C9835 datasheet(5/18 Pages) CYPRESS

Part #	C9835

Description	Low-EMI Clock Generator for Intel Mobile 133-MHz/3 SO-DIMM Chipset Systems

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Manufacturer	CYPRESS [Cypress Semiconductor]

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C9835

Document #: 38-07303 Rev. **

Page 5 of 18

Note:

10. All the internal timing is referenced to the CPU clock

11. PCI_STP# signal is an input signal that must be made synchronous to PCI_F output.

12. All other clocks continue to run undisturbed.

13. PD# is understood to in a high state.

14. Diagrams shown with respect to 133 MHz. Similar operation when CPU is 100 MHz

CPU(1,2)

PCI_F

CPU_STP#

CPU0

PCI_STP#

(High)

PWR_DWN#

Tsu

(High)

Figure 2. CPU_STP Timing Diagram

PCI_STP#

PCI_F

(High)

PCI(1:6)

CPU_STP#

PD#

Tsu

Figure 3. PCI_STP# Timing Diagram[[10,11,12,13,14]

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