TMDS250 Datasheet, PDF (10/26 Pages) Texas Instruments – 2.5 Gbps 2-TO-1 DVI/HDMI SWITCH

TMDS250
SLLS866 – AUGUST 2007
PARAMETER MEASUREMENT INFORMATION
TMDS
Driver
Z_O = R_T
Z_O = R_T
AVcc
RT
RT
TMDS
Receiver
Figure 1. Termination for TMDS Output Driver
Vcc
R _INT
R _INT
A
V _A ^VID
B
TMDS
Receiver
VB
V
ID
=
V _{A −} VB
TMDS
Driver
Y
CL
0.5 pF
Z
Vswing = VY − V _Z
RT
VY ^RT
VZ
AVcc
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VA
VB
VID
VID(pp)
tPHL
Vswing
VOD(pp)
tf
V _OC
80%
tPLH
20%
VOD(U)
DC Coupled AC Coupled
Vcc
Vcc+0.2 V
Vcc−0.4 V Vcc−0.2 V
0.4 V
V
ID
0V
−0.4 V
100%
V _OD(O)
0V Differential
0%
tr
nVOC(SS)
NOTE: All input pulses are supplied by a generator having the following characteristics: t_r or t_f < 100 ps, 100 MHz from
Agilent 81250. C_L includes instrumentation and fixture capacitance within 0.06 m of the D.U.T. Measurement
equipment provides a bandwidth of 20 GHz minimum.
Figure 2. TMDS Input, Output, and Timing Definitions
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