cy28443oxc-3t SpectraLinear Inc, cy28443oxc-3t Datasheet - Page 15

• Manufacturer Part Number: cy28443oxc-3t
• Description: Clock Generator Intel Calistoga Chipset
• Manufacturer: SpectraLinear Inc

Rev 1.0, November 20, 2006
FS_A, FS_B,FS_C
VDD Clock Gen
VTT_PWRGD#
PWRGD_VRM
Clock Outputs
Clock State
Clock VCO
VDD_A = 2.0V
SRC 100MHz
PCI_STP#
Power Off
PCI_F
S0
PCI
State 0
Off
Off
Figure 13. Clock Generator Power-up/Run State Diagram
0.2-0.3 ms
Figure 11. PCI_STP# Deassertion Waveform
Tsu
State 1
Delay
Figure 12. VTT_PWRGD# Timing Diagram
VDD_A = off
Delay >0.25 ms
Tdrive_SRC
VTT_PWRGD#
S1
Wait for
On
VTT_PWRGD# = toggle
VTT_PWRGD# = Low
Operation
Normal
Sample Sels
State 2
S3
Inputs straps
On
State 3
Sample
Enable Outputs
S2
VTT_PWRGD# is ignored
Wait for <1.8 ms
Device is not affected,
CY28443-3
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