount construction for automated assembly

RF Misc ICS And Modules Applications

• AM radio frequency conversion systems
• FM radio frequency conversion systems
• RF signal processing modules

RF Misc ICS And Modules Procurement Notes

Verify component status carefully as the U4256BM-NFS is officially listed as obsolete by the manufacturer. Sourcing may require checking secondary market availability or legacy stock from authorized distributors. Confirm lead times and authenticity through verified channels before procurement to ensure supply chain reliability for existing designs.

RF Misc ICS And Modules Selection Notes

Consider this component only for maintenance of existing equipment utilizing the 15MHz up-converter architecture. Due to its obsolete status, new product development should evaluate alternative modern frequency synthesizers with comparable specifications. Ensure design compatibility with the 20-SSOP footprint if replacement is necessary for legacy hardware.

RF Misc ICS And Modules Part Context

This part belongs to the family of RF integrated circuits focused on frequency synthesis. Historically associated with Micrel products now managed by Microchip Technology, it serves niche roles in analog radio frequency conversion. The specific model represents a specialized solution for fixed-frequency up-conversion tasks within wireless communication infrastructure.

RF Misc ICS And Modules Replacement Considerations

No public confirmed substitute part numbers are available in official documentation. As the component is obsolete, engineers must identify functional equivalents based on pinout and electrical parameter matching rather than direct cross-reference lists provided by the manufacturer.