参数资料
型号: 89HPES16T4G2
厂商: Integrated Device Technology, Inc.
英文描述: 16-Lane 4-Port Gen2 PCI Express Switch
中文描述: 16巷4端口第二代的PCI Express开关
文件页数: 14/32页
文件大小: 305K
代理商: 89HPES16T4G2
14 of 32
September 4, 2007
IDT 89HPES16T4G2 Data Sheet
A
Rec ommended Operating S upply Voltages
Power-Up/Power-Down S equenc e
During power supply ramp-up, V
DD
CORE must remain at least 1.0V below V
DD
I/O at all times. There are no other power-up sequence require-
ments for the various operating supply voltages.
The power-down sequence can occur in any order.
Rec ommended Operating Temperature
S ymbol
Parameter
Minimum
Typic al
Maximum
Unit
V
DD
CORE
Internal logic supply
0.9
1.0
1.1
V
V
DD
I/O
V
DD
PEA
1
V
DD
PEHA
2
I/O supply except for SerDes LVPECL/CML
3.135
3.3
3.465
V
1.
V
DD
PEA should have no more than 25mV
peak-peak
AC power supply noise superimposed on the 1.0V nomnal DC value.
2.
V
DD
PEHA should have no more than 50mV
peak-peak
AC power supply noise superimposed on the 2.5V nomnal DC value.
PCI Express Analog Power
0.95
1.0
1.1
V
PCI Express Analog High Power
2.25
2.5
2.75
V
V
DD
PETA
PCI Express Transmtter Analog Voltage
0.95
1.0
1.1
V
V
SS
Common ground
0
0
0
V
Table 13 PES16T4G2 Operating Voltages
Grade
Temperature
Commercial
0
°
C to +70
°
C Ambient
Table 14 PES16T4G2 Operating Temperatures
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