The requested file:
https://pdf.datasheetcatalog.com/datasheet/motorola/MCM64PE64SDG66.pdf
is the data sheet for the following electronic components:

Motorola

#	Part Name	Description
1	MCM64PE32	256K/512K Pipelined BurstRAM Secondary Cache Module for Pentium
2	MCM64PE32SDG66	256K/512K Pipelined BurstRAM Secondary Cache Module for Pentium
3	MCM64PE64SDG66	256K/512K Pipelined BurstRAM Secondary Cache Module for Pentium

Select the part name and then you can download the datasheet in PDF format.