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PDF ( 数据手册 , 数据表 ) PI2EQX5804

零件编号 PI2EQX5804
描述 5.0Gbps 4-lane PCIe Gen2 Redriver
制造商 Peregrine Semiconductor
LOGO Peregrine Semiconductor LOGO 


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PI2EQX5804 数据手册, 描述, 功能
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PI2EQX5804
5.0Gbps 4-Lane PCI Express Gen2 Re-Driver
with Equalization & Emphasis
Features
• Up to 5.0Gbps PCI Express Gen-2 Serial Re-driver
• Supporting 8 differential channels or 4 lanes of PCIe Interface
• Pin strapped and I2C conguration controls (3.3V Tolerant)
• Adjustable receiver equalization
• Adjustable transmitter amplitude and de-emphasis
• Variable input an output termination
• 1:2 channel broadcast
• Channel loop-back
• Electrical Idle fully supported
• Receiver detect and individual output control
• Single supply voltage, 1.2V ± 0.05V
• Power down modes
• Packaging: 100-contact LFBGA, Pb-free & Green
Description
Pericom Semiconductor’s PI2EQX5804 is a low power,
PCI-express compliant signal re-driver. The device provides
programmable equalization, amplication, and de-emphasis by
using 8 select bits, to optimize performance over a variety of
physical mediums by reducing Inter-symbol interference.
PI2EQX5804 supports eight 100-Ohm Differential CML data
I/O’s between the Protocol ASIC to a switch fabric, across
a backplane, or extends the signals across other distant data
pathways on the user’s platform.
The integrated equalization circuitry provides exibility with
signal integrity of the PCI-express signal before the re-driver,
whereas the integrated de-emphasis circuitry provides exibility
with signal integrity of the signal after the re-driver.
In addition to providing signal re-conditioning, Pericom’s
PI2EQX5804 also provides power management Stand-by mode
operated by a Power Down pin.
Block Diagram
xyRx+
xyRx-
xyTx+
xyTx-
+
+
Equalizer
Input level detect
to control logic
Output
Controls
+
xyTx+
xyTx-
+
Output
Controls
A
B
Input level detect
to control logic
Equalizer
+
+
Data Lane Repeats 4 Times
xyRx+
xyRx-
SELy_x
Sy_x
Dy_x
DE_x
PD#
SDA
SCL
Control registers
& logic
Power
Management
I2C Control
Mode
LB#
RXD_x
RES_x
Ax
Pin Conguration (Top-Side View)
12
34
56 7 8
9 10
A VDD B0TX- B0TX+ VDD SCL SDA VDD B0RX+ B0RX- VDD
B A1RX+ GND GND A0RX - DE_A VDD A0TX- GND GND A1TX+
C A1RX- GND GND A0RX+ NC PD# A0TX+ GND GND A1TX-
D VDD B1TX+ B1TX- VDD D2_A NC VDD B1RX- B1RX+ VDD
E SEL0_A SEL1_A SEL2_A D0_A D1_A S0_A RXD_A S1_A SIG_A RX50_A
F RX50_B SIG_B S1_B RXD_B S0_B A1 SEL2_B LB# SEL1_B SEL0_B
G VDD A2RX- A2RX+ VDD MODE D0_B VDD A2TX+ A2TX - VDD
H B2TX+ GND GND B3TX- DE_B A0 B3RX- GND GND B2RX+
J B2TX- GND GND B3TX+ RESET# D1_B B3RX+ GND GND B2RX-
K VDD A3RX+ A3RX- VDD D2_B A4
VDD A3TX- A3TX+ VDD
08-0218
1
PS8926B
09/04/08







PI2EQX5804 pdf, 数据表
www.DataSheet4U.com
PI2EQX5804
5.0Gbps 4-Lane PCI Express Gen2 Re-Driver with
Equalization & Emphasis
Loopback Operation
Each lane of the 5804 provides a loopback mode for test purposes which is controlled by a strapping pin and
I2C register bit. The LB# pin controls all lanes together. When this pin is high normal data mode is enabled.
When LB# is low the loopback mode is enabled. The gure below diagrams this operation. Loopback is not
intended to be dynamically switched, and the normal system application is to initialize to one conguration or
the other.
The Loopback mode can also support mux/demux operation. Using I2C conguration, unused inputs and out-
puts can be disabled to minimize power and unnecessary noise.
A0 A0
B0
B0
Normal Operation
LB#=1
A0 A0
B0
B0
Loopback Mode
LB#=0
A0 A0
B0
B0
A0 A0
B0
B0
Mux Function
ODIS_AO = 1
Solid: LB_A0B0#=1
Dashed: LB_A0B0#=0
Demux Function
INDIS_BO = 1
Solid: LB=1
Dashed: LB=0
Loopback Modes
08-0218
8
PS8926B
09/04/08







PI2EQX5804 equivalent, schematic
www.DataSheet4U.com
PI2EQX5804
5.0Gbps 4-Lane PCI Express Gen2 Re-Driver with
Equalization & Emphasis
Maximum Ratings
(Above which useful life may be impaired. For user guidelines, not tested.)
Storage Temperature...................................... –65°C to +150°C
Supply Voltage to Ground Potential........ –0.5V to +2.5V
DC SIG Voltage....................................... –0.5V to VDD +0.5V
Current Output ........................................ –25mA to +25mA
Power Dissipation Continuous ............... 1W
Operating Temperature............................ 0 to +70°C
Note: Stresses greater than those listed under MAXI-
MUM RATINGS may cause permanent damage to
the device. This is a stress rating only and function al
operation of the device at these or any other condi-
tions above those indicated in the operational sections
of this specication is not implied. Exposure to abso-
lute maximum rating conditions for extended periods
may affect reliability.
AC/DC Electrical Characteristics
Power Supply Characteristics (VDD = 1.2 ±0.05V, TA = 0 TO 70°C)
Symbol
Parameter
Conditions
IDDactive
Power supply current All channels switching
- active
IDDstandby
Power supply current PD# = 0
- standby
IDD-channel
Power supply current
- per channel, Active
Min. Typ. Max. Units
800 mA
5 10. mA
50 mA
AC Performance Characteristics (VDD = 1.2 ±0.05V, TA = 0 TO 70°C)
Symbol
Parameter
Conditions
Tpd Channel latency from
input to output
Min. Typ. Max. Units
750 ps
CML Receiver Input (VDD = 1.2 ±0.05V, TA = 0 TO 70°C)
Symbol
Parameter
Conditions
ZRX-DIFF- DC Differential Input
DC Impedance
ZRX-DC
DC Input Impedance
VRX-DIFFP- Differential Input
P Peak-to-peak Voltage
VRX-CM-
ACP
AC Peak Common
Mode Input Voltage
Vth- Signal detect thresh-
old voltage
Min. Typ. Max. Units
80 100 120 Ohms
40 50 60 Ohms
0.175
1.200 V
150 mV
100 150 mV
08-0218
16
PS8926B
09/04/08










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