CY28301

Rev 1.0, November 27, 2006

Page 10 of 13

DC parameters must be sustainable under steady state (DC) conditions.

Table 5. Frequency Selections through HW Strap Option and Serial Data Interface Data Bytes

Input Conditions

Output Frequency

FS1

FS0

CPU

SDRAM

3V66

PCI

APIC

SEL1

SEL0

0

0

66.6

100.0

66.6

33.3

16.6

0

1

100.0

100.0

66.6

33.3

16.6

1

0

133.3

133.3

66.6

33.3

16.6

1

1

133.3

100.0

66.6

33.3

16.6

Absolute Maximum DC Power Supply

Parameter

Description

Min.

Max.

Unit

3.3V Core Supply Voltage

–0.5

4.6

V

2.5V I/O Supply Voltage

–0.5

3.6

V

Storage Temperature

–65

150

°C

Absolute Maximum DC I/O

Parameter

Description

Min.

Max.

Unit

3.3V Core Supply Voltage

–0.5

4.6

V

2.5V I/O Supply Voltage

–0.5

3.6

V

ESD prot.

Input ESD Protection

2000

V

DC Operating Requirements

Parameter

Description

Condition

Min.

Max.

Unit

3.3V Core Supply Voltage

3.3V ±5%

3.135

3.465

V

3.3V I/O Supply Voltage

3.3V ±5%

3.135

3.465

V

2.5V I/O Supply Voltage

2.5V ±5%

2.375

2.625

V

3.3V Input High Voltage

2.0

V

3.3V Input Low Voltage

0.8

V

–5

+5

µA

2.5V Output High Voltage

2.0

V

2.5V Output Low Voltage

0.4

V

3.3V Output High Voltage

.4

V

3.3V Output Low Voltage

0.4

V

PCI Bus Output High Voltage

2.4

V

PCI Bus Output Low Voltage

0.55

V

Note:

2. Multiple Supplies: The voltage on any input or I/O pin cannot exceed the power pin during power-up. Power supply sequencing is NOT required.

3. Input leakage current does not include inputs with pull-up or pull-down resistors.