| Electronics > Beginners |
| modern TTL/Logic-gate/74xx |
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| The Senate:
The old multi function peripheral chips they used in 8 bit computers come to mind since they still make some of them. For example the 6522 VIA has 2 16 bit timers, an 8 bit shift register, and 2 8 bit parallel I/Os. Each of the CPUs had there own group of peripheral ICs made to complement them. Some are still manufactured like the 65XX family in DIP and SMD form. http://www.cpu-world.com/Support/index.html |
| rstofer:
RC2014.co.uk seems to have an inexhaustible source of Z80 and related peripherals. I have at least 3 of his systems (I tend to lose count of this kind of thing) and they are quite fun. I especially like the Full Monty version running CP/M. |
| james_s:
--- Quote from: wilfred on October 11, 2019, 06:23:11 am ---Wow it didn't take long for the thread to move off TTL and onto FPGA. --- End quote --- Well the OP said they didn't want to hunt around or salvage old obsolete logic chips, so CPLD/FPGA is the natural thing to come up when the other viable option is shut down. The 74xx series is 40-50 years old, the fact that so many of them are still available today at all is a minor miracle. I use the DIP parts to repair vintage gear but I can't imagine there are many going into new designs. |
| wilfred:
--- Quote from: james_s on October 11, 2019, 05:36:20 pm --- --- Quote from: wilfred on October 11, 2019, 06:23:11 am ---Wow it didn't take long for the thread to move off TTL and onto FPGA. --- End quote --- Well the OP said they didn't want to hunt around or salvage old obsolete logic chips, so CPLD/FPGA is the natural thing to come up when the other viable option is shut down. The 74xx series is 40-50 years old, the fact that so many of them are still available today at all is a minor miracle. I use the DIP parts to repair vintage gear but I can't imagine there are many going into new designs. --- End quote --- It's an impossible ask to prevent threads diverting off the original topic but in the beginners section people should exercise restraint. |
| ker2x:
--- Quote from: wilfred on October 12, 2019, 12:36:46 am --- --- Quote from: james_s on October 11, 2019, 05:36:20 pm --- --- Quote from: wilfred on October 11, 2019, 06:23:11 am ---Wow it didn't take long for the thread to move off TTL and onto FPGA. --- End quote --- Well the OP said they didn't want to hunt around or salvage old obsolete logic chips, so CPLD/FPGA is the natural thing to come up when the other viable option is shut down. The 74xx series is 40-50 years old, the fact that so many of them are still available today at all is a minor miracle. I use the DIP parts to repair vintage gear but I can't imagine there are many going into new designs. --- End quote --- It's an impossible ask to prevent threads diverting off the original topic but in the beginners section people should exercise restraint. --- End quote --- In this particular case, it probably was for the best. And my original question has been answered anyway. As a beginner, i very much appreciate the additional informations since i ended up buying a FPGA board (a proper one actually made for beginners, this time) |
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