User's Manual

SU60-SIPT
Datasheet
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Symbol Parameter Min. Typ. Max. Unit
T TX-LF-RMS
Tx RMS jitter<1.5MHz
Total energy measured over a 10KHz-1.5MHz
range
- 3.0 - Ps RMS
T TX-RISE-FALL
Tx rise/fall time
Measured differentially from 20% to 80%
0.15 - - UI
RL TX-DIFF
Tx package plus Si differential return loss
(0.05-1.25GHz)
(1.25-2.5GHz)
10
8
- - dB
RL TX-CM
Tx package plus Si common mode return loss
6 - - dB
V TX-CM-AC-PP Tx AC common mode voltage - - 100 mV
I TX-SHORT Tx short circuit current limit - - 90 mA
V TX-DC-CM Tx DC common mode voltage - - 3.6 V
V TX-CM-DC-ACTIVE-
IDLE-DELTA
Absolute delta of DC common mode voltage
during L0 and electrical idle.
0 - 100 mV
V TX-IDLE-DIFF-AC-p
Electrical idle differential peak output voltage
V TX-IDLE-DIFF-DC = │ V TX-IDLE-D+ – V TX-IDLE-D- │≦ 20mV
0 - 20 mV
V TX-IDLE-DIFF-DC
DC Electrical idle differential output voltage
V TX-IDLE-DIFF-DC = │ V TX-IDLE-D+ – V TX-IDLE-D- │≦ 5mV
0 - 5 mV
V TX-RCVDETECT Voltage change allowed during receiver detection 0 - 600 mV
T TX-IDLE-MIN Minimum time spent in electrical idle 20 - - ns
T TX-IDLE-SET-TO-IDLE
Maximum time to transition to a valid electrical
idle after sending an electrical idle ordered set
- - 8 ns
T TX-IDLE-TO-DIFF-DATA
Maximum time to transition to valid diff signalling
after leaving electrical idle
- - 8 ns
T CROSLINK Crosslink random timeout - - 1.0 ms
C TX AC coupling capacitor 75 - 200 nF
10.2.2 Differential RX input Electricals
Note: Over full range of values specified in the Recommended Operating Conditions unless otherwise
specified.
Table 26: PCI Express RX Output Specifications – 2.5GT/s
Symbol Parameter Min. Typ. Max. Unit
UI
Unit interval (UI)
The specified UI is equivalent to a tolerance of +/-
300ppm for each Refclk source. Period does not
account for SSC induced variations.
399.88 - 400.12
Ps
V RX-DIFF-PP-CC
Differential RX peak-to-peak voltage for common
Refclk RX architecture
0.175 - 1.2 V
V RX-DIFF-PP-DC
Differential RX peak-to-peak voltage for data
clocked Refclk RX architecture
0.175 - 1.2 V