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Type    CPU / Microprocessor
Family    Intel 80486
CPU part number    A80486DX-33
(Q0128, Q0588, SX329, SX412, SX419, SX666, SX668, SX729, SX767, SX810, SX829)
Frequency (MHz)       33
Bus speed (MHz)       33
Clock multiplier       1
Package    168-pin Pin Grid Array
1.75″ x 1.75″ (4.45 cm x 4.45 cm)
Introduction date    7-May-90
Upgrade options

Use Intel ODP486DX-33, ODPR486DX-33, DX2ODP66 or DX2ODPR66 to upgrade to 66 MHz
Use Intel DX4ODP100 or DX4ODPR100 to upgrade to 100 MHz
Use Intel PODP5V83 to upgrade to Pentium 83 MHz
See 80486 upgrade matrix for more information.

Architecture / Microarchitecture
Manufacturing process    0.8 micron
1.2 million transistors
Data width    32 bit
Floating Point Unit    Integrated
Level 1 cache size
8 KB 4-way set associative unified code and data cache
Physical memory (GB)    4
Virtual memory (TB)    64
Low power features

Stop Clock state (SL enhanced version only)
Stop Grant state (SL enhanced version only)
Stop Clock Snoop state (SL enhanced version only)
Auto Halt state (SL enhanced version only)
Upgrade Power Down mode (SL enhanced version only)

On-chip peripherals    Memory management unit

Electrical/Thermal parameters
V core (V)       5 ± 5%
Minimum/Maximum operating temperature (°C)       0 — 85
Minimum/Typical/Maximum power dissipation (W)    N/A / 3.5 / 4.73
0.4 (Stop Grant mode) / 2.5 / 3.31 (CHMOS V technology)