We recently looked at the origins of the integrated circuit ... 4004: 4-bit CPU In April 1970, Noyce hired Federico Faggin from Fairchild in order to do the chip design. At that time the block ...

A schematic diagram offers details of the Intel 4004 microprocessor. The Intel 4004 was a 4-bit chip built on a 10 µm node. It packed 2,300 transistors and operated at a clock speed of 740KHz.