Intel 6 SERIES CHIPSET - DATASHEET 01-2011

Datasheet 321
Electrical Characteristics
48 MHz Flex Clock
t9 Period 20.32 21.34 ns 8-11
t10 High Time 7.02 12.51 ns 8-11
t11 Low Time 6.63 12.30 ns 8-11
Duty Cycle 40 60 %
- Rising Edge Rate 1.0 4 V/ns 5
-Falling Edge Rate 1.0 4V/ns5
Jitter (48MHz configured on
CLKOUTFLEX1 or CLKOUTFLEX3)
—410ps8,9
Jitter(48MHz configured on
CLKOUTFLEX0 or CLKOUTFLEX2)
—510ps8,9
24 MHz Flex Clock
t12 Period 41.16 42.18 ns 8-11
t13 High Time 22.64 23.19 ns 8-11
t14 Low Time 18.52 18.98 ns 8-11
Duty Cycle 45 55 %
- Rising Edge Rate 1.0 4 V/ns 5
-Falling Edge Rate 1.0 4V/ns5
Jitter (24MHz configured on
CLKOUTFLEX1 or CLKOUTFLEX3)
—330ps8,9
Jitter(24MHz configured on
CLKOUTFLEX0 or CLKOUTFLEX2)
—510ps8,9
27 MHz Flex Clock
t15 Period 36.4 37.67 ns 8-11
t16 High Time 20.02 20.72 ns 8-11
t17 Low Time 16.38 16.95 ns 8-11
Duty Cycle 45 55 %
- Rising Edge Rate 1.0 4 V/ns 5
-Falling Edge Rate 1.0 4V/ns5
Jitter (27MHz configured on
CLKOUTFLEX1 or CLKOUTFLEX3)
—450ps8,9
Jitter (27MHz configured on
CLKOUTFLEX0 or CLKOUTFLEX2)
—630ps8,9
CLKOUT_DP_[P,N]
Period Period SSC On 7.983 8.726 ns 8-30
Period Period SSC Off 7.983 8.684 ns 8-30
DtyCyc Duty Cycle 40 60 % 8-30
V
_Swing
Differential Output Swing 300 — mV 8-30
Slew_rise Rising Edge Rate 1.5 4 V/ns 8-30
Slew_fall Falling Edge Rate 1.5 4 V/ns 8-30
Jitter 350 ps 8,9
Table 8-24. Clock Timings (Sheet 2 of 4)
Sym Parameter Min Max
Unit
Notes Figure