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HCMOS

HCMOS ("high-speed CMOS") is the set of specifications for electrical ratings and characteristics, forming the 74HC00 family, a part of the 7400 series of integrated circuits.

The 74HC00 family followed, and improved upon, the 74C00 series (which provided an alternative CMOS logic family to the 4000 series but retained the part number scheme and pinouts of the standard 7400 series (especially the 74LS00 series)) .

Some specifications include:

The typical maximum frequency (fmax) is noted as 60 MHz. For a comparison between 7400 types, see 7400-series integrated circuits § Families.

HCMOS also stands for high-density CMOS.[citation needed] The term was used to describe microprocessors, and other complex integrated circuits, which use a smaller manufacturing processes, producing more transistors per area. The Freescale 68HC11 is an example of a popular HCMOS microcontroller.

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