Datasheet

MAX3845
DVI/HDMI 2:4 TMDS Fanout Switch and
Cable Driver
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Pin Description (continued)
PIN NAME FUNCTION
63 OUT_LEVEL
Output Level Select, LVTTL/LVCMOS Input. Force pin low when no back termination is used (11mA
of tail current). Force pin high when 200 back termination resistors are used (14mA of tail
current).
66, 69, 72,
75, 76, 79,
81, 84, 87,
90, 93
GND1 Supply Ground. Ground connection for input channel 1 and output channels 1 and 2.
67, 70, 73,
77
OUT2_D-,
OUT2_C-,
OUT2_B-,
OUT2_A-
Inverting TMDS, CML Output, Channel 2
68, 71, 74,
78
OUT2_D+,
OUT2_C+,
OUT2_B+,
OUT2_A+
Noninverting TMDS, CML Output, Channel 2
82, 85, 88,
91
OUT1_D-,
OUT1_C-,
OUT1_B-,
OUT1_A-
Inverting TMDS, CML Output, Channel 1
83, 86, 89,
92
OUT1_D+,
OUT1_C+,
OUT1_B+,
OUT1_A+
Noninverting TMDS, CML Output, Channel 1
— EP
Ground. The exposed pad must be soldered to the circuit board ground for proper thermal and
electrical operation.