89hpes24t6g2 Integrated Device Technology, 89hpes24t6g2 Datasheet - Page 18

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

PCIe REFCLK
Other I/Os
LOW Drive
Output
High Drive
Output
Schmitt Trig-
ger Input
(STI)
Input
Capacitance
I/O Type Parameter
Serial Link
IDT 89HPES24T6G2 Data Sheet
(cont.)
PCIe Receive
V
RL
RL
Z
Z
Z
Z
POS
Z
NEG
V
DIFFp-p
V
RX-DIFFp-p
RX-DIFF-DC
RX--DC
RX-COMM-DC
RX-HIGH-IMP-DC-
RX-HIGH-IMP-DC-
RX-IDLE-DET-
RX-CM-ACp
RX-DIFF
RX-CM
C
I
I
V
V
C
I
I
V
V
OH
OH
OL
OL
IH
IH
IN
IL
IL
IN
Differential input voltage (peak-to-
peak)
Receiver Differential Return Loss
Receiver Common Mode Return
Loss
Differential input impedance (DC)
DC common mode impedance
Powered down input common
mode impedance (DC)
DC input CM input impedance for
V>0 during reset or power down
DC input CM input impedance for
V<0 during reset or power down
Electrical idle detect threshold
Receiver AC common-mode peak
voltage
Input Capacitance
Description
Table 18 DC Electrical Characteristics (Part 2 of 3)
Min
200k
175
-0.3
-0.3
1.5
2.0
2.0
10
80
40
65
—
—
—
—
—
6
18 of 51
1
Gen1
Typ
-20.0
350k
12.0
100
-5.5
2.5
50
—
—
—
—
—
—
1
V
V
Max
DD
DD
1200
1.0k
120
175
150
50k
0.8
0.5
0.8
0.5
8.5
60
—
—
—
—
I/O +
I/O +
1
Min
120
-0.3
-0.3
1.5
2.0
2.0
40
65
—
—
—
—
—
Refer to return loss spec
1
Gen2
Typ
-20.0
12.0
-5.5
2.5
—
—
—
—
—
—
1
1.25GHz8
dB: 1.25 -
V
V
Max
2.5GHz
10dB:
DD
DD
0.05 -
1200
1.0k
175
150
50k
50k
0.8
0.5
0.8
0.5
8.5
60
—
—
—
—
6
I/O +
I/O +
1
Unit
mV
mV
mV
mA
mA
mA
mA
dB
dB
pF
pF
Ω
Ω
Ω
Ω
Ω
V
V
V
V
V
May 7, 2008
RX-CM-ACp
V
V
V
V
Condi-
OH
OH
tions
OL
OL
—
—
—
—
—
= 0.4v
= 1.5V
= 0.4v
= 1.5V