[Home] [Identification] [Programming] [Sitemap]

JavaScript Tree Menu

Cyrix 486 Processors
 

Cx486S
Package
Level 1 Cache
Vcc
TCASE		 168-pin ceramic PGA
2KB write-back
5V
0°C - +70°C
Core Speed 25MHz Cx486S-25 FasCache
Core Speed 33MHz Cx486S-33GP FasCache
Core Speed 40MHz Cx486S-40GP FasCache

Core Speed

DIR 0
DIR 1
Stepping

40MHz

---
---
A
Cx486S40 FasCache
Factory Cooler

Cx486DX
Package
Level 1 Cache
Vcc
TCASE		 168-pin ceramic PGA (except where stated)
8KB write-through / write-back
5V
0°C - +70°C
Core Speed
Vcc
Package		 33MHz
3.3V
208—Pin PQFP
Cx486DX-v33QP

Core Speed

DIR 0
DIR 1
Revision

33MHz

1A
05
1.5
Cx486DX33GP
Core Speed 33MHz Cx486DX-33GP (Black Cap on Underside).
Core Speed 40MHz
Cx486DX-40GP
Core Speed 40MHz
Cx486DX-40GP
(Smaller Print)

Core Speed

DIR 0
DIR 1
Revision

40MHz

1A
05
1.5
Cx486DX40

Core Speed

DIR 0
DIR 1
Revision

40MHz

1A
05
1.5
Cx486DX40
Core Speed 40MHz Cx486DX-40 (Green Heatsink, Gold Cap on Underside).

Core Speed

DIR 0
DIR 1
Revision

40MHz

1A
03
1.3
Cx486DX-50GP
Core Speed 50MHz Cx486DX-50 (Factory Heatsink)

Cx486DX2
Package
Level 1 Cache
TCASE		 168-pin ceramic PGA
8KB write-through / write-back
0°C - +70°C
Core Speed
Bus Speed
Vcc		 50MHz
25MHz
5V
Cx486DX2-50
Core Speed
Bus Speed
Vcc		 50MHz
25MHz
5V
Cx486DX2-50
Core Speed
Bus Speed
Vcc		 50MHz
25MHz
5V		 Cx486DX2-50 (Diamond in Bottom Left Corner)
Core Speed
Bus Speed
Vcc		 50MHz
25MHz
5V		 Cx486DX2-50GP (014)
Core Speed
Bus Speed
Vcc		 50MHz
25MHz
5V		 Cx486DX2-50 (Factory Heatsink)
Core Speed
Bus Speed
Vcc
Features		 50MHz
25MHz
5V
Write—Back Enhanced		 Cx486DX2-50GP (Write-Back Enhanced)

Core Speed
Bus Speed
Vcc
Features:

DIR 0
DIR 1
Revision

50MHz
25MHz
5V
Write—Back Enhanced

1B
08
1.8
Cx486DX2-50 Write-Back

Core Speed
Bus Speed
Vcc
Features

DIR 0
DIR 1
Revision

Comments

50MHz
25MHz
5V
Write—Back Enhanced

1B
08
1.8

Made in Japan
Cx486DX2-50 Write-Back

Core Speed
Bus Speed
Vcc

50MHz
25MHz
3.3V

 Cx486DX2-V50GP (019-3.3V (TC))
Core Speed
Bus Speed
Vcc		 50MHz
25MHz
3.3V		 Cx486DX2-V50GP (3.3V/3.45V/3.6V)
Core Speed
Bus Speed
Vcc		 50MHz
25MHz
3.3V		 Cx486DX2-V50GP (3.3V/3.6V)
Core Speed
Bus Speed
Vcc
Package		 50MHz
25MHz
5V
TQFP—208 on PGA Adapter
Cx486DX2-V50TP

Core Speed
Bus Speed
Vcc

DIR 0
DIR 1
Revision

66MHz
33MHz
5V

1B
08
1.8
Cx486DX2-66GP

Core Speed
Bus Speed
Vcc

DIR 0
DIR 1
Revision

66MHz
33MHz
5V

1B
32
4.2
Cx486DX2-66GP

Core Speed
Bus Speed
Vcc

66MHz
33MHz
5V

 Cx486DX2-66GP (021-TC)
Core Speed
Bus Speed
Vcc		 66MHz
33MHz
5V		 Cx486DX2-66GP (086)

Core Speed
Bus Speed
Vcc

DIR 0
DIR 1
Revision

66MHz
33MHz
5V

1B
0B
1.B
Cx486DX2-66

Core Speed
Bus Speed
Vcc

DIR 0
DIR 1
Revision

66MHz
33MHz
5V

1B
0C
1.C
Cx486DX2-66

Core Speed
Bus Speed
Vcc

DIR 0
DIR 1
Revision

66MHz
33MHz
5V

1B
0C
1.C
Cx486DX2-66

Core Speed
Bus Speed
Vcc

DIR 0
DIR 1
Revision

66MHz
33MHz
5V

1B
34
4.4
Cx486DX2-66

Core Speed
Bus Speed
Vcc

66MHz
33MHz
3.3V

 Cx486DX2-V66GP
Core Speed
Bus Speed
Vcc		 66MHz
33MHz
3.3V		 Cx486DX2-V66GP (Cooling Fan Required)

Core Speed
Bus Speed
Vcc

66MHz
33MHz
3.3V

 Cx486DX2-V66GP (011)
Core Speed
Bus Speed
Vcc		 66MHz
33MHz
4.0V		 Cx486DX2-V66GP (015-4.0V)
Core Speed
Bus Speed
Vcc

DIR 0
DIR 1
Revision

 66MHz
33MHz
3.3V

1B
31
4.1
Cx486DX2-V66GP
017

Core Speed
Bus Speed
Vcc

66MHz
33MHz
3.45V

 Cx486DX2-V66GP (017-3.45V)

Core Speed
Bus Speed
Vcc

66MHz
33MHz
3.45V

 Cx486DX2-V66GP (020-3.45V (TC))

Core Speed
Bus Speed
Vcc

66MHz
33MHz
3.45V
Cx486DX2-V66GP
022-3.6V (TC)

Core Speed
Bus Speed
Vcc

DIR 0
DIR 1
Revision

66MHz
33MHz
3.6V

1B
32
4.2
Cx486DX2-V66GP
023-3.6V/4.0V

Core Speed
Bus Speed
Vcc

DIR 0
DIR 1
Revision

66MHz
33MHz
3.6V

1B
32
4.2
Cx486DX2-V66GP
3.45V/3.6V/4.0V

Core Speed
Bus Speed
Vcc
Features:

66MHz
33MHz
3.6V
Write—Back Enhanced

 Cx486DX2-v66 Write-Back (023-3.6V/4.0V)

Core Speed
Bus Speed
Vcc
Features:

66MHz
33MHz
3.6V
Write—Back Enhanced

 Cx486DX2-v66 Write-Back (3.45V/3.6V/4.0V)
Core Speed
Bus Speed
Vcc

DIR 0
DIR 1
Revision

66MHz
33MHz
3.3V

1B
0B
1.B
Cx486DX2-66 Write-Back

Core Speed
Bus Speed
Vcc

DIR 0
DIR 1
Revision

66MHz
33MHz
3.3V

1B
0B
1.B
Cx486DX2-66 Write-Back

Core Speed
Bus Speed
Vcc

80MHz
40MHz
5V

Cx486DX2-80GP

Core Speed
Bus Speed
Vcc

DIR 0
DIR 1
Revision

80MHz
40MHz
5V

1B
32
4.2
Cx486DX2-80GP

Core Speed
Bus Speed
Vcc

DIR 0
DIR 1
Revision

80MHz
40MHz
5V

1B
34
4.4
Cx486DX2-80

Core Speed
Bus Speed
Vcc

80MHz
40MHz
5V

Cx486DX2-80 (Factory Heatsink, Newer Design)

Core Speed
Bus Speed
Vcc

DIR 0
DIR 1
Revision

80MHz
40MHz
3.3V

1B
31
4.1
Cx486DX2-V80GP

Core Speed
Bus Speed
Vcc

80MHz
40MHz
3.3V

 Cx486DX2-V80GP (Cooling Fan Required)
Core Speed
Bus Speed
Vcc		 80MHz
40MHz
3.45V		 Cx486DX2-V80GP (017-3.45V)
Core Speed
Bus Speed
Vcc		 80MHz
40MHz
4.0V		 Cx486DX2-V80GP (018-4.0V (TC))
Core Speed
Bus Speed
Vcc		 80MHz
40MHz
3.45V		 Cx486DX2-V80GP (034-3.45V)
Core Speed
Bus Speed
Vcc		 80MHz
40MHz
3.45V		 Cx486DX2-V80GP (036-3.45V)

Core Speed
Bus Speed
Vcc

DIR 0
DIR 1
Revision

80MHz
40MHz
4.0V

1B
32
4.2
Cx486DX2-V80GP
4.0V

Core Speed
Bus Speed
Vcc

80MHz
40MHz
4.0V

 Cx486DX2-V80GP (018-4.0V)

Cx486DX4
Package
Level 1 Cache
Vcc
TCASE		 168-pin ceramic PGA
8KB write-through / write-back
3.45V ± 0.15V
0°C - +70°C
Core Speed
Bus Speed		 75MHz
25MHz		 Cx486DX4-75GP (3.45V)
Core Speed
Bus Speed		 100MHz
33MHz		 Cx486DX4-100GP (COOLING FAN REQUIRED)
Core Speed
Bus Speed		 100MHz
33MHz
Cx486DX4-100GP
3.45V
Core Speed
Bus Speed		 100MHz
33MHz		 Cx486DX4-100GP (024-3.45V)
Core Speed
Bus Speed		 100MHz
33MHz		 Cx486DX4-100GP (Factory Heatsink)
Core Speed
Bus Speed		 100MHz
33MHz		 Cx486DX4-100GP4 (DX4-P/O)(3.45V)
Core Speed
Bus Speed		 100MHz
33MHz		 Cx486DX4-100GP4 (Factory Heatsink)

5X86
Package
Level 1 Cache
Vcc
TCASE		 168-pin ceramic PGA (except where stated)
16KB unified write-back
3.45V ± 0.15V (except where stated)
0°C - +85°C
Core Speed
Bus Speed		 ???
???		 5x86 (No Speed)
Core Speed
Bus Speed		 80MHz
???MHz		 5x86-80GP (Possibly fake, this has non-standard bus speed)
Core Speed
Bus Speed		 100MHz
33MHz or 50MHz		 5x86-100GP
Core Speed
Bus Speed
Vcc		 100MHz
33MHz or 50MHz
3.6V
5x86-100GP
Revision G5
026-P-3.6V
COOLING FAN REQUIRED
Core Speed
Bus Speed
Vcc		 100MHz
33MHz or 50MHz
3.6V
5x86-100GP
Revision G5
Core Speed
Bus Speed		 100MHz
33MHz or 50MHz		 5x86-100GP (030-3.45V)
Core Speed
Bus Speed		 100MHz
33MHz or 50MHz		 5x86-100GP (031-3.45V)
Core Speed
Bus Speed		 100MHz
33MHz or 50MHz
5x86-100GP
Revision G5
Core Speed
Bus Speed		 100MHz
33MHz or 50MHz
5x86-100GP
Revision G5
Core Speed
Bus Speed		 100MHz
33MHz or 50MHz
5x86-100GP/4X
Revision G5
Core Speed
Bus Speed
Package
 		 100MHz
33MHz or 50MHz
208—Pin PQFP
on 168—pin PGA adapter		 5x86-100QP
Core Speed
Bus Speed		 120MHz
40MHz		 5x86-120GP
Core Speed
Bus Speed		 120MHz
40MHz
3.6V		 5x86-120GP (026-3.6V)(COOLING FAN REQUIRED)
Core Speed
Bus Speed
Vcc		 120MHz
40MHz		 5x86-120GP (3V3PR90)(COOLING FAN REQUIRED)
Core Speed
Bus Speed		 120MHz
40MHz		 5x86-120GP (Factory Heatsink)
Core Speed
Bus Speed
Package
 		 120MHz
40MHz
208—Pin PQFP
on 168—pin PGA adapter		 5x86-120QP (3V3PR90)