TMDS261B Datasheet, PDF (11/48 Pages) Texas Instruments – TWO-PORT HDMI SWITCH

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TMDS261B
SLLS987A – SEPTEMBER 2009 – REVISED JULY 2011
SWITCHING CHARACTERISTICS
over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
t_PD1(HPD)
t_S1
t_S2
t_Z
HPD_SINK propagation delay
Selecting port HPD switch time
Deselecting port HPD switch time
Low-power to high-level propagation delay
HPD_SINK to HPD[1:2]
S[1:2] to HPD[1:2]
S[1:2] to HPD[1:2]
LP to HPD[1:2]
MIN TYP
12
17
14
13
MAX
20
30
22
20
UNIT
ns
ns
ns
ns
HPD Input
5 pF
HPD
BUFFER
HPD Output
5 pF
S0367-01
5V
2.5 V
0V
3.3 V
t_PD1(HPD)
1.65 V
HPD_SINK
HPD[1:2]
Figure 1. HPD Test Circuit
HPD_SINK
0V
Figure 2. HPD Timing Diagram #1
5V
T0387-02
0V
5V
S1
2.5 V
0V
5V
S2
0V
HPD2
t_s2
HPD1
t_s1
LP
t_z
Figure 3. HPD Timing Diagram #2
VCC
VCC/2
0V
VCC
VCC/2
0V
5V
2.5 V
0V
T0423-01
Copyright © 2009–2011, Texas Instruments Incorporated
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