参数资料
型号: MC8641HX1250KB
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: MICROPROCESSOR, CBGA1023
封装: 33 X 33 MM, CERAMIC, BGA-1023
文件页数: 114/140页
文件大小: 1484K
代理商: MC8641HX1250KB
MPC8641 and MPC8641D Integrated Host Processor Hardware Specifications, Rev. 0
Freescale Semiconductor
75
PCI Express
Figure 50. Minimum Transmitter Timing and Voltage Output Compliance Specifications
14.4.3
Differential Receiver (RX) Input Specifications
Table 50 defines the specifications for the differential input at all receivers (RXs). The parameters are
specified at the component pins.
Table 50. Differential Receiver (RX) Input Specifications
Symbol
Parameter
Min
Nom
Max
Units
Comments
UI
Unit Interval
399.8
8
400
400.12
ps
Each UI is 400 ps ± 300 ppm. UI does not
account for Spread Spectrum Clock dictated
variations. See Note 1.
VRX-DIFFp-p
Differential
Peak-to-Peak
Output Voltage
0.175
1.200
V
VRX-DIFFp-p = 2*|VRX-D+ - VRX-D-|
See Note 2.
TRX-EYE
Minimum
Receiver Eye
Width
0.4
UI
The maximum interconnect media and
Transmitter jitter that can be tolerated by the
Receiver can be derived as TRX-MAX-JITTER =
1 - TRX-EYE= 0.6 UI.
See Notes 2 and 3.
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