Tek digitizer 7D20

Eprom type = 2764 or 27C64
Version is V81.1, F1.03


7D20U200
CS 154E

7D20U300
CS ED91

7D20U400
CS 5B2A

7D20U500
CS 38ED

7D20U600
CS 0FC0

7D20U700
CS A0C4

7d20u100
cs 00E2
Xicor X2201A   (1024 x 1 bit)





