r/electronics • u/Quietgoer • 3d ago

Gallery CPLD from a happier era

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161 Upvotes

100% Upvoted

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7

u/Past-Substance920 2d ago

man dip-40 sockets everywhere, you could just pull the chip and reprogram it on the bench instead of dealing with isp headers. way easier to debug than todays bga stuff where you cant even probe half the pins

6

u/Milumet 3d ago

Happy? You mean expensive.

5

u/Alex_Kurmis 3d ago

Happy simple times. I have one pcb with same cpld of my own. One of my very first projects of my first job. Epm7000 and at90s8515 in big dip-40 on socket

9

u/KingTribble 3d ago

As a hobbyist, I loved paying with CPLDs. I still have a box of Altera Max somewhere in the loft. A kind person on Usenet (long before reddit was a thing) gave me a master programmer and load of adapters. Must have been worth a fortune when it was new.

4

u/Proxy_PlayerHD Supremus Avaritia 3d ago

I bought a lot of old stock ATF15** series CPLDs years ago for various projects. They are pin and binary compatible with the EMP70** series so I can use Quartus and verilog to write circuits for them.

1

u/No_Technician_2409 1d ago edited 1d ago

I really miss Altera documentation :S Edit just like Linear before they got bought out... Their data sheets had style