8

www.pericom.com

PS9060A

08/23/11

PI3VDP411LSR

Dual Mode DisplayPort™ to DVI/HDMI™ Electrical Bridge (Level Shifter)

Table 2: Differential Output Characteristics for TMDS_OUT signals

Symbol

Parameter

Min

Typ

Max

Units Comments

Single-ended high level

output voltage

age in the HDMI or DVI Sink.

Single-ended low level

output voltage

The open-drain output pulls

Single ended output swing

voltage

425

500

600

mV

Swing down from TMDS termi-

nation voltage (3.3V ±10%)

Single-ended current in

high-Z state

50

µA

Measured with TMDS outputs

through 50Ω resistors.

Intra-pair differential

skew

30

ps

This differential skew budget is

in addition to the skew present-

ed between D+ and D- paired

input pins. HDMI revision 1.3

source allowable intrapair skew

Inter-pair lane-to-lane

output skew

100

ps

This lane-to-lane skew budget

is in addition to skew between

differential input pairs

Jitter added to TMDS

signals

25

ps

Jitter budget for TMDS signals

as they pass through the level

Gb/s

TMDS output oscillation elimination

The inputs do not incorporate a squelch circuit. Therefore, we recommend the input to be externally biased to prevent output oscilla-

tion. Pericom recommends to add a 1.5Kohm pull-up to the CLK- input.

TMDS Input Fail-Safe Recommendation

1.5Kohm

VBIAS

DMDP

Receiver

TMDS

Driver

S

S

S

S

3.3V

11-0084