RapidIO
Table 47. RapidIO Driver AC Timing Specifications—500 Mbps Data Rate (continued)
Range
Characteristic
Symbol
Min
Duty cycle
V
OD
rise time, 20%–80% of peak-to-peak
differential signal swing
V
OD
fall time, 20%–80% of peak-to-peak
differential signal swing
Data valid
Skew of any two data outputs
Skew of single data outputs to associated clock
DC
t
FALL
t
RISE
DV
t
DPAIR
t
SKEW,PAIR
48
200
200
1260
—
–180
Max
52
—
—
—
180
180
%
ps
ps
ps
ps
ps
4, 6
5, 6
2, 6
3, 6
6
Unit
Notes
Notes:
1.See
2.Requires ±100 ppm long term frequency stability.
3.Measured at V
OD
= 0 V.
4.Measured using the RapidIO transmit mask shown in
5.See
6.Guaranteed by design.
Table 48. RapidIO Driver AC Timing Specifications—750 Mbps Data Rate
Range
Characteristic
Symbol
Min
Differential output high voltage
Differential output low voltage
Duty cycle
V
OD
rise time, 20%–80% of peak-to-peak
differential signal swing
V
OD
fall time, 20%–80% of peak-to-peak
differential signal swing
Data valid
Skew of any two data outputs
Skew of single data outputs to associated clock
V
OHD
V
OLD
DC
t
FALL
t
RISE
DV
t
DPAIR
t
SKEW,PAIR
200
–540
48
133
133
800
—
–133
Max
540
–200
52
—
—
—
133
133
mV
mV
%
ps
ps
ps
ps
ps
1
1
2, 6
3, 6
6
6
4, 6
5, 6
Unit
Notes
Notes:
1.See
2.Requires ±100 ppm long term frequency stability.
3.Measured at V
OD
= 0 V.
4.Measured using the RapidIO transmit mask shown in
5.See
6.Guaranteed by design.
MPC8540 Integrated Processor Hardware Specifications, Rev. 4
Freescale Semiconductor
59
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
