Any info on these old chips ?

[HellasTechn]

Hello !

Iv'e got my hands on an old PCB haveing a number of IC's on it. For most of them i found the datasheets online but i have four that i can not find. Here is a picture of them :

Markings are : a)Ti 527 b)Ti TL710MJ c)6330-1J d)7483N7720

Thank you

 

[Harald Kapp]

Kalimera Constantin,
these links may help:

TL710: https://www.datasheetarchive.com/pd...86fc58e3a755a71c2377d502a51&type=M&term=TL710
TI 52709: https://www.datasheets360.com/part/detail/sn52709l/-1965969268189630520/
MMI6330-1: http://www.bitsavers.org/components/mmi/_dataBooks/1978_MMI_Bipolar_LSI_Databook_1ed.pdf
7483: https://www.ti.com/lit/gpn/sn54ls283-sp

 

[HellasTechn]

Amazing. You found them all !
THANK YOU.
Rhetorical question : Now what can one do with them ?

P.S.
I cant help wondering if i am just a poor "googler" or what ?

 

[Bluejets]

Keep Googling on the above info, I'm sure you will find it.