The requested file:
https://pdf.datasheetcatalog.com/datasheet2/8/0uo0yalwj89tzplj010ht9f5o9ky.pdf
is the data sheet for the following electronic components:

National Semiconductor

#	Part Name	Description
1	JM38510/10901SGA	Timer
2	JM38510/10901SPA	Timer
3	LM555 MD8	Timer
4	LM555 MDC	Timer
5	LM555 MWC	Timer
6	LM555CM	Timer
7	LM555CMM	Timer
8	LM555CMMX	Timer
9	LM555CMX	Timer
10	LM555CN	Timer
11	LM555H-MLS	Timer
12	LM555H/883	Timer
13	LM555J/883	Timer

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