参数资料
型号: 89HPES12T3G2ZABCG
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 总线控制器
英文描述: 12-Lane 3-Port Gen2 PCI Express Switch
中文描述: PCI BUS CONTROLLER, PBGA324
封装: 19 X 19 MM, 1 MM PITCH, GREEN, CABGA-324
文件页数: 16/31页
文件大小: 291K
代理商: 89HPES12T3G2ZABCG
16 of 31
September 4, 2007
IDT 89HPES12T3G2 Data Sheet
A
DC Elec tric al Charac teristic s
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
Desc ription
Gen 1
Gen 2
Unit
Condi-
tions
Min
1
Typ
1
Max
1
Min
1
Typ
1
Max
1
Serial Link
PCIe Transmit
V
TX-DIFFp-p
Differential peak-to-peak output
voltage
800
1200
800
1200
mV
V
TX-DIFFp-p-LOW
Low-Drive Differential Peak to
Peak Output Voltage
400
1200
400
1200
mV
V
TX-DE-RATIO-
3.5dB
De-emphasized differential out-
put voltage
-3
-4
-3.0
-3.5
-4.0
dB
V
TX-DE-RATIO-
6.0dB
De-emphasized differential out-
put voltage
NA
-5.5
-6.0
-6.5
dB
V
TX-DC-CM
DC Common mode voltage
0
3.6
0
3.6
V
V
TX-CM-ACP
RMS AC peak common mode
output voltage
20
mV
V
TX-CM-DC-
active-idle-delta
Abs delta of DC common mode
voltage between L0 and idle
100
100
mV
V
TX-CM-DC-line-
delta
Abs delta of DC common mode
voltage between D+ and D-
25
25
mV
V
TX-Idle-DiffP
Electrical idle diff peak output
20
20
mV
V
TX-RCV-Detect
Voltage change during receiver
detection
600
600
mV
RL
TX-DIFF
Transmtter Differential Return
loss
10
10dB:
0.05 -
1.25GHz
8dB:
1.25 -
2.5GHz
dB
RL
TX-CM
Transmtter Common Mode
Return loss
6
6
dB
Z
TX-DIFF-DC
DC Differential TX impedance
80
100
120
120
Ω
VTX-CM-ACpp
Peak-Peak AC Common
NA
100
mV
V
TX-DC-CM
Transmt Driver DC Common
Mode Voltage
0
3.6
0
3.6
V
V
TX-RCV-DETECT
The amount of voltage change
allowed during Receiver Detec-
tion
600
600
mV
I
TX-SHORT
Transmtter Short Circuit Current
Limt
0
90
90
mA
Table 17 DC Electrical Characteristics (Part 1 of 3)
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