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

SGS Thomson Microelectronics

#	Part Name	Description
1	M54HC563	HC563 INVERTING - HC573 NON INVERTING OCTAL D-TYPE LATCH WITH 3 STATE OUTPUT
2	M54HC573	HC563 INVERTING - HC573 NON INVERTING OCTAL D-TYPE LATCH WITH 3 STATE OUTPUT
3	M74HC563	HC563 INVERTING - HC573 NON INVERTING OCTAL D-TYPE LATCH WITH 3 STATE OUTPUT
4	M74HC573	HC563 INVERTING - HC573 NON INVERTING OCTAL D-TYPE LATCH WITH 3 STATE OUTPUT

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