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That's an interesting chip. You don't see many bipolar processors. (The Pentium has a few bipolar transistors sprinkled around, but it's mostly CMOS.)
by kens 2y ago
That's an interesting chip. You don't see many bipolar processors. (The Pentium has a few bipolar transistors sprinkled around, but it's mostly CMOS.)
- formerly_proven 2y agoDEC made a one-off ECL CPU in 1993: https://bitsavers.org/pdf/dec/tech_reports/WRL-93-8.pdf https://bitsavers.org/pdf/dec/tech_reports/WRL-93-8.pdf 300 MHz / 115 W. Ten years later, you'd have Pentium 4 at 3000 MHz and 115 W.
- chasil 2y agoThe VAX 9000 was also an ECL implementation. https://en.m.wikipedia.org/wiki/VAX_9000 https://en.m.wikipedia.org/wiki/VAX_9000 It was an enormously expensive failure.
- deleted 2y ago[deleted]