SB710 datasheet(64/88 Pages) AMD

64 / 88 page

AMD SB710 Databook

45215 Rev. 1.60 November 09

System Clock Specifications

Table 9-7: PCI Clock AC Specifications

PCI Clock (6 clocks, PCICLK[5:0])

Symbol

Parameter

Min

Max

Units

Note

T61

Clock Period

33.3

T62

Clock/Data rise time

3.0

T63

Clock/Data fall time

3.0

T64

Clock high period

T65

Clock low period

Table 9-8: PCI-E Clock AC Specifications

Symbol

Parameter

Min

Max

Units

Note

T61

Clock Period

9.872

10.128

SSC disabled

T62

Clock rise edge rate

0.6

4.0

V/ns

T63

Clock fall edge rate

0.6

4.0

V/ns

See Figure 9-2

and Note below

T64

Clock high period

T65

Clock low period

ViH

Diff Clock input high

+150

ViL

Diff Clock input low

-150

See Figure 9-3

Vcross

Absolute crossing point

+250

+550

Vcross delta

Variation across Vcross

+140

Note: Signal must be monotonic throughout the Rise and all time region.

Table 9-9: RTC 32-KHz Output Clock AC Specifications

RTC 32-KHZ output

Symbol

Parameter

Min

Max

Units

Note

T61

Clock Period

32.768

KHz

T62

Clock/Data rise time

2.2

0.33

V/ns

T63

Clock/Data fall time

2.2

0.33

V/ns

Nominal

voltage 3.3 V

T64

Clock high period

13.7

μs

T65

Clock low period

16.8

μs

SB710 Datasheet(PDF) 64 Page - Advanced Micro Devices

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