FS6159-01 データシートの表示（PDF） - AMI Semiconductor
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FS6159-01 Datasheet PDF : 15 Pages
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FS6159-01
Auxiliary Motherboard Clock Generator/Buffer IC
Table 18: AC Timing Specifications, continued
Unless otherwise stated, all power supplies = 3.3V, no load on any output, and ambient temperature TA = 25°C. Parameters denoted with an asterisk ( * ) represent nominal characterization data and
are not currently production tested to any specific limits. MIN and MAX characterization data are ± 3σ from typical. Spread spectrum modulation is disabled except for Rise/Fall time measurements.
PARAMETER
SYMBOL
CONDITIONS/DESCRIPTION
MIN.
TYP. MAX. UNITS
PCI_0:11 Clock Outputs
Duty Cycle *
dt
Ratio of high pulse width to one clock period,
measured at 1.5V
45
55
%
Clock Skew *
tsk(o)
PCI to PCI at 1.5V
500
ps
Additive Jitter, Period (peak-peak) *
tj(∆P)
From rising edge to rising edge at 1.5V, CL = 30pF
10
500
ps
Rise Time *
tr min
Measured at 0.4V – 2.4V; CL = 10pF
tr max
Measured at 0.4V – 2.4V; CL = 30pF
0.5
ns
2.0
Fall Time *
tf min
Measured at 2.4V – 0.4V; CL = 10pF
tf max
Measured at 2.4V – 0.4V; CL = 30pF
0.5
ns
2.0
CK66_0:5 Clock Outputs
Duty Cycle *
dt
Ratio of high pulse width to one clock period,
measured at 1.5V
45
55
%
Clock Skew *
tsk(o)
CK66 to CK66 at 1.5V
250
ps
Additive Jitter, Period (peak-peak) *
tj(∆P)
From rising edge to rising edge at 1.5V, CL = 30pF
10
300
ps
Rise Time *
tr min
Measured at 0.4V – 2.4V; CL = 10pF
tr max
Measured at 0.4V – 2.4V; CL = 30pF
0.5
ns
2.0
Fall Time *
tf min
Measured at 2.4V – 0.4V; CL = 10pF
tf max
Measured at 2.4V – 0.4V; CL = 30pF
0.5
ns
2.0
Figure 5: DC Measurement Points
Figure 6: Timing Diagram
VOH = 2.4V
1.5V
VOL = 0.4V
3.3V
VIH = 2.0V
VIL = 0.8V
tr
tf
3.3V
2.4V
50% VDD
1.5V
0.4V
dt
ISO9001
2.27.02
10
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