ASIX AX99100 User Manual

53
AX99100
PCIe to Multi I/O Controller
Copyright © 2016 ASIX Electronics Corporation. All rights reserved.
PCIe Specifications 4.2
Symbol
Parameter
Conditions
Min
Typ
Max
Units
UI
Unit Interval
Each UI is 400 ps +/-300 ppm. UI
does not account for SSC dictated
variations
399.88
400
400.12
ps
Input Levels
V
RX-DIFF-PP
Differential RX peak-peak
voltage
2*|V
RX(DIP)
-V
RX(DIN)
|, measured
at the connection of the near-end
receiver
175
-
1200
mV
V
IDLE
Electrical idle detect threshold
Peak voltage
65
-
175
mV
V
RX-CM-AC
RX AC common-mode voltage
Peak voltage
-
-
150
mV
T
RX-EYE
Minimum Receiver Eye Width
0.4
-
-
UI
RL
RX-DIFF
Differential Return Loss
Measured over 50 MHz to 1.25
GHz.
10
-
-
dB
RL
RX-cm
Common Mode Return Loss
Measured over 50 MHz to 1.25
GHz.
6
-
-
dB
Output Levels
V
TX-DIFF-PP
Differential TX peak-peak
voltage swing
2*|V
TX(DOP)
-V
TX(DON)
|, measured
at the connection of the near-end
transmitter
800
-
1200
mV
T
TX-EYE
Transmitter eye, including all
jitter sources
SSC or Refclk jitter is not included
0.75
-
-
UI
V
TX-IDLE-AC
Electrical idle differential peak
output voltage
-
-
20
mV
V
T-D-R
Amount of voltage change
allowed during the receiver
detection
The total amount of voltage
change during TX-Detect-RX
-
-
600
mV
V
TX-CM-AC
TX AC common-mode voltage
Measured as the AC RMS value
-
-
20
mV
V
TX-DEM-ratio
TX de-emphasis level
Non-transient bits are driven out
with degrading amplitude
-3.0
-
-4.0
dB
F
BEACON
A signal of wakeup mechanism
Signal frequency
2.0
-
15
MHz
Resistance
R
RX
Built-in receiver input
impedance
40
50
60
Ω
R
TX
Built-in driver output impedance
40
50
60
Ω
Capacitance
C
TX
AC coupling capacitor
75
-
200
nF

ASIX AX99100 Specifications

General

Brand	ASIX
Model	AX99100
Category	Controller
Language	English