DEC Alpha 21064 150MHz - 21-35023-13 / 21064-AA

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Specifications

General information
Type	CPU / Microprocessor
Family	DEC 21064
CPU part numbers	21-35023-13 is an OEM/tray microprocessor 21064-AA is an OEM/tray microprocessor
Frequency (MHz) ?	150
Bus speed (MHz) ?	from 18.75 to 75
Clock multiplier ?	from 2 to 8
Package	431-pin ceramic PGA
Size	2.43" x 2.43" / 6.17cm x 6.17cm
Introduction date	November 1992

Architecture / Microarchitecture
Microarchitecture	Alpha AXP
Processor core ?	EV4 (0.75 micron) EV4S (0.675 micron)
Manufacturing process	0.75 micron CMOS 0.675 micron CMOS 1.7 million transistors
Data width	64 bit
Data bus width	64 or 128 (selectable) bit
Floating Point Unit	Integrated
Level 1 cache size ?	8 KB direct-mapped code cache 8 KB direct-mapped write-through data cache
Physical memory (GB)	16
Pipeline	7-stage for integer operations 10-stage for FP operations
On-chip peripherals	Clock generator Memory management unit Parity and ECC generators and checkers

Electrical/Thermal parameters
V core (V) ?	3.3 ± 5%
V I/O or secondary (V)	3.3 (can interface to 5V logic)
Maximum operating temperature (°C) ?	90
Maximum power dissipation (W) ?	20.3

Last modified: 5 Feb 2012