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2.5 Intel i8080/i8080A CPU

Intel i8008 CPU with stack.

8 bit data bus.
16 bit address bus.

Intel i8080 CPU: 2 MHz, 6 micron PMOS.
Intel i8080A-2 CPU: 2.67 MHz, NMOS.
Intel i8080A-1 CPU: 3.125 MHz, NMOS.
Intel iM8080A CPU: military (-55 - 125 C).

April 1974.

Package: 40 pin CERDIP (CERamic Dual In-line Package).

Intel i8080 CPU: 1973, PMOS, 4500 transistors.
Intel i8080A CPU: 1976, NMOS, 4000 transistors.