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Koprozessoren enthalten logarithmische, arithmetische, exponentielle und trigonometrische Funktionen. Sie vergrößern den 80x86 Befehlssatz um bis zu 80 mnemonische Instruktionen. Die Schnittstelle der CPGA Versionen zum Mainboard ist der 387er LIF-Sockel.
IIT 2C87 Koprozessoren
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2C87 FPUs arbeiten asynchron zur CPU MOS-Technologie
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IIT 2C87-6
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40-Pin CerDIP 6,0 MHz
CMOS 5 Volt USA
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IIT 2C87-8
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40-Pin CerDIP 8,0 MHz
CMOS 5 Volt USA
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IIT 2C87-10
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40-Pin CerDIP 10,0 MHz
CMOS 5 Volt USA
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IIT 2C87-12
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40-Pin CerDIP 12,5 MHz
CMOS 5 Volt USA
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IIT 2C87-16
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FPU-Typ: FPU-Takt: Busbreite: Transistoren: Technologie: Volt: Produktionsdatum:
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40-Pin CerDIP 16,0 MHz
CMOS 5 Volt USA
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15100250017
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IIT 2C87-20
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40-Pin CerDIP 20,0 MHz
CMOS 5 Volt USA
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IIT 2C87P-12
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FPU-Typ: FPU-Takt: Busbreite: Transistoren: Technologie: Volt: Produktionsdatum:
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40-Pin PDIP 12,5 MHz
CMOS 5 Volt USA
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13100015010
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3C87 FPUs arbeiten asynchron zur CPU MOS-Technologie
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IIT 3C87-16
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FPU-Typ: FPU-Takt: Busbreite: Transistoren: Technologie: Volt: Produktionsdatum:
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68-Pin CPGA 16 MHz
CMOS 5 Volt USA
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15100180017
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IIT 3C87-20
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68-Pin CPGA 20 MHz
CMOS 5 Volt USA
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IIT 3C87-25
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68-Pin CPGA 25 MHz
CMOS 5 Volt USA
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IIT 3C87-25
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68-Pin CPGA 25 MHz
CMOS 5 Volt USA
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IIT 3C87-25
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68-Pin CPGA 25 MHz
CMOS 5 Volt Philippines
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IIT 3C87-33
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68-Pin CPGA 33 MHz
CMOS 5 Volt USA
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IIT 3C87-33
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FPU-Typ: FPU-Takt: Busbreite: Transistoren: Technologie: Volt: Produktionsdatum:
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68-Pin CPGA 33 MHz
CMOS 5 Volt USA
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13200020010
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IIT 3C87-33
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68-Pin PGA 33 MHz
CMOS 5 Volt Philippines
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IIT 3C87-40
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FPU-Typ: FPU-Takt: Busbreite: Transistoren: Technologie: Volt: Produktionsdatum:
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68-Pin PLCC 40 MHz
CMOS 5 Volt USA
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FPU auf 68-Pin Adapter
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IIT 3C87-40
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68-Pin CPGA 40 MHz
CMOS 5 Volt USA
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IIT 3C87-40
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FPU-Typ: FPU-Takt: Busbreite: Transistoren: Technologie: Volt: Produktionsdatum:
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68-Pin PGA 40 MHz
CMOS 5 Volt Philippines
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3C87 FPUs arbeiten asynchron zur CPU MOS-Technologie
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IIT 3C87SX-16
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68-Pin PLCC 16 MHz
CMOS 5 Volt
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IIT 3C87SX-20
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68-Pin PLCC 20 MHz
CMOS 5 Volt
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IIT 3C87SX-25
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68-Pin PLCC 25 MHz
CMOS 5 Volt
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IIT 3C87SX-33
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68-Pin PLCC 33 MHz
CMOS 5 Volt
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IIT 3C87SX-40
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FPU-Typ: FPU-Takt: Busbreite: Transistoren: Technologie: Volt: Produktionsdatum:
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68-Pin PLCC 40 MHz
CMOS 5 Volt
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14200073012
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IIT 4C87DLC Koprozessoren
