12
PS8932C 07/31/08
PI3PCIE2612-B
High Bandwidth, 6-Differential Channel
1:2 DP/PCIe Gen2 Display Mux, BTX Pinout
Applications Information
Differential Input Characteristics for IN_x+/- and Rxx+/- signals.
Symbol Parameter Min Nom Max Units Comments
Tbit Unit Interval 199.94 200.00 200.06 Ps De¿ ned by Gen2 spec.
V
RX-Diffp-p
Differential Input Peak
to Peak Voltage
0.175 1.200 V VRX-DIFFp-p = 2*|VRX-
D+ - VRX-D-|. Applies to
IN_D and RX_IN signals.
T
RX-EYE
Minimum Eye Width at
IN_D input pair.
TBD Tbit
V
CM-AC-pp
AC Peak 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 30kHz.
Z
RX-DIFF-DC
DC Differential Input
Impedance
80 100 120
Ω
Rx DC Differential Mode
impedance.
Z
RX-DC
DC Input Impedance
40 50 60
Ω
Required IN_D+ as well
as IN_D- DC impedance
(50 Ω +/- 20% tolerance).
Includes mux resistance.
V
RX-Bias
Rx input termination
voltage
0 2.0 V Intended to limit power-
up stress on PCIE output
buffers.
DDIL
Differential Insertion
Loss
-[0.6*(f)+0.5] dB up to 2.5
GHz (for example, -2 dB at f
= 2.5 GHz);
-[1.2*(f-2.5)+2] dB for 2.5
GHz < f 5 GHz (for exam-
ple, -5 dB at f = 5 GHz);
-[1.6*(f-5)+5] dB for 5 GHz
< f 7.5 GHz (for example,
-9 dB at f = 7.5 GHz);
dB
DDRL
Differential Return
Loss
-14 dB up to 2.8 GHz; -8
dB up to 5 GHz; -4 dB up to
7.5 GHz.
dB
DDNEXT
Near End Crosstalk
-32 dB max up to 2.5 GHz; -
26 dB max up to 5.0 GHz; -20
dB max up to 7.5 GHz;
dB
DDIL when
switch is off
Differential Insertion
Loss when switch is off
-20 dB up to 3 GHz; dB
08-0147