ICS9250F-16-T View Datasheet(PDF) - Integrated Circuit Systems
Part Name
Description
MFG CO.
ICS9250F-16-T
Integrated Circuit Systems
'ICS9250F-16-T' PDF : 17 Pages View PDF
ICS9250-16
Group Skews (CPU = 133 MHz)
TA = 0 - 70º C; VDD = 3.3 V +/-5%, VDDL = 2.5 V +/-5%
CPU & IOAPIC load (lumped) = 20 pF; PCI, SDRAM, 3V66 load (lumped) = 30 pF
Refer to Group Offset Waveform diagram for definition of transition edges.
PARAMETER
SYMBOL
CONDITIONS
CPU to SDRAM
Skew1
Skew Window1
Tsk3 CPU-SDRAM
Tw3 CPU-SDRAM
CPU @ 1.25 V, SDRAM @ 1.5 V
CPU to 3V66
Skew1
Skew Window1
Tsk3 CPU-3V66
Tw3 CPU-3V66
CPU @ 1.25 V, 3V66 @ 1.5 V
SDRAM to 3V66
Skew1 Tsk3 SDRAM-3V66
Skew Window1 Tw3 SDRAM-3V66
SDRAM, 3V66 @ 1.5 V
3V66 to PCI
Skew1
Skew Window1
Tsk3 3V66-PCI
Tw3 3V66-PCI
3V66, PCI @ 1.5 V
IOAPIC to PCI
Skew1
Skew Window1
Tsk3 IOAPIC-PCI
Tw3 IOAPIC-PCI
IOAPIC @ 1.25 V, PCI @ 1.5 V
1Guaranteed by design, not 100% tested in production.
MIN
-500
0
-500
0
-500
0
1.5
0
-1
0
TYP MAX UNITS
70 500 ps
125 500 ps
-145 500 ps
220 500 ps
100 500 ps
155 500 ps
2.4 3.5 ns
275 500 ps
-0.4
1
ns
0.25
1
ns
15
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