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DEC Alpha 21064A-PC 275MHz - 21-40532-08 / 21064-P1 information

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Type:CPU Manufacturer:DEC
family:21064 microprocessors:DEC Alpha 21064A-PC 275MHz - 21-40532-08 / 21064-P1
Type CPU / Microprocessor
Family DEC 21064
CPU part numbers
  • 21-40532-08 is an OEM/tray microprocessor
  • 21064-P1 is an OEM/tray microprocessor
Frequency    275 MHz
Bus speed    16.17 MHz - 137.5 MHz
Clock multiplier    from 2 to 17
Package 431-pin ceramic PGA
Size 2.43" x 2.43" / 6.17cm x 6.17cm
Architecture / Microarchitecture
Microarchitecture Alpha AXP
Processor core    EV45
Manufacturing process 0.5 micron CMOS
Data width 64 bit
Data bus width 64 or 128 (selectable) bit
Floating Point Unit Integrated
Level 1 cache size    16 KB direct-mapped code cache
16 KB direct-mapped write-through data cache
Physical memory 16 GB
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    3.3V ± 5%
V I/O or secondary 3.3V (can interface to 5V logic)
Maximum operating temperature    90°C
Notes on DEC 21-40532-08
  • Pin- and software-compatible with Alpha 21064
  • Software compatible with Alpha 21066


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