UPD765B, UPD765A Datasheet - NEC Electronics

UPD765B, UPD765A, Single / Double Density Floppy-Disk Controller

NEC NEC Electronics Inc.uPD765A/uPD765B Single/Double Density Floppy-Disk Controller .
The uPD765A/B is an LSI floppy disk controller (FDC) chip which contains the circuitry and control functions for interfacing a processor to 4 floppy.

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UPD765A_NECElectronics.pdf

UPD765B Datasheet Preview — This datasheet PDF includes multiple part numbers: UPD765B, UPD765A. Please refer to the document for exact specifications by model.

Datasheet Details

Part number:

UPD765B, UPD765A

Manufacturer:

NEC Electronics

File Size:

335.09 KB

Description:

Single / Double Density Floppy-Disk Controller

Note:

This datasheet PDF includes multiple part numbers: UPD765B, UPD765A.
Please refer to the document for exact specifications by model.

Features

* Address mark detection circuitry is internal to the FDC which simplifies the phase-locked loop and read elec- tronics. The track stepping rate, head load time, and head unload time are user-programmable. The uPD765A/uPD765B offers additional features such as multi-track and multi-side read an

UPD765B Distributors

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UPD765A Single Double Density Floppy-Disk Controller NEC Electronics

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