AMI S2000
Developer	American Microsystems
Manufacturer	American Microsystems
Type	microcontrollers
Production	1977
Architecture	4-bit
ISA	S2000
Word size	4 bit 0.5 octets 1 nibbles
Technology	nMOS
Clock	100 kHz-1 MHz
Package	DIP 40

The S2000 Family is a family of 4-bit microcontrollers developed by American Microsystems in mid 1970. The chips came with 52/59 instructions - all single-cycle - operating at 4.5μs.

Members

Family Members
Part	ROM	RAM	Notes
S2000	1k x 8-bit	64x4-bit RAM	51 instructions
S2000A	1k x 8-bit	64x4-bit RAM	Identical to S2000 VFD driver support/high voltage support
S2150	1.5k x 8-bit	80x4-bit RAM	51 instructions
S2150A	1.5k x 8-bit	80x4-bit RAM	Identical to S2150 VFD driver support/high voltage support
S2200	2k x 8-bit	128x4-bit RAM	59 instructions
S2200A	2k x 8-bit	128x4-bit RAM	Identical to S2200 VFD driver support/high voltage support
S2400	4k x 8-bit	128x4-bit RAM	59 instructions
S2400A	4k x 8-bit	128x4-bit RAM	Identical to S2400 VFD driver support/high voltage support

Design

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ISA

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Documents

• S2000 Family Datasheet
• S2000 Family Programming Manual (1978)

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