These are new (NOS) Signetics N82S100 PAL chips, 50 ns max. address access time.Power dissipation - 600 mW typ.
All chips are date coded 1979
The N82S100 devices are stored blank and will be programmed when you order.
The Jedec filename = c64pla.jed (906114-01)
If you want them programmed with another Jedec file, please let me know. If you tell me where to download it or if you email it to me, It will be programmed by me.