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PDF PI2EQX3201 Data sheet ( Hoja de datos )
| Número de pieza | PI2EQX3201 | |
| Descripción | 3.2Gbps 2 Differential Channel Serial Re-driver | |
| Fabricantes | Pericom Semiconductor Corporation | |
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PI2EQX3201
3.2Gbps 2 Differential Channel Serial Re-driver
with built-in Equalization and De-emphasis
Features
• Two 3.2Gbps differential signal
• Adjustable Transmiter De-Emphasis & Amplitude
• Adjustable Receiver Equalization
• One Spread Spectrum Reference Clock Buffer Output
• 100Ω Differential CML I/O’s
• Low Power (100mW per Channel)
• Stand-by Mode – Power Down State
• VCC Operating Range: 1.8V ±0.1V
• Built in Clock Buffer
• Packaging (Pb-free & Green):
— 36-pad TQFN (ZF36)
Description
Pericom Semiconductor’s PI2EQX3201 is a low power, signal
re-driver. The device provides programmable equalization,
amplification, and de-emphasis by using 4 select bits, SEL[0:3],
to optimize performance over a variety of physical mediums by
reducing Inter-symbol interference. PI2EQX3201 supports two
100 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 flexibility with
signal integrity of the signal before the re-driver. Whereas the
integrated de-emphasis circuitry provides flexibility with signal
integrity of the signal after the re-driver.
In addition to providing signal re-conditioning, Pericom’s
PI2EQX3201 also provides power management Stand-by mode
operated by a Bus Enable pin.
Block Diagram
Pin Description
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36 35 34 33 32 31 30 29
VDD 1
28 VDD
AI+ 2
27 A0+
AI-
GND
3
4
26 A0-
25 GND
AVDD
VDD
B0+
5
6
7
GND
24 AGND
23 VDD
22 BI+
B0- 8
21 BI-
GND 9
20 GND
VDD 10
19 IREF
11 12 13 14 15 16 17 18
06-0086
1
PS8818
02/28/06
1 page  
www.DataSheet4U.com
PI2EQX3201
3.2Gbps 2 Differential Channel Serial Re-driver
with built-in Equalization and De-emphasis
AC/DC Electrical Characteristics (TA = 0 to 70˚C)
Symbol
Parameter
Conditions
Min. Typ. Max. Units
CML Transmitter Output (100Ω differential)
VDIFFP
Output Voltage Swing
Differential Swing
| VTX-D+ - VTX-D- |
VTX-C
tF, tR
ZOUT
ZTX-DIFF-DC
CTX
VTX-DIFFP-P
Common-Mode Voltage
Transition Time
Output resistance
DC Differential TX Impedance
AC Coupling Capacitor
Differential Peak-to-peak Ouput
Voltage
| VTX-D+ + VTX-D- | / 2
20% to 80% (1)
Single ended
VTX-DIFFP-P = 2 * | VTX-D+ - VTX-D- |
400
40
80
75
0.8
VCC-
0.3
50
100
900 mVp-p
150 ps
60 Ω
120 Ω
200 nF
1.8 V
LVCMOS Control Pins
VIH Input High Voltage
VIL Input Low Voltage
IIH Input High Current
IIL Input Low Current
0.65 ×
VDD
0.35 ×
VDD
250
500
V
µA
Note:
1. Using K28.7 (0011111000) pattern)
06-0086
5
PS8818
02/28/06
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet PI2EQX3201.PDF ] | |
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