82801E datasheet(60/84 Pages) INTEL

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Intel® 82801E C-ICH

Advance Information Datasheet

VOH4/VOL4

PCI Signals: GNT[5]#/GNT[B]#/GPIO[17], GNT[A]#/GPIO[16]

LPC/FWH Signals: LAD[3:0]/FWH[3:0], LFRAME#/FWH[4]

LAN Signals: LAN0_RSTSYNC, LAN1_RSTSYNC, LAN0_TXD[2:0], LAN1_TXD[2:0]

GPIO Signals: GPIO[21]

VOL5/VOH5

SMBus Signals: SMBCLK, SMBDATA

System Management Signals: SMLINK[1:0]

Interrupt Signals: APICD[1:0]

VOL6/VOH6

EEPROM Signals: EE0_CS, EE1_CS, EE0_DOUT, EE1_DOUT, EE0_SHCLK,

EE1_SHCLK

Other Signals: SPKR

GPIO Signals: GPIO[28:27, 25:22, 20:18]

VOL7/VOH7

USB Signals: USBP0P, USBP0N, USBP1P, USBP1N

VOL8/VOH8

Hub Signals: HL[11:0], HL_STB#, HL_STB

Table 40. DC Output Characteristics

Symbol

Parameter

Min.

Max

Unit

OL /

Notes

OL1

Output Low Voltage

0.5

4mA

OH1

Output High Voltage

2.4

-0.4 mA

OL2

Output Low Voltage

0.4

4.0 mA

OH2

Output High Voltage

V_CPU_IO – 0.13V

-0.5 mA

Note 1

OL3

Output Low Voltage

0.55

6 mA

OH3

Output High Voltage

2.4

-2 mA

Note 1

OL4

Output Low Voltage

0.1 Vcc

1.5 mA

OH4

Output High Voltage

0.9 Vcc

-0.5 mA

Note 1

OL5

Output Low Voltage

0.4

3.0 mA

OH5

Output High Voltage

N/A

Note 1

OL6

Output Low Voltage

0.4

4.0 mA

OH6

Output High Voltage

Vcc3_3 - 0.5

-2.0 mA

Note 1

OL7

Output Low Voltage

0.4

5mA

OH7

Output High Voltage

Vcc - 0.5

-2 mA

OL8

Output Low Voltage

0.1

× (Vcc1_8)

1 mA

Normal Mode

0.8

20 mA

Enhanced Mode

OH8

Output High Voltage

0.9

× (Vcc1_8)

-1 mA

Normal Mode

1.6

-1.5 mA

Enhanced Mode

NOTES:

1. The CPUPWRGD, SERR#, PIRQ[A:H], GPIO22/CPUPERF, APIC[1:0], SMBDATA, SMBCLK and

SMLINK[1:0] signals have an open drain driver, and the VOH specification does not apply. These signals

must have external pull-up resistors.

Table 39. DC Characteristic Output Signal Association (Sheet 2 of 2)

Symbol

Associated Signals

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