This part is a kind of semiconductor called D359M3D.

Function of this product has (D359M3D / D353M3D) 3.5 Compact Floppy Disk Drive.

Manufacturers : Mitsumi

Image and pinout :

Some of the text within the PDF file :

MITSUMI 3.5" Compact Floppy Disk Drive D359M3D, D353M3D 1 Inch Height Type Floppy Disk Drives OUTLINE These are 3.5-inch standard model FDDs.This one-inch height FDD satisfies the error rate and reliability demanded for computers, and it is characterized with a very low cost based on MITSUMI's through research design. FEATURES 1. Newly developed motors with enhanced reliability coming with newly developed head. 2. Electromagnetic field noise-resistant structural design. 3. Excellent noise resistance owing to the mounting of magnetic heads having the latest structure. 4. We meet the requirements of our customer's specifications. MITSUMI 3.5" Compact Floppy Disk Drive SPECIFICATIONS Item Capacity Unformatted Formatted (Sector/Track) Data Transfe [ ... ]

D359M3D PDF Datasheet Download