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Intel 4004 description

National Semiconductor was a second source manufacturer of the 4004, under their part number INS4004.

Intel 4004 description   First microprocessor (single-chip IC processor)   Clock rate 740 kHz[1] 0.07 MIPS Bus width 4 bits (multiplexed address/data due to limited pins) PMOS Number of transistors 2,300 at 10 μm Addressable Memory 640 bytes Program Memory 4 KB One of the earliest Commercial Microprocessors (cf. Four …

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