![]() ![]() ![]() The 8080 needs two support chips to function in most applications: the i8224 clock generator/driver and the i8228 bus controller. Two faster variants, the 8080A-1 (sometimes referred to as the 8080B ) and 8080A-2, became available later with clock frequency limits of 3.125 MHz and 2.63 MHz respectively. As a result, the processor is able to execute several hundred thousand instructions per second. The initial specified clock rate or frequency limit was 2 MHz, with common instructions using 4, 5, 7, 10, or 11 cycles. It first appeared in April 1974 and is an extended and enhanced variant of the earlier 8008 design, although without binary compatibility. The Intel 8080 ( "eighty-eighty") is the second 8-bit microprocessor designed and manufactured by Intel. ![]()
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