EMBEDDED Intel486™ PROCESSOR HARDWARE REFERENCE MANUAL
2-4
2.2 Intel486™ PROCESSOR PRODUCT FAMILY
Table 2-1 shows the Intel486 processors available by clock mode, supply voltage, maximum fre-
quency, and package. An individual product has either a 5 V supply voltage or a 3.3 V supply
voltage, but not both. Likewise, an individual product may have 1x, 2x, or 3x clock. Please con-
tact Intel for the latest product availability and specifications.
Table 2-1. Product Options
Intel486™ Processor
V
CC
Processor
Frequency (MHz)
168-
Pin
PGA
208-
Lead
SQFP
196-
Lead
PQFP
176-
Lead
TQFP
V
CCP
16 20 25 33 40 50 66 75 100
1x Clock
Intel486 SX
Processor
3.3 V ✓✓ ✓
5V ✓✓ ✓ ✓
Ultra-Low Power
Intel486 SX
Processor
2.4-3.3 ✓✓
2.7-3.3 ✓✓
Ultra-Low Power
Intel486 GX
Processor
2.0-3.3 ✓✓
2.2-3.3 ✓✓
2.4-3.3 ✓✓
2.7-3.3 ✓✓
2x Clock
IntelDX2™ Processor
3.3 ✓✓
5 ✓✓ ✓
3x Clock
Write-Back Enhanced
IntelDX4™ Processor
3.3 ✓✓ ✓ ✓
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