This part is a kind of semiconductor called LS7082.

Function of this product has QUADRATURE CLOCK CONVERTER.

Manufacturers : LSI Computer Systems

Image and pinout :

Some of the text within the PDF file :

UL ® LSI/CSI LSI Computer Systems, Inc. 1235 Walt Whitman Road, Melville, NY 11747 LS7082 (631) 271-0400 FAX (631) 271-0405 October 2000 PIN ASSIGNMENT - TOP VIEW A3800 QUADRATURE CLOCK CONVERTER FEATURES: • x1, x2 and x4 mode selection • Up to 16 MHz output clock frequency • INDEX input and output • UP/DOWN indicator output • Programmable output clock pulse width • On-chip filtering of inputs for optical or magnetic encoder applications. • TTL and CMOS compatible I/Os • +4.5V to +10.0V operation (VDD-VSS) • LS7082 (DIP); LS7082-S (SOIC ) - See Figure 1 DESCRIPTION: The LS7082 is a monolithic CMOS silicon gate quadrature clock converter. Quadrature clocks derived from optical or magnetic encoders, when applied to the A and B Inputs of the LS7082, are converted to str [ ... ]

LS7082 PDF Datasheet Download