Mostek 3870 (MK3870) microcontroller familyThe 3870 (MK3870) 8-bit microcontroller is a single chip implementation of
Fairchild F8 (Mostek 3850).
The microcontroller includes up to 4 KB mask-programmable ROM,
64 bytes scratchpad RAM and up to 64 bytes executable RAM. The MCU also
integrates 32-bit I/O and programmable timer. In addition to generic MK3870/xxx-xx
markings the 3870 chips also have device order number in the form "MK#####x-xx".
Mostek also produced MK38P70 - development version of the 3870 MCU that supported external EPROM chip. Computers
Companies Fairchild, Motorola, SGS (SGS-Thompson)
Production parts![]() 40-pin plastic DIP
![]() 40-pin plastic DIP
![]() 40-pin side-brazed ceramic DIP
Purple ceramic/Gold lid/Gold pins ![]() 40-pin piggyback ceramic DIP
Purple ceramic/Gold lid/Gold pins
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Search CPU-WorldIdentify partRelated LinksAt a glanceType: 8-bit microcontroller Introduction: 1977? Frequency (MHz): 4 | ||||||