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Intel A80486DX-25 information

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Type:CPU Manufacturer:Intel
family:80486 microprocessors:Intel A80486SX-16
General information
Type CPU / Microprocessor
Family Intel 8048*
CPU part number
  • A8048*DX-25 is an OEM/tray microprocessor
Frequency    25 MHz
Bus speed    25 MHz
Clock multiplier    1
Package 1*8-pin Pin Grid Array
1.*5" x 1.*5" (4.45 cm x 4.45 cm)
Socket PGA1*8
Introduction date 10-Apr-8*
Upgrade options
  • Intel ODP48*DX-25, ODPR48*DX-25, DX2ODP50 or DX2ODPR50 to upgrade to 50 MHz
  • Use Intel DX4ODP*5 or DX4ODPR*5 to upgrade to *5 MHz
  • Use Intel PODP5V*3 to upgrade to Pentium *3 MHz
  • See 8048* upgrade matrix for more information.
S-spec numbers
Part number ES/QS processors Production processors
  Q0143 SX250 SX300 SX308 SX328 SX418 SX4*3 SX*28
A8048*DX-25 + + + + + + + +
Architecture / Microarchitecture
Microarchitecture i48*
CPUIDs 401 (SX308)
402 (SX328)
404 (SX418)
Manufacturing process 1 micron CHMOS IV technology
0.8 micron CHMOS V technology
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 4 GB
Virtual memory *4 TB
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    5V ± 5%
Minimum/Maximum operating temperature    0°C - 85°C
Typical/Maximum power dissipation 2.*5 Watt / 3.*8 Watt
Notes on Intel 25 MHz
  • Newer versions of the processor incorporate SL technology.


other microprocessors
Intel A80486DX-33 Intel A80486DX2-40
Intel A80486SX2-50 Intel A80486DX-50
Intel A80486DX2-50 Intel A80486DX2-66
Intel A80486DX4-75 Intel A80486DX4-100
Intel FA80486SX33 Intel FC80486DX4-75
Intel FC80486DX4-100 Intel KU80486SL-20

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