89hpes24t6g2 Integrated Device Technology, 89hpes24t6g2 Datasheet - Page 17

• Manufacturer Part Number: 89hpes24t6g2
• Description: 24-lane, 6-port Gen2 Pcie I/o Expansion Switch
• Manufacturer: Integrated Device Technology

DC Electrical Characteristics
Serial Link
I/O Type Parameter
IDT 89HPES24T6G2 Data Sheet
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.
PCIe Transmit
V
V
V
3.5dB
V
6.0dB
V
V
V
idle-delta
V
delta
V
V
RL
RL
Z
VTX-CM-ACpp
V
V
I
TX-SHORT
TX-DIFFp-p
TX-DIFFp-p-LOW
TX-DE-RATIO-
TX-DE-RATIO-
TX-DC-CM
TX-CM-ACP
TX-CM-DC-active-
TX-CM-DC-line-
TX-Idle-DiffP
TX-RCV-Detect
TX-DIFF-DC
TX-DC-CM
TX-RCV-DETECT
TX-DIFF
TX-CM
Differential peak-to-peak output
voltage
Low-Drive Differential Peak to
Peak Output Voltage
De-emphasized differential output
voltage
De-emphasized differential output
voltage
DC Common mode voltage
RMS AC peak common mode
output voltage
Abs delta of DC common mode
voltage between L0 and idle
Abs delta of DC common mode
voltage between D+ and D-
Electrical idle diff peak output
Voltage change during receiver
detection
Transmitter Differential Return
loss
Transmitter Common Mode
Return loss
DC Differential TX impedance
Transmit Driver DC Common
Mode Voltage
The amount of voltage change
allowed during Receiver Detec-
tion
Transmitter Short Circuit Current
Limit
Peak-Peak AC Common
Description
Table 18 DC Electrical Characteristics (Part 1 of 3)
Min
800
400
10
80
-3
0
6
0
0
17 of 51
1
Gen1
Typ
100
NA
NA
1
Max
1200
1200
100
600
120
600
3.6
3.6
20
25
20
90
-4
1
Min
800
400
-3.0
-5.5
0
0
1
Gen2
Typ
-3.5
-6.0
1
1.25GHz8
dB: 1.25 -
Max
2.5GHz
10dB:
0.05 -
1200
1200
-4.0
-6.5
100
600
120
100
600
3.6
3.6
25
20
6
1
Unit
mV
mV
mV
mV
mV
mV
mV
mV
mV
dB
dB
dB
dB
90
Ω
V
V
May 7, 2008
Condi-
tions
mA