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・ Ultrasound avoidance
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UltraSPARC II
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・ UltraSPARC IV
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UltraSPARC II : ウィキペディア英語版
UltraSPARC II

The UltraSPARC II, code-named "Blackbird", is a microprocessor implementation of the SPARC V9 instruction set architecture (ISA) developed by Sun Microsystems. Marc Tremblay was the chief architect. Introduced in 1997, it was further development of the UltraSPARC operating at higher clock frequencies of 250 MHz, eventually reaching 400 MHz.
The die contained 5.4 million transistors and had an area of 149 mm². It was fabricated by Texas Instruments in their 0.35 µm process, dissipated 25 W at 205 MHz, and used a 2.5 V power supply. L2 cache capacity was 1 to 4 MB.
In 1999, the UltraSPARC II was ported to a 0.25 µm process. This version was code-named "Sapphire-Black". It operated at 360 to 480 MHz, possessed a die area of 126 mm², dissipated 21 W at 400 MHz and the power supply voltage was reduced to 1.9 V. Supported L2 cache capacity was increased to 1 to 8 MB.
== Derivatives ==

The UltraSPARC II was the basis for four derivatives.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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