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F8 - Fairchild
< fairchild

Fairchild F8
KL Fairchild F3850.jpg
The F3850 CPU component
Developer Fairchild
Manufacturer Fairchild
Type microprocessors, microcontrollers
Introduction 1973 (announced)
1975 (launch)
Production 1974
ISA F8
Word size 8 bit
1 octets
2 nibbles
Process 8 μm
8,000 nm
0.008 mm
Technology nMOS
Clock 1 MHz-4 MHz
Package DIP40, DIP42

The Fairchild F8 was a family of multi-chip 8-bit microprocessors developed by Fairchild in 1974. Later, single-chip MCUs version of the system were also made.

Members

Part Description
3850 CPU
3851 ROM
3852 Dynamic Memory Interface
3853 Static Memory Interface
3854 Direct Memory Access

MCU

Fairchild later also produced a single-chip version of the F8 in 1977.

Part I/O Lines Regs RAM ROM Description
3870 32 64 B 64 B 4 kB
3872-1 32 64 B 64 B 1 kB
3872-2 32 64 B 64 B 2 kB
3872-3 32 64 B 64 B 3 kB
3872-4 32 64 B 64 B 4 kB
38L72 32 64 B 64 B 1-4 kB Low-power version of 3872

Architecture

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Facts about "F8 - Fairchild"
designerFairchild +
first announced1973 +
first launched1975 +
full page namefairchild/f8 +
instance ofmicroprocessor family + and microcontroller family +
instruction set architectureF8 +
main designerFairchild +
manufacturerFairchild +
nameFairchild F8 +
packageDIP40 + and DIP42 +
process8,000 nm (8 μm, 0.008 mm) +
technologynMOS +
word size8 bit (1 octets, 2 nibbles) +