Revision as of 15:32, 13 December 2017

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Rockwell PPS-4
General Info
Designer	Rockwell International
Manufacturer	Rockwell International
Model Number	PPS-4
Part Number	10660, 12660
Introduction	August, 1972 (launched)
General Specs
Family	PPS-4
Frequency	198.864 kHz
Microarchitecture
Microarchitecture	PPS-4
Process	10 μm
Word Size	4 bit
Max Memory	2 KiB
Max Address Mem	4 KiB
Electrical
TDP	600 mW
OP Temperature	0 °C – 70 °C

The PPS-4 (also known by its part number 10660) was a 4-bit microprocessor designed by Rockwell International and first produced at the 3rd quarter of 1972, making it one of the earliest commercially available microprocessors. The PPS-4 is part of the PPS-4 Family.

It appears that in 1975-6 Rockwell might have renamed the 10660 to 12660 after introducing the PPS-4/2. It's not exactly clear if any actual changes were done to the die itself, but its entirely possible.

Instruction set

Main article: PPS-4 Instruction Set

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See also

• PPS-4
• 11660

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