First Z80 was made in July 1976. It was one of the first 8-bit processors
Its original purpose was to beat out the 8080
made by Intel. It was cool because it
Was made by some ex-Intel Engineers
, it had all the 8080 instructions and more.
Other advancements were the extra registers
and the RAM refresh signal
, which meant lower system cost.
There are tons of variants, upgrades and peripheral chips of the Z80, but these are the specs of the original:
Pin Count: 40
Speed (MHz): 6
On-Chip Special Features-
Ext. Temp: No
Some other Zilog chips of interest are: