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IDT Winchip2 Processors
 

Winchip 2
Package
Vcc
TCASE
Level 1 Cache		 296—pin Ceramic PGA
3.52V
???
64KB (32KB Instruction / 32KB Write-Back Data)
Core Speed Unknown WinChip2 Engineering Sample
Core Speed
Bus Speed		 200MHz
66MHz ???		 WinChip2-3DE200GA (3.52V) (Sample)
Core Speed
Bus Speed		 225MHz
75MHz ???		 WinChip2-3DE225GA (3.52V) (Sample)
Core Speed
Bus Speed		 240MHz
60MHz ???		 WinChip2-3DE240GA

W2
Package
Vcc
TCASE
Level 1 Cache		 296—pin Ceramic PGA
3.52V (3.45V - 3.60V)
0°C - +70°C
64KB (32KB Instruction / 32KB Write—Back Data)
Core Speed
Bus Speed		 200MHz
66MHz		 W2-3DEE200GDA (3.52V)
(Sample)
Core Speed
Bus Speed		 200MHz
66MHz		 W2-3DEE200GDA
Core Speed
Bus Speed		 200MHz
66MHz		 W2-3DEE200GSA
"WinChip 2" Logo
Core Speed
Bus Speed		 200MHz
66MHz		 W2-3DEE200GSA
"WinChip" plus Windows Logo
Core Speed
Bus Speed
Vcc		 200MHz
66MHz
3.30V (3.135V - 3.60V)		 W2-3DFF200GSA
"WinChip" Logo
Core Speed
Bus Speed		 225MHz
75MHz		 W2-3DEE225GDA
Core Speed
Bus Speed		 225MHz
75MHz		 W2-3DEE225GSA
"WinChip" plus Windows Logo
Core Speed
Bus Speed		 240MHz
60MHz		 W2-3DEE240GSA
"WinChip 2" Logo
Core Speed
Bus Speed		 240MHz
60MHz		 W2-3DEE240GSA
"WinChip" Logo
Core Speed
Bus Speed		 240MHz
60MHz		 W2-3DEE240GSA
"WinChip" plus Windows Logo

W2A
Package
TCASE
Vcc

Level 1 Cache		 296—pin Ceramic PGA
0°C - +70°C
3.52V (3.45V - 3.60V) or
3.3V (3.135V - 3.60V)
64KB (32KB Instruction / 32KB Write—Back Data)
Core Speed
Bus Speed
Vcc		 200MHz
66MHz
3.52V
W2A-3DEE200GSA
Core Speed
Bus Speed
Vcc		 200MHz
66MHz
3.52V		 W2A-3DEE200GTA
Core Speed
Bus Speed
Vcc		 200MHz
66MHz
3.3V		 W2A-3DEE200GTA (Big Logo)
Core Speed
Bus Speed
Vcc		 200MHz
66MHz
3.3V		 W2A-3DFF200GSA
Core Speed
Bus Speed
Vcc		 200MHz
66MHz
3.3V		 W2A-3DFF200GTA
Core Speed
Bus Speed
Vcc		 200MHz
66MHz
3.3V		 W2A-3DFF200GTA (Big Logo)
Core Speed
Bus Speed
Vcc		 233MHz
66MHz
3.52V		 W2A-3DEE233GSA
Core Speed
Bus Speed
Vcc		 233MHz
66MHz
3.52V		 W2A-3DEE233GTA
Core Speed
Bus Speed
Vcc		 233MHz
66MHz
3.52V		 W2A-3DEE233GTA (Big Logo)
Core Speed
Bus Speed
Vcc		 233MHz
66MHz
3.52V		 W2A-3DFF233GSA
Core Speed
Bus Speed
Vcc		 233MHz
66MHz
3.3V		 W2A-3DFF233GTA
Core Speed
Bus Speed
Vcc		 233MHz
66MHz
3.3V		 W2A-3DEE266GSA
Core Speed
Bus Speed
Vcc		 233MHz
100MHz
3.52V
W2A-3DEE266GTA
Core Speed
Bus Speed
Vcc		 233MHz
100MHz
3.52V		 W2A-3DFF266GTA
Core Speed
Bus Speed
Vcc		 250MHz
100MHz
3.3V		 W2A-3DEE300GSA

W2B
Package
Vcc
VIO
TCASE
Level 1 Cache 		296—pin Plastic PGA
2.8V ± 0.1V
3.3V ± 0.165V
0°C - +70°C
64KB (32KB Instruction / 32KB Write-Back Data)
Core Speed
Bus Speed		 200MHz
66MHz
W2B-3DFK200BTA
Core Speed
Bus Speed		 200MHz
100MHz		 W2B-3DFK233BTA
Core Speed
Bus Speed		 233MHz
66MHz
W2B-3DFK300BTA

WinChip 2 - 300
3.3V I/O 2.8V Core
3.5X66 MHz Clock

I believe this to be a remarked IDT W2B 3DFK233BTA.
It looks identical to the W2B 3DFK200BTA that I have,
only the clock speed markings indicate that it is a 233, not
a 300 as marked in the part number, and also I don't know
of IBM making any WinChip processors.