MSC8144 Freescale Semiconductor, MSC8144 Datasheet - Page 46

• Manufacturer Part Number: MSC8144
• Description: Quad Core Digital Signal Processor
• Manufacturer: Freescale Semiconductor

Electrical Characteristics
2.7.5.5
LP-Serial receiver electrical and timing specifications are stated in the text and tables of this section. Receiver input impedance
shall result in a differential return loss better that 10 dB and a common mode return loss better than 6 dB from 100 MHz to 0.8
× baud frequency. This includes contributions from internal circuitry, the package, and any external components related to the
receiver. AC coupling components are included in this requirement. The reference impedance for return loss measurements is
100 Ω resistive for differential return loss and 25 Ω resistive for common mode.
46
1.25 GBaud short range
1.25 GBaud long range
2.5 GBaud short range
2.5 GBaud long range
3.125 GBaud short range
3.125 GBaud long range
Differential Input Voltage
Deterministic Jitter Tolerance
Combined Deterministic and Random
Jitter Tolerance
Characteristic
V
V
-VDIFF max
-VDIFF min
Transmitter Type
DIFF
DIFF
Receiver Specifications
max
min
0
Table 33. Transmitter Differential Output Eye Diagram Parameters
0
Table 34. Receiver AC Timing Specifications—1.25 GBaud
MSC8144 Quad Core Digital Signal Processor Data Sheet, Rev. 1
Figure 13. Transmitter Output Compliance Mask
Symbol
J
V
J
DR
IN
D
A
V
DIFF
0.37
0.55
Min
200
min (mV)
250
400
250
400
250
400
Range
1600
Max
B
Time in UI
mV
UI
UI
Unit
V
PP
PP
PP
DIFF
max (mV)
500
800
500
800
500
800
Measured at receiver
Measured at receiver
Measured at receiver
1-B
A (UI)
0.175
0.175
0.175
0.175
0.175
0.175
Notes
1-A
Freescale Semiconductor
B (UI)
0.39
0.39
0.39
0.39
0.39
0.39
1