参数资料
型号: 89HPES12NT3ZABCG
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 总线控制器
英文描述: 12-lane 3-Port Non-Transparent PCI Express㈢ Switch
中文描述: PCI BUS CONTROLLER, PBGA324
封装: 19 X 19 MM, 1 MM PITCH, GREEN, BGA-324
文件页数: 15/29页
文件大小: 263K
代理商: 89HPES12NT3ZABCG
15 of 29
April 11, 2007
IDT 89HPES12NT3 Data Sheet
DC Elec tric al Charac teristic s
Values based on systems running at recommended supply voltages, as shown in Table 12.
Note:
See Table 7, Pin Characteristics, for a complete I/O listing.
I/O Type
Parameter
Desc ription
Min
1
Typ
1
Max
1
Unit
Conditions
Serial Link
PCIe Transmit
V
TX-DIFFp-p
Differential peak-to-peak output voltage
800
1200
mV
V
TX-DE-RATIO
De-emphasized differential output voltage
-3
-4
dB
V
TX-DC-CM
DC Common mode voltage
-0.1
1
3.7
V
V
TX-CM-ACP
RMS AC peak common mode output volt-
age
20
mV
V
TX-CM-DC-
active-idle-delta
Abs delta of DC common mode voltage
between L0 and idle
100
mV
V
TX-CM-DC-line-
delta
Abs delta of DC common mode voltage
between D+ and D-
25
mV
V
TX-Idle-DiffP
Electrical idle diff peak output
20
mV
V
TX-RCV-Detect
Voltage change during receiver detection
600
mV
RL
TX-DIFF
Transmtter Differential Return loss
12
dB
RL
TX-CM
Transmtter Common Mode Return loss
6
dB
Z
TX-DEFF-DC
DC Differential TX impedance
80
100
120
Ω
Z
OSE
Single ended TX Impedance
40
50
60
Ω
Transmtter Eye
Diagram
TX Eye Height (De-emphasized bits)
505
650
mV
Transmtter Eye
Diagram
TX Eye Height (Transition bits)
800
950
mV
PCIe Receive
V
RX-DIFFp-p
Differential input voltage (peak-to-peak)
175
1200
mV
V
RX-CM-AC
Receiver common-mode voltage for AC
coupling
150
mV
RL
RX-DIFF
Receiver Differential Return Loss
15
dB
RL
RX-CM
Receiver Common Mode Return Loss
6
dB
Z
RX-DIFF-DC
Differential input impedance (DC)
80
100
120
Ω
Z
RX-COMM-DC
Single-ended input impedance
40
50
60
Ω
Z
RX-COMM-HIGH-
Z-DC
Powered down input common mode
impedance (DC)
200k
350k
Ω
V
RX-IDLE-DET-
DIFFp-p
Electrical idle detect threshold
65
175
mV
PCIe REFCLK
C
IN
Input Capacitance
1.5
pF
Table 15 DC Electrical Characteristics (Part 1 of 2)
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