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engineering sample the cpu shack museum cpu history museum for intel cpus amd processor cyrix microprocessors microcontrollers and more total cpu s 20 000 total manufacturers 150 total eprom s 2000 home about pictures reference trade links contact us test boards products the cpu shack has a variety of test boards available for sale including mcs 4 40 boards rca cosmac boards mcs 80 boards z80 8085 nsc800 expansions mcs 8 test systems national sc mp test board 6800 6502 family test system signetics 2650 test boards intel mcs 86 test systems intel i3002 test systems am2903 2901 74181 motorola 68060 cpu s categories boards and systems cpu of the day eprom of the day gpu how to just for fun memory museum news processor manufacturers processor news products research uncategorized recent posts sandia national labs sa3000 8085 cpu the forgotten ones actron am1608 16 bit cpu the general automation ga 16 16 bit cpu unknown and unobtainable mystery chips soviet s first planar integrated circuits july 10th 2014 by admin cpu of the day nec 78c11 sample and the 78k family nec upd78c11 es for mask rom most microcontrollers store the program they run in rom most of the time this rom takes the form of a mask rom this means that its set at the factory when the die is being made one layer or more of the die contains the rom and the program is hardcoded into the device development versions almost always exist that allow programs to be developed before the mass produced mask rom chip but still the mask must be tested this is such an example from nec it is a engineering sample of a upd78c11 made in 1988 the 78c11 and many others in the 78k family used a 64 pin quip quad inline package the 2 rows of staggered pins allowed for a 64 pin dip in a much smaller foot print the only problem was these chips are extremely delicate they were designed to be soldered in and never removed the standard package was plastic but for the sake of testing these are ceramic its a bid easier to place bond the dies on small batches on a ceramic package the nec 78k family was and continues to be very popular its current version the rl78 is made by renesas which was formed when mitsubishi hitachi and nec joined their semiconductor businesses 78k processors powered everything from word processors to washing machines and sewing machines now they are also commonly found in automotive applications nec upd7811g 1988 like many modern microcontroller families the nec 78k traces its lineage back to the 1970 s the family first appeared in 1980 as the upd7801 the 7801 was a microcomputer based on the nec 780 which was nec s version of the zilog z80 the 781x series released in 1982 expanded on the architecture by including an adc as well as a full 16 bit alu versus the 8 bit from the 780 and 780x that even supported 16 bit multiply and divide the 16 bit alu made it a simple task for nec to again extend the architecture to a 16 bit version the instruction set was similar though the naming was different then the z80 in 1985 nec moved the 78k line to a cmos process reducing power requirements and increasing the max clock from 12 to 15mhz the inclusion of many peripherals made the 78k a popular choice for many embedded applications its continued availability and wide code base have allowed it to continue to thrive and once again a modern mcu is based on a design from the 1970 s processor architectures rarely die they just continue morphing tags 78k engineering sample nec renesas z80 posted in cpu of the day may 14th 2014 by admin mystery intel engineering sample here is a very unusual engineering sample from intel these were manufactured in 1996 with a 1994 copyright date they are slightly smaller then a socket 5 pentium and are a 325 pin spga package intel kj8tsmr00 ba engineering sample marked kj8tsmr00 ba the best guess so far is a early p6 pentium pro core without the l2 cache if you have any ideas feel free to post in the comments tags engineering sample intel posted in cpu of the day july 28th 2012 by admin nvidia gpu engineering samples while we don t actively collect gpu s we do pick them up when they come along rather then scrap them and from time to time have been donated a handful of them here are a few that have been sitting on my desk that were donated gpu s are pretty impressive in their own right with many having over 1 billion transistors now nvidia nv43 eng sample the nv43 is the code name for the geforce 6600 it was released in august 2004 abut the time this engineering sample was made and could be clocked at up to 525mhz it was fab d by tsmc on a 110nm process and contains 143 million transistors about the same as a pentium m dothan core read more tags engineering sample mobile nvidia posted in gpu rss feeds the largest cpu museum in my daily hunt for new processors and other chips for the museum as well as information about new chips i constantly come across interesting chips in strange locations here you will get a chance to learn where many of the chips in the museum come from and what they are latest cpu images here they are sorted by manufacturer technically brand and thumbnails are now working you may also view them in raw directory form here and a few that didnt make it into the gallery here ebay deals clicking a link to ebay may result in a referral commission being paid if a purchase is made loading popular articles links how a cpu is made amd 29k reference guide mergers aquisitions spin offs k6 2 cpu id guide via c3 cpu overview uli m6117c embedded 80386sx overclocking eastern bloc cpu guide cpu socket id guide mediagx and geode cpu guide cyrix id cpu guide intel rapidcad cpu datasheet archive tags 2901 6502 6800 alu amd apple arm atmel bit slice cyrix dec dsp embedded eprom fairchild hp ibm intel lsi lsi 11 mcm mcs 51 mcu mil std 1750a mips motorola national semiconductor nec nvidia pdp 11 philips pic powerpc qualcomm renesas risc signetics soviet space sparc sun ti vliw z80 zilog 2009 the cpu shack site by pxl 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