Rest in peace Z80, long live the open source Z80!
Interviews and news from the world of Open Source Silicon, ASICs and Semiconductors.
May 13, 202437m 38sFull
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Show Notes
00:00 intro
00:56 z80
04:54 Submitted to TT07
06:52 NMOS
08:22 dynamic memory
10:28 z80 was everything in one chip
12:00 hand layout
14:10 most widely used CPU in the 80s
17:27 Tiny Tapeout compromise
18:56 voltage compatibility
19:58 Fits in 4 TT tiles
21:09 comparison table
22:47 What is Tiny Tapeout
24:28 next steps
26:29 bond pads
28:09 multicore z80
28:59 pricing
29:30 why not use an FPGA?
30:30 what to use for 1.8v core?
31:02 all the classics?
31:53 important to preserve the old chips
32:50 the plan
35:19 how can you help?