参数资料
型号: MSC8144E
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 数字信号处理
英文描述: 0-BIT, 150 MHz, OTHER DSP, PBGA783
封装: 29 X 29 MM, LEAD FREE, PLASTIC, FCPBGA-783
文件页数: 41/80页
文件大小: 2284K
代理商: MSC8144E
MSC8144E Quad Core Digital Signal Processor Data Sheet, Rev. 0
Electrical Characteristics
Freescale Semiconductor
46
2.7.5.5
Receiver Specifications
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.
Figure 13. Transmitter Output Compliance Mask
Table 36. Transmitter Differential Output Eye Diagram Parameters
Transmitter Type
VDIFFmin (mV)
VDIFFmax (mV)
A (UI)
B (UI)
1.25 GBaud short range
250
500
0.175
0.39
1.25 GBaud long range
400
800
0.175
0.39
2.5 GBaud short range
250
500
0.175
0.39
2.5 GBaud long range
400
800
0.175
0.39
3.125 GBaud short range
250
500
0.175
0.39
3.125 GBaud long range
400
800
0.175
0.39
Table 37. Receiver AC Timing Specifications—1.25 GBaud
Characteristic
Symbol
Range
Unit
Notes
Min
Max
Differential Input Voltage
VIN
200
1600
mVPP
Measured at receiver
Deterministic Jitter Tolerance
JD
0.37
UIPP
Measured at receiver
Combined Deterministic and Random
Jitter Tolerance
JDR
0.55
UIPP
Measured at receiver
0
VDIFF min
VDIFF max
-VDIFF min
-VDIFF max
0B
1-B
1
Time in UI
T
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A1-A
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