ICS9250-10 查看數據表（PDF） - Integrated Circuit Systems
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ICS9250-10 Datasheet PDF : 16 Pages
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ICS9250 - 10
Preliminary Product Preview
Group Offset Waveforms
Group Skews at Common Transition Edges: (CPU = 66MHz)
CPU & IOAPIC load (lumped) = 20pf; PCI, SDRAM, 3V66 LOAD (LUMPED) = 30pf.
GROUP
SYMBOL
CONDITIONS
MIN
CPU to 3V66
SCPU1-3V66
CPU @ 1.25V, 3V66 @ 1.5V
(Note: 180° offset between CPU & 66MHz
0
CPU to SDRAM
SCPU2-SDRAM
CPU @ 1.25V, SDRAM @ 1.5V
(Note: 180° offset between CPU & 66MHz
0
3V66 to PCI
S3V66-PCI 3V66 @ 1.5V, PCI @ 1.5V
1.5
IOAPIC to PCI
SIOAPIC-PCI IOAPIC @ 1.25V, PCI @1.5V
0
1Guarenteed by design, not 100% tested in production.
TYP MAX UNITS
500 ps
500 ps
4
ns
500 ps
Group Skews at Common Transition Edges: (CPU = 100MHz)
CPU & IOAPIC load (lumped) = 20pf; PCI, SDRAM, 3V66 LOAD (LUMPED) = 30pf.
GROUP
SYMBOL
CONDITIONS
MIN TYP
CPU to 3V66
SCPU1-3V66
CPU @ 1.25V, 3V66 @ 1.5V
(Note: 180° offset between CPU & 100MHz
0
CPU to SDRAM
SCPU2-SDRAM
CPU @ 1.25V, SDRAM @ 1.5V
(Note: 180° offset between CPU & 100MHz
0
3V66 to PCI
S3V66-PCI 3V66 @ 1.5V, PCI @ 1.5V
1.5
IOAPIC to PCI
SIOAPIC-PCI IOAPIC @ 1.25V, PCI @1.5V
0
1Guarenteed by design, not 100% tested in production.
MAX UNITS
500 ps
500 ps
4
ns
500 ps
14
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