參數(shù)資料
型號： PC8641MSH1333JB
廠商： E2V TECHNOLOGIES PLC
元件分類： 微控制器/微處理器
英文描述： MICROPROCESSOR, CBGA1023
封裝： 33 X 33 MM, 2.72 MM HEIGHT, 1 MM PITCH, ROHS COMPLIANT, CERAMIC, FC-BGA-1023
文件頁數(shù)： 73/111頁
文件大小： 1660K
代理商： PC8641MSH1333JB
64
0893C–HIREL–01/10
PC8641 and PC8641D [Preliminary]
e2v semiconductors SAS 2010
16.6
Transmitter Specifications
LP-Serial transmitter electrical and timing specifications are stated in the text and tables of this section.
The differential return loss, S11, of the transmitter in each case shall be better than
-10 dB for (Baud Frequency)/10 < Freq(f) < 625 MHz, and
-10 dB + 10log(f/625 MHz) dB for 625 MHz
≤Freq(f) ≤Baud Frequency
The reference impedance for the differential return loss measurements is 100 Ohm resistive. Differential
return loss includes contributions from on-chip circuitry, chip packaging and any off-chip components
related to the driver. The output impedance requirement applies to all valid output levels.
It is recommended that the 20%-80% rise/fall time of the transmitter, as measured at the transmitter out-
put, in each case have a minimum value 60 ps.
It is recommended that the timing skew at the output of an LP-Serial transmitter between the two signals
that comprise a differential pair not exceed 25 ps at 1.25 GB, 20 ps at 2.50 GB and 15 ps at 3.125 GB.
Table 16-2.
Short Run Transmitter AC Timing Specifications: 1.25 GBaud
Characteristic
Symbol
Range
Unit
Notes
Min
Max
Output Voltage
V
O
-0.40
2.30
V
Voltage relative to COMMON of
either signal comprising a
differential pair
Differential Output Voltage
V
DIFFPP
500
1000
mV p-p
Deterministic Jitter
JD
0.17
UI p-p
Total Jitter
JT
0.35
UI p-p
Multiple output skew
SMO
1000
ps
Skew at the transmitter output
between lanes of a multilane link
Unit Interval
UI
800
ps
± 100 ppm
Table 16-3.
Short Run Transmitter AC Timing Specifications: 2.5 GBaud
Characteristic
Symbol
Range
Unit
Notes
Min
Max
Output Voltage,
V
O
-0.40
2.30
V
Voltage relative to COMMON of
either signal comprising a
differential pair
Differential Output Voltage
VDIFFPP
500
1000
mV p-p
Deterministic Jitter
J
D
0.17
UI p-p
Total Jitter
JT
0.35
UI p-p
Multiple output skew
SMO
1000
ps
Skew at the transmitter output
between lanes of a multilane link
Unit Interval
UI
400
ps
± 100 ppm
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