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Figure 9-14, V/i curves for pci output signals, In figure 9- 14 – AMD Geode SC1201 User Manual

Page 389: In figure 9-14

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AMD Geode™ SC1200/SC1201 Processor Data Book

389

Electrical Specifications

32579B

Figure 9-14. V/I Curves for PCI Output Signals

Pull-Up

Pull-Down

Test Point

V

IO

0.9

V

IO

DC

Drive Point

AC

Drive Point

0.3

V

IO

0.6

V

IO

0.1

AC

Drive Point

DC

Drive Point

Test Point

V

IO

Equation A

for V

IO

>V

OUT

>0.7V

IO

I

OL

= (256/V

IO

)*V

OUT

*(V

IO

-V

OUT

)

for 0V

OUT

<0.18V

IO

Volts

Volts

I

OL

mA

I

OH

mA

64V

IO

16V

IO

1.5

-12V

IO

-48V

IO

-0.5

I

OH

= (98.0/V

IO

)*(V

OUT

-V

IO

)*(V

OUT

+0.4V

IO

)

Equation B

Output Voltage

Output Voltage

0.5V

IO

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