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参数资料
型号： ORT42G5-EV
厂商： Lattice Semiconductor Corporation
文件页数： 94/119页
文件大小： 0K
描述： BOARD EVAL ORT42G5/CABLE/ADAPTER
标准包装： 1
系列： ORCA® 4 系列
类型： FPGA
适用于相关产品： ORT42G5
所含物品： 板，线缆，电源
其它名称： ORT42G5EV
Lattice Semiconductor
ORCA ORT42G5 and ORT82G5 Data Sheet
76
High Speed Data Transmitter
Table 32 species serial data output buffer parameters measured on devices with typical and worst case process
parameters and over the full range of operation conditions.
Table 32. Serial Output Timing and Levels (CML I/O)
Transmitter output jitter is a critical parameter to systems with high speed data links. Table 33 and Table 34 specify
the transmitter output jitter for typical and worst case devices over the full range of operating conditions.
Table 33. Channel Output Jitter (3.125 Gbps)
Table 34. Channel Output Jitter (2.5 Gbps)
Parameter
Min.
Typ.
Max.
Units
Rise Time (20%—80%)
50
80
110
ps
Fall Time (80%—20%)
50
80
110
ps
Common Mode
VDDOB - 0.30
VDDOB - 0.25
VDDOB - 0.15
V
Differential Swing (Full Amplitude)
1
600
700
1000
mVp-p
Differential Swing (Half Amplitude)
1
300
350
500
mVp-p
Output Load (external)
—
86
—
Ω
1. Differential swings measured at the end of 3 inches of FR-4 and 12 inches of coax cable.
Parameter
Device
Min.
Typ.
1
Max.
1
Units
Deterministic
ORT42G5
—
0.12
0.21
Ulp-p
ORT82G5
—
0.12
0.16
Ulp-p
Random
ORT42G5
—
0.05
0.10
Ulp-p
ORT82G5
—
0.05
0.08
Ulp-p
Total
2, 3
ORT42G5
—
0.17
0.31
Ulp-p
ORT82G5
—
0.17
0.24
Ulp-p
1. With PRBS 2^7-1 data pattern, all channels operating, FPGA logic active, REFCLK jitter of 30 ps., 0
oC to 85oC, 1.425V to 1.575V supply.
2. Wavecrest SIA-3000 instrument used to measure one-sigma (rms) random jitter component value. This value is multiplied by 14 to provide
the peak-to-peak value that corresponds to a BER of 10
-12.
3. Total jitter measurement performed with Wavecrest SIA-3000 at a BER of 10
-12. See instrument documentation and other Wavecrest publi-
cations for a detailed discussion of jitter types included in this measurement.
Parameter
Device
Min.
Typ.
1
Max.
1
Units
Deterministic
ORT42G5
—
0.11
0.13
Ulp-p
ORT82G5
—
0.11
0.13
Ulp-p
Random
ORT42G5
—
0.05
0.14
Ulp-p
ORT82G5
—
0.05
0.07
Ulp-p
Total
2, 3
ORT42G5
—
0.16
0.27
Ulp-p
ORT82G5
—
0.16
0.20
Ulp-p
1. With PRBS 2^7-1 data pattern, all channels operating, FPGA logic active, REFCLK jitter of 30 ps., 0
oC to 85oC, 1.425V to 1.575V supply.
2. Wavecrest SIA-3000 instrument used to measure one-sigma (rms) random jitter component value. This value is multiplied by 14 to provide
the peak-to-peak value that corresponds to a BER of 10
-12.
3. Total jitter measurement performed with Wavecrest SIA-3000 at a BER of 10
-12. See instrument documentation and other Wavecrest publi-
cations for a detailed discussion of jitter types included in this measurement.
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