functions of IC

Does anyone out there know what are the uses of following ICs
1. voltage control multivibrator(MC1658)
2. triple line reciever(MC10116)
3. quad MECL to TTL convertor(MC10H125)
4. LED driver(ML6633)

5. data quantizer(ML4621)
6. monostable multivibrator(MC10198)
7. differential video amp(NE592)

http://www.chipdocs.com/datasheets/datasheet-pdf/Motorola/MC1658.html

https://www.electro-tech-online.com/custompdfs/2006/07/MC10116-DPDF.pdf

check them..........for the rest also just search in google.all the information is avaliable