Datasheet

HPDInput
5pF
HPD
BUFFER
HPDOutput
5pF
S0367-01
5V
2.5V
HPD_SINK
HPD[1:3]
0V
3.3V
1.65V
0V
t
PD1(HPD)
T0387-01
t
s2
HPD_SINK
S2
S1
HPD1
HPD2
t
z
LP
5 V
0 V
5 V
0 V
5 V
0 V
VCC
0 V
0 V
VCC
0 V
0 V
5 V
t
s1
T0423-01
2.5V
2.5V
VCC/2
VCC/2
TMDS361B
www.ti.com SLLS988A –SEPTEMBER 2009– REVISED JULY 2011
SWITCHING CHARACTERISTICS
over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
t
PD1(HPD)
HPD_SINK propagation delay HPD_SINK to HPD[1:3] 12 20 ns
t
S1(HPD)
Selecting port HPD switch time S[1:2] to HPD[1:3] 17 30 ns
t
S2(HPD)
Deselecting port HPD switch time S[1:2] to HPD[1:3] 14 22 ns
t
Z(HPD)
Low-power to high-level propagation delay LP to HPD[1:3] 13 20 ns
Figure 1. HPD Test Circuit Figure 2. HPD Timing Diagram #1
Figure 3. HPD Timing Diagram #2
Copyright © 2009–2011, Texas Instruments Incorporated 11