参数资料
型号: RPIXP2850BB
厂商: INTEL CORP
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 1400 MHz, RISC PROCESSOR, PBGA1356
封装: 37.50 X 37.50 MM, 1 MM PITCH, FCBGA-1356
文件页数: 16/130页
文件大小: 1782K
代理商: RPIXP2850BB
Intel IXP2800 and IXP2850 Network Processors
Electrical Specifications
112
Datasheet
Table 50. Data Path Interface Timing (Static Alignment)
Symbol
Parameter
Min
Max
Units
fD
TDCLK / RDCLK Frequency
200
500
MHz
TDCLK / RDCLK Duty Cycle 1
1. Guaranteed by design.
45
55
%
T_dia,
Data invalid window with respect to clock edge
(Reference point A).
280
ps
G_max 1
Worst-case cumulative skew and jitter contribution
(Reference point B).
790
ps
Tsampling1
Data valid window with respect to clock edge.
(Reference point B)
1/(2D) - G_max
ps
20% - 80% rise and fall times
(UI = fD)
(Reference point A)
(Reference point B)
100 ps
0.30 UI
0.36 UI
UI
Comments:
1. Rise and fall times assume nominal 100-ohm termination and exclude reflections.
2. All timing parameters are measured relative to the differential crossing point of the corresponding clock
signal.
3. Jitter parameters are peak-to-peak, measured above fD/1000 and below fD.
4. Receiver sensitivity is assumed to be less than or equal to 100 mV.
5. Assumes a 5 pF output load at reference point A, a 10 pF load at reference point B, and a 50-ohm
transmission line in-between.
6. Assumes up to a 20 ps skew between traces of a differential pair.
Table 51. Data Path Interface Timing (Dynamic Alignment)
Symbol
Parameter
Min
Max
Unit
fD
TDCLK / RDCLK Frequency
200
500
MHz
TDCLK / RDCLK Jitter (at reference point A) 1
1. Guaranteed by design.
0.10
UI
TDAT / RDAT / TCTL / RCTL Jitter (at reference point A) 1
—0.24
UI
20% - 80% rise and fall
(UI = fD)
(Reference point A)
(Reference point B)
100 ps
0.30 UI
0.36 UI
UI
Comments:
1. Rise and fall times assume nominal 100-ohm termination and exclude reflections.
2. All timing parameters are measured relative to the differential crossing point of the corresponding clock
signal.
3. Jitter parameters are peak-to-peak, measured above fD/1000 and below fD.
4. Receiver sensitivity is assumed to be less than or equal to 100 mV.
5. Assumes a 5 pF output load at reference point A, a 10 pF load at reference point B, and a 50-ohm
transmission line in-between.
6. Assumes up to a 20 ps skew between traces of a differential pair.
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