INS1771-1 Datasheet (National Semiconductor) - Floppy Disk Formatter/Controller

INS1771-1, Floppy Disk Formatter/Controller

The INS1771-1 is a programmable floppy disk formatter/ controller chip contained in a standard 40'pin dual-in * line package.

The chip.

which is fabricated using N-channel silicon gate technology.

interfaces a floppy disk drive directly to a computer interface bus.

The I NS1771-1 provides soft se

INS1771-1 Features

* Soft Sector Format Compatibility

* Automatic Track Seek with Verification

* Provisions for Miniature Floppy Disk Interface

* Read Mode Capabil ities Single/Multiple Record Read with Automatic Sector Search or Entire Track Read Selectable 128-8yte or Variable Record