89HPES22H16G2 Datasheet, PDF (28/57 Pages) Integrated Device Technology – Supports up to 128 Bytes to 2 KB maximum payload size

IDT 89HPES22H16G2 Data Sheet
DC Electrical Characteristics
Values based on systems running at recommended supply voltages, as shown in Table 13.
Note: See Table 8, Pin Characteristics, for a complete I/O listing.
I/O Type Parameter
Description
Min¹
Serial Link PCIe Transmit
V_TX-DIFFp-p
Differential peak-to-peak output 800
voltage
V_{TX-DIFFp-p-LOW} Low-Drive Differential Peak to
400
Peak Output Voltage
V_TX-DE-RATIO- De-emphasized differential output -3
3.5dB
voltage
V_TX-DE-RATIO-
6.0dB
De-emphasized differential output
voltage
V_TX-DC-CM
DC Common mode voltage
0
V_TX-CM-ACP
RMS AC peak common mode
output voltage
V_{TX-CM-DC-active-} Abs delta of DC common mode
idle-delta
voltage between L0 and idle
V_{TX-CM-DC-line-} Abs delta of DC common mode
delta
voltage between D+ and D-
V_{TX-Idle-DiffP}
Electrical idle diff peak output
RL_TX-DIFF
Transmitter Differential Return
10
loss
Gen1
Typ¹ Max¹
1200
1200
-4
NA
3.6
20
100
25
20
Min¹
800
400
-3.0
-5.5
0
RL_TX-CM
Transmitter Common Mode
6
Return loss
Z_TX-DIFF-DC
DC Differential TX impedance
VTX-CM-ACpp Peak-Peak AC Common
80
100
120
NA
V_TX-DC-CM
Transmit Driver DC Common
0
Mode Voltage
3.6
0
V_{TX-RCV-DETECT} The amount of voltage change
600
allowed during Receiver Detec-
tion
I_TX-SHORT
Transmitter Short Circuit Current 0
90
Limit
Table 18 DC Electrical Characteristics (Part 1 of 2)
Gen2
Typ¹ Max¹
1200
1200
-3.5
-4.0
-6.0
-6.5
3.6
100
25
20
10
8
6
120
100
3.6
600
Unit
Condi-
tions
mV
mV
dB
dB
V
mV
mV
mV
mV
dB 0.05 - 1.25GHz
dB 1.25 - 2.5GHz
dB
Ω
mV
V
mV
90
mA
28 of 57
November 28, 2011