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Difference between revisions of "dec/alpha"
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Revision as of 12:27, 17 June 2017
| Alpha | |
| Developer | DEC, Compaq, HP |
| Manufacturer | DEC, Samsung, Intel, IBM |
| Type | Microprocessors |
| Introduction | February, 1992 (announced) November 20, 1992 (launch) |
| Architecture | Alpha-based performance CPUs |
| ISA | Alpha |
| µarch | 21064, 21164, 21264, 21364 |
| Word size | 64 bit 8 octets
16 nibbles |
| Process | 0.75 μm 750 nm , 0.675 µm7.5e-4 mm 675 nm , 0.50 µm6.75e-4 mm 500 nm , 0.35 µm5.0e-4 mm 350 nm , 0.25 µm3.5e-4 mm 250 nm , 0.18 µm2.5e-4 mm 180 nm , 0.13 µm1.8e-4 mm 130 nm
1.3e-4 mm |
| Technology | CMOS |
| Clock | 100 MHz-2,000 MHz |
| Package | PGA-431, PGA-499, PGA-587, PGA-1443 |
Alpha was a family of 64-bit Alpha-based performance microprocessors designed by DEC and introduced in 1992.
Overview
Introduced in late 1992, Alpha was a family of microprocessors designed for high-end desktops, workstations, and servers. At their introduction, those chips were the world's fastest, though their competitiveness dropped at later iterations (though some attributed this to Alpha's acquisition by Compaq in 1998). Alpha CPUs have gone through a handful of microarchitectures, each improving performance and capabilities.
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Facts about "Alpha - DEC"
| designer | DEC +, Compaq + and HP + |
| first announced | February 1992 + |
| first launched | November 20, 1992 + |
| full page name | dec/alpha + |
| instance of | microprocessor family + |
| instruction set architecture | Alpha + |
| main designer | DEC + |
| manufacturer | DEC +, Samsung +, Intel + and IBM + |
| microarchitecture | 21064 +, 21164 +, 21264 + and 21364 + |
| name | Alpha + |
| package | PGA-431 +, PGA-499 +, PGA-587 + and PGA-1443 + |
| process | 750 nm (0.75 μm, 7.5e-4 mm) +, 675 nm (0.675 μm, 6.75e-4 mm) +, 500 nm (0.5 μm, 5.0e-4 mm) +, 350 nm (0.35 μm, 3.5e-4 mm) +, 250 nm (0.25 μm, 2.5e-4 mm) +, 180 nm (0.18 μm, 1.8e-4 mm) + and 130 nm (0.13 μm, 1.3e-4 mm) + |
| technology | CMOS + |
| word size | 64 bit (8 octets, 16 nibbles) + |