UltraSPARC
Developer	Sun Microsystems
Manufacturer	Texas Instruments
Type	Microprocessor
Introduction	1994 (announced) October 2, 1995 (launch)
Architecture	64-bit high-performance SPARC processors
ISA	SPARC V9
µarch	UltraSPARC
Word size	64 bit 8 octets 16 nibbles
Process	0.5 µm 500 nm 5.0e-4 mm , 0.35 µm 350 nm 3.5e-4 mm , 0.25 µm 250 nm 2.5e-4 mm , 0.18 µm 180 nm 1.8e-4 mm , 0.13 µm 130 nm 1.3e-4 mm
Technology	CMOS
Succession
←	→
SuperSPARC	SPARC

UltraSPARC was a family of 64-bit SPARC microprocessors designed by Sun Microsystems as a successor to SuperSPARC. Initial launched in late 1995, the UltraSPARC family was Sun's first series of processors based on the then-new 64-bit SPARC V9 architecture.

Members

UltraSPARC-I

Introduced on October 2 1995, the UltraSPARC-I (STP1030A) were Sun's first set of 64-bit microprocessors based on the SPARC V9 architecture. Fabricated on Texas Instruments's 0.5 micron EPIC3 QLM process.

	List of UltraSPARC-I Processors
Model	Price	Launched	Cores	Frequency	L1$
UltraSPARC-I 143MHz	$ 995.00 € 895.50 £ 805.95 ¥ 102,813.35	2 October 1995	1	143 MHz 0.143 GHz 143,000 kHz	32 KiB 32,768 B 0.0313 MiB
UltraSPARC-I 167MHz	$ 1,395.00 € 1,255.50 £ 1,129.95 ¥ 144,145.35	2 October 1995	1	167 MHz 0.167 GHz 167,000 kHz	32 KiB 32,768 B 0.0313 MiB
UltraSPARC-I 182MHz	$ 1,595.00 € 1,435.50 £ 1,291.95 ¥ 164,811.35	February 1996	1	182 MHz 0.182 GHz 182,000 kHz	32 KiB 32,768 B 0.0313 MiB
UltraSPARC-I 200MHz		1996	1	200 MHz 0.2 GHz 200,000 kHz	32 KiB 32,768 B 0.0313 MiB
Count: 4

UltraSPARC-II

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UltraSPARC-III

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