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Zilog Z-80: Difference between revisions
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There were several speed grades, initially starting at 2.5 MHz (non-suffix) / 4 MHz (Z80A) / 6 MHz (Z80B), etc., later CMOS versions up to 20 MHz, and derivatives up to about 50 MHz. | There were several speed grades, initially starting at 2.5 MHz (non-suffix) / 4 MHz (Z80A) / 6 MHz (Z80B), etc., later CMOS versions up to 20 MHz, and derivatives up to about 50 MHz. | ||
Several second-source manufacturers produced their versions of this CPU. | Several second-source manufacturers produced their versions of this CPU. | ||
The '''National Semiconductor NSC800''' is code-compatible with the Z-80 but has a multiplexed address/data bus like the [[Intel 8085]], without being pin compatible with either. | |||
==Links== | ==Links== | ||