Datasheet
TMDS351
SLLS840B –MAY 2007– REVISED JULY 2011
www.ti.com
RECOMMENDED OPERATING CONDITIONS
MIN NOM MAX UNIT
V
CC
Supply voltage 3 3.3 3.6 V
V
DD
Standby supply voltage 4.5 5 5.5 V
T
A
Operating free-air temperature 0 70 °C
TMDS DIFFERENTIAL PINS
V
IC
Input common mode voltage V
CC
–0.4 V
CC
+0.01 V
V
ID
Receiver peak-to-peak differential input voltage 150 1560 mVp-p
R
VSADJ
Resistor for TMDS compliant voltage swing range 3.66 4.02 4.47 kΩ
AV
CC
TMDS output termination voltage, see Figure 1 3 3.3 3.6 V
R
T
Termination resistance, see Figure 1 45 50 55 Ω
Signaling rate 0 2.5 Gbps
CONTROL PINS
V
IH
LVTTL High-level input voltage 2 V
CC
V
V
IL
LVTTL Low-level input voltage GND 0.8 V
DDC I/O PINS
V
I(DDC)
DDC Input voltage GND V
DD
V
STATUS and SOURCE SELECTOR PINS
V
IH
LVTTL High-level input voltage 2 V
DD
V
V
IL
LVTTL Low-level input voltage GND 0.8 V
ELECTRICAL CHARACTERISTICS
over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
(1)
MAX UNIT
V
IH
= V
CC
, V
IL
= V
CC
– 0.6 V, S1/S2 =
R
T
= 50 Ω, AV
CC
= 3.3 V Low/Low,
176 200
Am/Bm(2:4) = 2.5 Gbps HDMI data Low/High,
I
CC
Supply current mA
pattern High/High
Am/Bm(1) = 250 MHz clock
S1/S2 =
8 20
High/Low
V
IH
= V
CC
, V
IL
= V
CC
– 0.6 V,
R
T
= 50 Ω, AV
CC
= 3.3 V
I
DD
Power supply current, 5-V 2 5 mA
Am/Bm(2:4) = 2.5 Gbps HDMI data pattern
Am/Bm(1) = 250 MHz clock
TMDS DIFFERENTIAL PINS
V
OH
Single-ended high-level output voltage AV
CC
–10 AV
CC
+10 mV
V
OL
Single-ended low-level output voltage AV
CC
–600 AV
CC
–400 mV
V
swing
Single-ended output swing voltage 400 600 mV
See Figure 2, AV
CC
= 3.3 V,
V
OD(O)
Overshoot of output differential voltage 15% 2× V
swing
R
T
= 50 Ω
V
OD(U)
Undershoot of output differential voltage 25% 2× V
swing
Change in steady-state common-mode
ΔV
OC(SS)
5 mV
output voltage between logic states
I
(OS)
Short circuit output current See Figure 3 -12 12 mA
Single-ended input voltage under high
V
I(open)
I
I
= 10 µA V
CC
–10 V
CC
+10 mV
impedance input or open input
R
INT
Input termination resistance V
IN
= 2.9 V 45 50 55 Ω
CONTROL PINS
I
IH
High-level digital input current
(2)
V
IH
= 2 V or V
CC
-10 10 µA
I
IL
Low-level digital input current
(2)
V
IL
= GND or 0.8 V -10 10 µA
(1) All typical values are at 25°C and with a 3.3-V supply.
(2) I
IH
and I
IL
specifications are not applicable to the VSADJ pin.
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