CY28158PVC datasheet(8/9 Pages) SPECTRALINEAR

부품명	CY28158PVC

상세설명	Spread Spectrum Timing Solution for Serverworks Chipset

PDF	9 Pages

Scroll/Zoom	100%

제조업체	SPECTRALINEAR [SpectraLinear Inc]

홈페이지	http://www.spectralinear.com

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8 / 9 page

CY28158

Rev 1.0, November 20, 2006

Page 8 of 9

Switching Waveforms (continued)

PCI_STOP#

CPU

(Internal)

PCI

(Internal)

PCI_F

PCI_STOP#

PCI

(External)

(Free-Running)

PWR_DWN#

CPU

(Internal)

PCI

(Internal)

PWR_DWN#

PCI

CPU

(External)

VCO

Crystal

Shaded section on the VCO and Crystal waveforms indicates that the VCO and crystal oscillator are active, and there is a valid clock.

Test Circuit

Note: All capacitors must be placed as close to the pins as is physically possible.

1, 7, 8, 13, 19, 20, 21, 24, 29, 40, 44, 48, 52

4, 10, 16, 17, 22, 23, 27, 31, 39

VDD_PCI, VDD_3V66,

CLOAD

OUTPUTS

VDD_CPU,

CY28158

43, 47, 51, 56

Note: Each supply pin must have an individual decoupling capacitor on test circuit at 0.1 F.

VDD_48MHZ, VDD_REF,

VDD_IOAPIC

VDDA

Ordering Information

Ordering Code

Package Name

Package Type

Operating Range

CY28158PVC

O56

56-Pin SSOP

Commercial

CY28158PVCT

O56

56-Pin SSOP- Tape and Reel

Commercial

Lead Free

CY28158OXC

O56

56-Pin SSOP

Commercial

CY28158OXCT

O56

56-Pin SSOP- Tape and Reel

Commercial

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