ICS9248BF-55 ICST [Integrated Circuit Systems], ICS9248BF-55 Datasheet - Page 3

• Manufacturer Part Number: ICS9248BF-55
• Description: Pentium/Pro/IITM System Clock Chip
• Manufacturer: ICST [Integrated Circuit Systems]

Power Management
CPU_STOP#
CPU_ STOP#
PCI_STOP#
SIGNAL
X
0
0
1
1
PD#
PCI_STOP#
1 (Normal Operation)
0 (Power Down)
X
0
0
SIGNAL STATE
1
1
0 (Disabled)
0 (Disabled)
1 (Enabled)
1 (Enabled)
PWR_DWN#
1
1
2
2
4
0
1
1
1
1
3
No. of rising edges of free
CPUCLK
running PCICLK
Running
Running
Low
Low
Low
Latency
2max
3ms
1
1
1
1
PCICLK
Running
Running
Low
Low
Low
Other Clocks,
48 MHz 0
48 MHz 1
IOAPICs,
Stopped
Running
Running
Running
Running
REF,
Running
Running
Running
Running
Crystal
ICS9248-55
Off
Running
Running
Running
Running
VCOs
Off