N82077AA5

Controllers Overview

The N82077AA5 is a floppy disk drive controller interface integrated circuit manufactured by Altera, packaged in a 68-pin LCC (J-Lead) format. It supports an external data bus width of 8 bits and operates at a maximum data transfer rate of 0.0625 MBps. The device functions within a supply voltage range of 4.5V to 5.5V and maintains an operating temperature range of 0°C to 70°C. It is designed for PC-AT and PS/2 host interfaces.

Controllers Feature Summary

• Supports PC-AT and PS/2 host interface standards
• Integrates power management features
• CMOS technology implementation

Controllers Applications

• Floppy disk drive control systems
• PC-AT compatible hardware platforms
• PS/2 interface implementations

Controllers Procurement Notes

Verify the manufacturer designation carefully, as this component is historically associated with Intel before acquisition by Altera/Microchip. Confirm the specific package variant matches the 68-LCC requirement. Ensure compliance with RoHS status if required for modern production environments. Cross-reference datasheets from Microchip USA for accurate electrical specifications.

Controllers Selection Notes

Select this component specifically for legacy floppy disk drive applications requiring PC-AT or PS/2 compatibility. It is suitable for systems needing an 8-bit external data bus interface. Consider the 0°C to 70°C operating temperature range for environmental constraints. Verify that the 4.5V to 5.5V supply voltage aligns with system power design.

Controllers Part Context

This controller interface IC belongs to the embedded processor and microcontroller category. It serves as a specialized peripheral for managing storage devices in older computing architectures. The component bridges the gap between the host system and floppy disk drives using standard interface protocols.

Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult Microchip USA for current availability and potential obsolescence notices.