Sunday, April 19, 2009

Intel 4004: first single-chip microprocessor

Introduced November 15, 1971
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 (4 KB)
One of the earliest Commercial Microprocessors (cf. Four Phase Systems AL1, F14 CADC)
Originally designed to be used in Busicom calculator

No comments:

Post a Comment