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- X704 abstract "The x704 is a microprocessor that implements the 32-bit version of the PowerPC instruction set architecture (ISA) developed by Exponential Technology. The microprocessor was notable for its high clock frequency (for the time, circa 1997) in the range of 400 to 533 MHz, its use of bipolar transistors for logic and CMOS circuits for memory, and its failure to see use in an Apple Macintosh, the opposite of what industry observers such as Microprocessor Report expected. Exponential Technology eventually failed as a result of the x704's lack of success, but some of its former employees founded Intrinsity, a start-up that developed a high clock frequency MIPS implementation, FastMath. The company has now left the microprocessor business and licenses Fast14 dynamic logic to third parties such as ATI for their GPUs.The x704 was a superscalar microprocessor that issued up to three instructions per cycle to an arithmetic logic unit (ALU), floating-point unit (FPU) and branch unit. To realize the short cycle times, the caches were kept small, limiting its performance. There are three levels of cache. The first consisted of separate 2 KB instruction and data caches. These were direct-mapped. The L2 cache was on-die and was 32 KB large. It is eight-way set set-associative. The L3 cache was larger, supporting capacities of 512 KB to 2 MB, and was located externally. The x704 contained 2.7 million transistors, of which 0.7 million were bipolar transistors and 2.0 million were metal oxide semiconductor (MOS), and measured 15 mm by 10 mm (150 mm2). It was fabricated in a 0.5 µm BiCMOS process with six levels of interconnect. It used 3.6 and 2.1 V power supplies and dissipated less than 85 W at 533 MHz. The x704 was packaged in a 356-ball ball grid array (BGA).".
- X704 wikiPageID "22760219".
- X704 wikiPageLength "2496".
- X704 wikiPageOutDegree "24".
- X704 wikiPageRevisionID "617922780".
- X704 wikiPageWikiLink ATI_Technologies.
- X704 wikiPageWikiLink Apple_Inc..
- X704 wikiPageWikiLink Arithmetic_logic_unit.
- X704 wikiPageWikiLink Ball_grid_array.
- X704 wikiPageWikiLink BiCMOS.
- X704 wikiPageWikiLink Bipolar_junction_transistor.
- X704 wikiPageWikiLink Byte_(magazine).
- X704 wikiPageWikiLink CMOS.
- X704 wikiPageWikiLink Category:PowerPC_implementations.
- X704 wikiPageWikiLink Dynamic_logic_(digital_electronics).
- X704 wikiPageWikiLink Exponential_Technology.
- X704 wikiPageWikiLink Floating-point_unit.
- X704 wikiPageWikiLink Graphics_processing_unit.
- X704 wikiPageWikiLink Instruction_set.
- X704 wikiPageWikiLink Intrinsity.
- X704 wikiPageWikiLink MIPS_instruction_set.
- X704 wikiPageWikiLink MOSFET.
- X704 wikiPageWikiLink Macintosh.
- X704 wikiPageWikiLink Microprocessor.
- X704 wikiPageWikiLink Microprocessor_Report.
- X704 wikiPageWikiLink PowerPC.
- X704 wikiPageWikiLink Superscalar_processor.
- X704 wikiPageWikiLinkText "X704".
- X704 wikiPageWikiLinkText "x704".
- X704 wikiPageUsesTemplate Template:Electron-stub.
- X704 wikiPageUsesTemplate Template:Power_Architecture.
- X704 wikiPageUsesTemplate Template:When.
- X704 subject Category:PowerPC_implementations.
- X704 hypernym Microprocessor.
- X704 comment "The x704 is a microprocessor that implements the 32-bit version of the PowerPC instruction set architecture (ISA) developed by Exponential Technology. The microprocessor was notable for its high clock frequency (for the time, circa 1997) in the range of 400 to 533 MHz, its use of bipolar transistors for logic and CMOS circuits for memory, and its failure to see use in an Apple Macintosh, the opposite of what industry observers such as Microprocessor Report expected.".
- X704 label "X704".
- X704 sameAs Q8041661.
- X704 sameAs m.05zngq1.
- X704 sameAs Q8041661.
- X704 wasDerivedFrom X704?oldid=617922780.
- X704 isPrimaryTopicOf X704.