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4C87 FPUs arbeiten asynchron zur CPU MOS-Technologie
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IIT 4C87DLC-25
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FPU-Typ: FPU-Takt: Busbreite: Transistoren: Technologie: Volt: Produktionsdatum:
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68-Pin PGA 25 MHz
CMOS
Philippines
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14100046010
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IIT 4C87DLC-33
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FPU-Typ: FPU-Takt: Busbreite: Transistoren: Technologie: Volt: Produktionsdatum:
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 |
68-Pin PLCC 33 MHz
CMOS
USA
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13100046010
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 |
FPU auf 68-Pin Adapter
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IIT 4C87DLC-33
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68-Pin PGA 33 MHz
CMOS
Philippines
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IIT 4C87DLC-33
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80-Pin TQFP 33 MHz
CMOS
Honkong
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IIT 4C87DLC-40
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FPU-Typ: FPU-Takt: Busbreite: Transistoren: Technologie: Volt: Produktionsdatum:
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68-Pin PLCC 40 MHz
CMOS
USA
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FPU auf 68-Pin Adapter
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IIT 4C87DLC-40
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FPU-Typ: FPU-Takt: Busbreite: Transistoren: Technologie: Volt: Produktionsdatum:
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 |
68-Pin PGA 40 MHz
CMOS
Philippines
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 |
IIT 4C87DLC-40
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FPU-Typ: FPU-Takt: Busbreite: Transistoren: Technologie: Volt: Produktionsdatum:
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68-Pin PGA 40 MHz
CMOS
Philippines
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IIT 4C87DLC-40
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FPU-Typ: FPU-Takt: Busbreite: Transistoren: Technologie: Volt: Produktionsdatum:
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68-Pin PGA 40 MHz
CMOS
Philippines
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IIT 4C87DLX Koprozessoren
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4C87 FPUs arbeiten asynchron zur CPU MOS-Technologie
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IIT X2 487DLX25/50
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FPU-Typ: FPU-Takt: Bustakt: Busbreite: Transistoren: Technologie: Volt: Produktionsdatum:
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68-Pin PGA 50 MHz 25 MHz
CMOS
Philippines
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14100046010
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IIT 4C87SLC Koprozessoren
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4C87 FPUs arbeiten asynchron zur CPU MOS-Technologie
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IIT 4C87SLC-33
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FPU-Typ: FPU-Takt: Busbreite: Transistoren: Technologie: Volt: Produktionsdatum:
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68-Pin PLCC 33 MHz
CMOS
Taiwan
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14200058012
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IIT XC87DLC Koprozessoren
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XC87 FPUs arbeiten asynchron zur CPU MOS-Technologie
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IIT XC87DLC-33
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FPU-Typ: FPU-Takt: Busbreite: Transistoren: Technologie: Volt: Produktionsdatum:
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68-Pin PGA 33 MHz
CMOS
Philippines
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IIT XC87SLC Koprozessoren
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XC87 FPUs arbeiten asynchron zur CPU MOS-Technologie
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IIT XC87SLC-33
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FPU-Typ: FPU-Takt: Busbreite: Transistoren: Technologie: Volt: Produktionsdatum:
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68-Pin PLCC 33 MHz
CMOS
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IIT DX Plus Koprozessoren
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IIT DX PLUS -33
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FPU-Typ: FPU-Takt: Busbreite: Transistoren: Technologie: Volt: Produktionsdatum:
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68-Pin PGA 33 MHz
CMOS
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Koprozessorübersicht:
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IIT 2C87 Koprozessoren:
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IIT 3C87 Koprozessoren:
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IIT 3C87SX Koprozessoren:
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IIT 4C87DLC Koprozessoren:
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IIT 4C87DLX Koprozessoren:
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IIT 4C87SLC Koprozessoren:
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IIT XC87DLC Koprozessoren:
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IIT XC87SLC Koprozessoren:
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IIT DX PLUS Koprozessoren:
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