17 of 40

November 28, 2011

IDT 89HPES32H8G2 Data Sheet

Recommended Operating Supply Voltages

Power-Up/Power-Down Sequence

During power supply ramp-up, VDDCORE must remain at least 1.0V below VDDI/O at all times. There are no other power-up sequence require-

ments for the various operating supply voltages.

The power-down sequence can occur in any order.

Recommended Operating Temperature

Symbol

Parameter

Minimum

Typical

Maximum

Unit

VDDCORE

Internal logic supply

0.9

1.0

1.1

V

VDDI/O

I/O supply except for SerDes

2.25

2.5

2.75

V

3.125

3.3

3.465

V

VDDPEA

1

1. V

DDPEA and VDDPETA should have no more than 25mVpeak-peak AC power supply noise superimposed on the 1.0V nominal DC value.

PCI Express Analog Power

0.95

1.0

1.1

V

VDDPEHA

2

2. V

DDPEHA should have no more than 50mVpeak-peak AC power supply noise superimposed on the 2.5V nominal DC value.

PCI Express Analog High Power

2.25

2.5

2.75

V

VDDPETA

1

PCI Express Transmitter Analog Voltage

0.95

1.0

1.1

V

VSS

Common ground

0

0

0

V

Table 13 PES32H8G2 Operating Voltages

Grade

Temperature

Commercial

0

°C to +70°C Ambient

Industrial

-40

°C to +85°C Ambient

Table 14 PES32H8G2 Operating Temperatures