DS083 Datasheet, PDF (79/430 Pages) Xilinx, Inc – Summary of Features

R
Virtex-II Pro and Virtex-II Pro X Platform FPGAs: DC and Switching Characteristics
RocketIO DC Input and Output Levels
Table 11: RocketIO X Input/Output Voltage Specifications
Parameter
Symbol
Conditions
Min Typ Max Units
Peak-to-Peak Differential Input Voltage⁽¹⁾
Single-Ended Output Voltage Swing^(2,3)
Peak-to-Peak Differential Output Voltage^(2,3)
DV_IN
DV_OUT
DV_PPOUT
250
2000 mV
0
400
900
mV
0
800 1800 mV
Notes:
1. See Table 24, page 15, for minimum eye sensitivity.
2. Output swing levels are selectable using TXDOWNLEVEL attribute. Refer to the RocketIO X Transceiver User Guide for details.
3. Output preemphasis levels are selectable using the TXEMPHLEVEL attribute. Refer to the RocketIO X Transceiver User Guide for
details.
Table 12: RocketIO Input/Output Voltage Specifications
Parameter
Symbol
Conditions
Min Typ Max Units
Peak-to-Peak Differential Input Voltage
DV_IN
175
2000 mV
Differential Input Impedance
TERMINATION_IMP = 50
90
DIMP_IN
TERMINATION_IMP = 75
135
125
Ω
187.5 Ω
Single-Ended Output Voltage Swing^(1,2)
Peak-to-Peak Differential Output Voltage^(1,2)
DV_OUT
DV_PPOUT
400
800
mV
800 800 1600 mV
Notes:
1. Output swing levels are selectable using TX_DIFF_CTRL attribute. Refer to the RocketIO Transceiver User Guide for details.
2. Output preemphasis levels are selectable at 10% (default), 20%, 25%, and 33% using the TX_PREEMPHASIS attribute. Refer to the
RocketIO Transceiver User Guide for details.
+V TXP
TXN
0
+V
Figure 1: Single-Ended Output Voltage Swing
DV_OUT
DS083-3_04_120302
0
DV_PPOUT
–V _TXP–TXN
Figure 2: Peak-to-Peak Differential Output Voltage
DS083-3_05_120302
DS083 (v4.7) November 5, 2007
Product Specification
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