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1989: IDT
  week 08, 1989: IDT 79R3010A-12QJ
  week 11, 1989: IDT 79R3020-20G
  week 22, 1989: IDT 79R3000A-12G
  week 23, 1989: IDT 79R3020-33G
» IDT overview
» all chips made in 1989
 
IDT 79R3010A-12QJ
IDT 79R3010A-12QJ Top Side
IDT
79R3010A-12QJ
8908C1
IDT 79R3010A-12QJ Back Side
87596
USA
This is an R3010 FPU for the MIPS R3000 CPU from my Silicon Graphics SGI Personal IRIS 4D/20 graphic workstation.
 
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Core Frequency:12 MHz
Board Frequency:12 MHz
Introduced:1988
Manufactured:week 08/1989
Made in:USA
Package Type:Ceramic
LCC-84
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IDT 79R3020-20G
IDT 79R3020-20G Top Side
IDT
79R3020
-20G
8911BI
IDT 79R3020-20G Back Side
EB8046
USA
An R3020 Memory Buffer coprocessor for the MIPS R3000 CPU
 
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Core Frequency:20 MHz
Board Frequency:20 MHz
Introduced:1988
Manufactured:week 11/1989
Made in:USA
Package Type:Ceramic
PGA-68
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IDT 79R3000A-12G
IDT 79R3000A-12G Top Side
IDT
79R3000A
-12G
8922BI
IDT 79R3000A-12G Back Side
B8513
USA
A MIPS R3000 CPU, manufactured by MIPS licensee IDT.
 
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Core Frequency:12 MHz
Board Frequency:12 MHz
Data bus (ext.):32 Bit
Address bus:32 Bit
Transistors:110,000
Circuit Size:1.20
Introduced:1988
Manufactured:week 22/1989
Made in:USA
Package Type:Ceramic
Goldcap
PGA-145
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IDT 79R3020-33G
IDT 79R3020-33G Top Side
IDT
79R3020
-33G
8923BI
IDT 79R3020-33G Back Side
G0113
USA
An R3020 Memory Buffer coprocessor for the MIPS R3000 CPU
 
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Core Frequency:33 MHz
Board Frequency:33 MHz
Introduced:1988
Manufactured:week 23/1989
Made in:USA
Package Type:Ceramic
PGA-68
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