BU7963GUW Datasheet, PDF (17/20 Pages) Rohm – Data rate 1350Mbps RGB Interface

BU7963GUW
Technical Note
●High-speed Channel Characteristic
Table 18. High-speed channel characteristic
Ta=25°C, DVDD=MSVDD=1.80V and DGND=MSGND=0.00V, unless otherwise noted.
Parameter
Symbol
Min
Limits
Typ
Max
Unit
Differential Voltage Range
V_{diff_tx}
100
150
200 mVpp
Common Mode Voltage Range V_{cm_tx}
0.8
0.9
1.0
V
Vdiff_tx Rise Time
t_{r_tx}
200
-
500
ps
Vdiff_tx Fall Time
t_{f_tx}
200
-
500
ps
Operating Frequency
f_{opr_tx}
-
-
225 MHz
TX Hi-Z State Leak Current
I_{LEAK_TX}
-3
-
3
µA
Conditions
Shutdown mode or standby mode
fopr_tx
OutP(D0+,D1+,D2+)
Single-ended
Vcm_tx
OutN(D0-,D1-,D2-)
Differential
(OutP-OutN)
Vdiff_tx
0
20%
60%
20%
tr_tx
tf_tx
Fig.15. High-Speed Channel Electrical Characteristics
Fig.16 shows high-speed channel equivalent schematic.
MSDL3 TX
MSVDD
Transmission
line
MSDL3 RX
Logical input
to
MSDL3 TX
VO+ ^ILEAK_TX
R_TX/ 2
R_TX/ 2
VO- _{ILEAK_TX}
MSGND
I_{LEAK_RX}
MSVDD
R_RX/ 2
R_RX/ 2
VI+
Logical output
from
VI-
MSDL3 RX
I_{LEAK_RX}
MSGND
MSVDD
I_{PULL_RX VCM}
MSGND ^VLINK_RX
Link detection
comparator
output
MSGND
Fig.16. high-speed channel equivalent schematic.
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2010.04 - Rev.A