CY28158

Rev 1.0, November 20, 2006

Page 8 of 9

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)

(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

OUTPUTS

CY28158

43, 47, 51, 56

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

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