41978 AMD RS690M Databook 3.06
© 2008 Advanced Micro Devices, Inc.
5-4
Proprietary
Electrical Characteristics
Figure 5-1 DC Characteristics of the TMDS Interface
Table 5-8 Electrical Requirements for the LVDS Interface
Symbol
Parameter
Minimum
Typical
Maximum
Unit
Note
VCM
Differential Output Common-mode Voltage
1.125
–
1.375
V
1
DVCM
Differential Output Common-mode Voltage
Ripple
–
–
150
mV
1
VH
Single-ended High Level Output Voltage
VCM + 0.257
–
VCM + 0.454
V
1
VL
Single-ended Low Level Output Voltage
VCM - 0.257
–
VCM - 0.454
V
1
VSW
Single-ended Output Swing
257
–
454
mV
1
VOS
Differential Output Overshoot (Ringing)
–
–
160
mV
1
VUS
Differential Output Undershoot (Ringing)
–
–
160
mV
1
IDDLP
Average Supply Current at
–
10.0
–
mA
2
IDDLV
Average Supply Current at
–
100.0
–
mA
2
IPDLP
Power Down Current at
–
10.0
–
µ
A
3
IPDLV
Power Down Current at
–
10.0
–
µ
A
3
Notes:
1 Differential termination is 100 ohms.
2 Measured under typical conditions, at minimum Differential Clock Frequency and maximum LVDS PLL VOC frequency.
3 Measured under typical conditions, based on typical leakage values.
4 Figure 5-2 below illustrates the DC characteristics of the LVDS interface.
VSW
VHmax
VHmin
VLmax
VLmin
2VSW
VOS
VUS
Single-ended W aveform s
Differential W aveform
VOS
VUS