Unknown Chip-33511DC or F8549F?

[Overclocked]

I have a DIP-28 unknown IC that was given to me by a friend some time ago, I think its a display driver of some sort.

It has 2 Numbers, both whom I dont know which to search by, It reads:

33511DC
F8549F

 

[hotwaterwizard]

Here is the best I could do. I will keep trying

33511DC 32 to 60 Bit Shift Register Fairchild

https://www.datasheets.org.uk/specsheet.php?part=33511DC

Part Number = 33511DC
Manufacturer Name = Various
Description = 32 to 60 Bit Shift Register
Bits Per Reg. = 40
No. of Reg. = 9
Data Inp Mode = Serial
Data Outp Mode = Serial
f(oper) Max. (Hz) = 2.0M
Mode Dyn/ Stat = Static
Output Config = 3-State
P(D) Max.(W) Power Dissipation = 520m
Vsup Nom.(V) Supply Voltage = 5.0
Status = Discontinued
Package = DIP
Pins = 28
Military = N
Technology = PMOS