8

PS8913A

08/29/07

PI3VDP411LS

Digital Video Level Shifter from AC coupled

digital video input to a DVI/HDMI transmitter

Table 5: Differential Input Characteristics for IN_D and RX_IN signals

Symbol

Parameter

Min

Nom Max

Units Comments

Tbit

Unit Interval

360

ps

Tbit is determined by the display mode. Nom-

inal bit rate ranges from 250Mbps to 2.5Gbps

per lane. Nominal Tbit at 2.5 Gbps=400ps.

360ps=400ps-10%

to Peak Voltage

0.175

1.200 V

VRX-DIFFp-p=2'|VRX-D+ x VRX-D-|

Applies to IN_D and RX_IN signals

Minimum Eye Width at

IN_D input pair

0.8

Tbit

The level shifter may add a maximum of

0.02UI jitter

Common Mode Input

Voltage

100

mV

VCM-AC-pp = |VRX-D+ + VRX-D-|/2

- VRX-CM-DC.

VRX-CM-DC = DC(avg) of|VRX-D+ +

VRX-D-|/2

VCM-AC-pp includes all frequencies

above 30 kHz.

40

50

60

Ω

Required IN_D+ as well as IN_D- DC

impedance (50

Ω ± 20% tolerance).

0

2.0

V

Intended to limit power-up stress on

chipset's PCIE output buffers.

100

k

Ω

Differential inputs must be in a high im-

pedance state when OE# is HIGH.

07-0198