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− | The '''PPS-25''' (also '''PPS25 | + | The '''PPS-25''' (also '''PPS25''') was a [[microprocessor family|family]] of [[4-bit architecture|4-bit]] multi-chip [[microprocessor]] developed by [[Fairchild]] and released in 1971/2. While there is no definitive starting production date available, there is evidence pointing to early 1971/2 (some early books placing it ahead of the {{intel|4004}})<ref>Jack Belzer, Albert G. Holzman, Allen Kent (Jul 1, 1978). Encyclopedia of Computer Science and Technology: Volume 10 - Linear and Matrix Algebra to Microorganisms: Computer-Assisted Identification. [http://books.google.com/books?id=iBsUXrgKBKkC&lpg=PA401&ots=i6F1IL5YAO&pg=PA401 page 401]</ref>. This family was very short-lived as within a few years, Fairchild shifted their effort toward more advanced designs such as their macrologic families {{fairchild|4700}}/{{fairchild|9400}} and what became their flagship product, the {{fairchild|F8}}. |
{{lost chip|about=the Fairchild PPS-25 family}} | {{lost chip|about=the Fairchild PPS-25 family}} | ||
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==Members== | ==Members== | ||
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! Part !! Description | ! Part !! Description | ||
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− | | {{\|3805}} || [[ALU]] | + | | {{\|3805}} || [[ALU]]<ref>Electronic & Power [http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=5181054 17 May 1973]</ref> |
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| {{\|3806}} || Control and timing unit | | {{\|3806}} || Control and timing unit | ||
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==References == | ==References == | ||
− | + | {{reflist}} | |
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+ | {{stub}} | ||
+ | {{DEFAULTSORT:PPS-25, Fairchild}} | ||
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+ | [[Category:4-bit microprocessors]] | ||
+ | [[Category:1972 microprocessors]] | ||
+ | [[Category:Fairchild Semiconductor microprocessors]] | ||
+ | [[Category:Microprocessor stubs]] |
Facts about "PPS-25 - Fairchild"
designer | Fairchild Semiconductor + |
full page name | fairchild/pps-25 + |
instance of | microprocessor family + |
main designer | Fairchild Semiconductor + |
manufacturer | Fairchild Semiconductor + |
name | Fairchild PPS-25 + |
package | DIP40 + |
technology | pMOS + |
word size | 4 bit (0.5 octets, 1 nibbles) + |