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CY28405 Datasheet - Cypress Semiconductor

CY28405 - CK409-Compliant Clock Synthesizer

Pin No.

1, 2 REF(0:1) Name Type O, SE I I Description Reference Clock.

3.3V 14.318-MHz clock output.

3.3V LVTTL latched input for CPU frequency selection.

Crystal Connection or External Reference Frequency Input.

This pin has dual functions.

It can be used as an external 14.318-MHz crystal connectio

CY28405 Features

* Supports Intel Springdale/Prescott (CK409)

* Selectable CPU frequencies

* 3.3V power supply

* Nine copies of PCI clock

* Four copies 3V66 clock with one optional VCH

* Two copies 48-MHz USB clock

* Two copies REF clock

* Three differ

CY28405_CypressSemiconductor.pdf

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Datasheet Details

Part number:

CY28405

Manufacturer:

Cypress Semiconductor

File Size:

259.97 KB

Description:

Ck409-compliant clock synthesizer.

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