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EP2SGX60CF780C4N Datasheet, PDF (182/316 Pages) Altera Corporation – Support for numerous single-ended and differential I/O standards | |||
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Operating Conditions
Figure 4â4. Transmitter Output Waveform
Single-Ended Waveform
VCM
VOD
Positive Channel (p)
Negative Channel (n)
Ground
Differential Waveform
VOD
VOD (diff peak-peak) = 2 x VOD (single-ended)
pân=0V
VOD
Figure 4â5. Maximum Receiver Input Pin Voltage
Single-Ended Waveform
V(single-ended p-p)max = 3.3 V/2
VCM = 0.85 V
VMAX = VCM + V(single-ended p-p)max = 0.85 + 0.825 = 1.675 V (1)
2
Positive Channel (p)
Negative Channel (n)
Ground
Note to Figure 4â5:
(1) The absolute VMAX that the receiver input pins can tolerate is 2 V.
Tables 4â7 through 4â12 show the typical VOD for data rates from
600 Mbps to 6.375 Gbps. The specification is for measurement at the
package ball.
Table 4â7. Typical VOD Setting, TX Term = 100 Ω Note (1)
VC C H TX = 1.5 V
VOD Setting (mV)
200
400
600
800
1000
1200
1400
VOD Typical (mV)
220
430
625
830
1020
1200
1350
Note to Table 4â7:
(1) Applicable to data rates from 600 Mbps to 6.375 Gbps. Specification is for measurement at the package ball.
4â12
Stratix II GX Device Handbook, Volume 1
Altera Corporation
June 2009
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