ort8850 Lattice Semiconductor Corp., ort8850 Datasheet - Page 72

• Manufacturer Part Number: ort8850
• Description: Field-programmable System Chip Fpsc Eight-channel X 850 Mbits/s Backplane Transceiver
• Manufacturer: Lattice Semiconductor Corp.

Lattice Semiconductor
Table 25. Channel Output Jitter (622 Mbits/s)
Table 26. Channel Output Jitter (155 Mbits/s)
Table 27. Synthesizer Specifications
Deterministic
Random
Total
1. With PRBS 2^7 data pattern, all channels operating, FPGA logic active, REFCLK jitter of 30 ps., 0°C to 85°C, 1.425 V to 1.575 V supply.
2. Wavecrest SIA-3000 instrument used to measure one-sigma (rms) random jitter component value. This value is multiplied by 14 to provide
3. Total jitter measurement performed with Wavecrest SIA-3000 at a BER of 10
Deterministic
Random
Total
1. With PRBS 2^7 data pattern, all channels operating, FPGA logic active, REFCLK jitter of 30 ps., 0°C to 85°C, 1.425 V to 1.575 V supply.
2. Wavecrest SIA-3000 instrument used to measure one-sigma (rms) random jitter component value. This value is multiplied by 14 to provide
3. Total jitter measurement performed with Wavecrest SIA-3000 at a BER of 10
PLL
Loop Bandwidth
Jitter Peaking
power-up Reset Time
Lock Acquisition Time
Input Reference Clock
Frequency
Frequency Deviation
Phase Change
1. External 10 kΩ resistor to analog ground required.
2. The frequency deviation allowed between the transmitter reference clock and receiver reference clock on a given link.
3. Translates to a frequency change of 500 ppm.
the peak-to-peak value that corresponds to a BER of 10
cations for a detailed discussion of jitter types included in this measurement.
the peak-to-peak value that corresponds to a BER of 10
cations for a detailed discussion of jitter types included in this measurement.
1
2,3
2,3
Parameter
Parameter
Parameter
2
Over a 200 ns time interval
-12
-12
.
.
Conditions
Conditions
Conditions
—
—
—
—
—
—
72
-12
-12
. See instrument documentation and other Wavecrest publi-
. See instrument documentation and other Wavecrest publi-
3
Min.
Min.
-350
62.5
Min
10
—
—
—
—
—
—
—
—
—
—
ORCA ORT8850 Data Sheet
Typical
0.027
0.053
Typ.
Typ.
0.09
0.11
0.20
0.08
—
—
—
—
—
—
—
1
1
106.25
Max.
Max.
0.035
0.065
0.10
0.14
0.24
0.10
Max
350
100
—
6
2
1
1
1
Units
Units
UIp-p
UIp-p
UIp-p
UIp-p
UIp-p
UIp-p
MHz
MHz
Unit
ppm
dB
ms
μs
ps