pi2eqx3431 Pericom Semiconductor Corporation, pi2eqx3431 Datasheet - Page 2

• Manufacturer Part Number: pi2eqx3431
• Description: 3.2gbps 2-channel Sata2/sas/xaui Redriver
• Manufacturer: Pericom Semiconductor Corporation

Pin Description
Equalizer Selection
Output CML Buffer
x_EQ
0
1
Center Pad
3,6,15,18
Pin #
08-0094
19
20
17
16
12
10
14
13
11
1
2
4
5
9
7
8
CE
0
1
1
Pin Name
R_OUT+
F_OUT+
R_OUT-
F_OUT-
R_SD
R_IN+
F_IN+
R_EQ
R_IN-
F_EQ
F_IN-
F_SD
R_ES
F_ES
GND
VDD
NC
CE
Compliance Channel
[0:2.5dB] @ 1.6 GHz
[4.5:6.5dB] @ 1.6 GHz
Output
Output
Output
Output
Type
Power
Input
Input
Input
Input
GND
Input
Input
Input
-
x_ES
X
0
1
Chip Enable "high" provides normal operation. "Low" for power down mode.
With internal 50K-Ohm pull-up resistor.
Selection pin for equalizer of Fin. "Low" means 2.5dB, "high" means 6.5dB.
With internal 50K-Ohm pull-up resistor.
F-Channel external SATA. When logic 1, operates to the SATA i/m standard.
When low, operates to SATAx/SAS. With internal 50K-ohm pull-up resistor.
Channel Fin Signal detector output. Provides "high" when a signal is detected.
CML output channel F with internal 50-Ohm pull up.
CML input channel F with internal 50-Ohm pull down.
Supply ground.
Do not connect
Selection pin for equalizer of R_IN. "Low" means 2.5dB, "high" means 6.5dB.
With internal 50K-Ohm pull-up resistor.
CML input channel R with internal 50-Ohm pull down.
Signal detector for Channel R_IN. Provides "high" when signal is detected.
Positive CML output channel R with internal 50-Ohm pull up.
R-channel External SATA "High" operates to the SATA i/m standard. "Low"
means SATAx/SAS standard. With internal 50K-Ohm pull-up resistor.
1.8V supply Voltage.
2
Common mode voltage
VDD-0.6V
VDD-0.3V
VDD
3.2 Gbps, 1-Port, SATA2 /SAS Re-Driver
Description
Output Operation
1200mV Swing
600mV Swing
VDD
PI2EQX3431
PS8960A
04/30/08