FDC92C81P

Controllers Overview

The FDC92C81P is a floppy disk controller manufactured by SMSC. It is designed to manage data transfer and control signals for floppy disk drives in computer systems. The component utilizes CMOS technology and is housed in a ceramic DIP package with through-hole dual terminals. The device supports tin/lead surface finish and operates as an inline component. It functions as a drive electronics interface, facilitating communication between the system bus and peripheral storage devices.

Controllers Feature Summary

• CMOS technology implementation for drive electronics
• Ceramic DIP packaging with through-hole dual terminals
• Floppy disk drive control functionality

Controllers Applications

• Legacy floppy disk drive control systems
• Computer peripheral interface circuits
• Data transfer management for secondary storage

Controllers Procurement Notes

Verify RoHS compliance status prior to procurement, as documentation indicates non-compliance. Confirm the specific package variant, as listings reference both standard DIP and unspecified DIP forms. Ensure the tin/lead terminal finish aligns with assembly requirements. Cross-reference the manufacturer designation SMSC with current Microchip Technology holdings if supply chain continuity is required. Validate the exact pinout against the official datasheet to prevent integration errors.

Controllers Selection Notes

Select this component for applications requiring dedicated floppy disk controller capabilities within legacy architectures. Consider the ceramic DIP package constraints for PCB layout and thermal management. Evaluate the CMOS technology compatibility with existing system voltage levels. Assess the need for through-hole mounting versus surface mount alternatives if modernizing designs. Verify interface requirements against the specific floppy drive specifications intended for use.

Controllers Part Context

SMSC Corporation specialized in interface and connectivity solutions before its acquisition by Microchip Technology. The FDC series represented a line of controllers for peripheral devices. This specific part belongs to the broader category of memory and storage controllers. The transition from SMSC to Microchip affects long-term support and documentation availability. Understanding this corporate history aids in sourcing replacement components or updated equivalents.

Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Consult Microchip Technology for current equivalent offerings. Verify functional compatibility regarding interface protocols and pin assignments before substitution.