QLX4270RIQT7 查看數據表（PDF） - Renesas Electronics
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QLX4270RIQT7 Datasheet PDF : 7 Pages
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DATASHEET
QLx4270-DP
DisplayPort Lane Extender
The QLx4270-DP is a settable quad receive-side
equalizer with extended functionality for DisplayPort
applications. The QLx4270-DP compensates for the
frequency dependent attenuation of copper cables,
allowing operation on ultra-thin 40AWG cable.
The small form factor, highly-integrated quad design is
ideal for high-density data transmission applications
including active copper cable assemblies.
Operating on a single 1.2V power supply, the
QLx4270-DP enables per channel throughputs of up to
2.7Gb/s. The QLx4270-DP uses current mode logic
(CML) inputs/outputs and is packaged in a 4mmx7mm
46 lead QFN.
FN6972
Rev 2.00
March 3, 2010
Features
• Supports data rates up to 2.7Gb/s per lane
• Low power (78mW per channel)
• Low latency (<500ps)
• Four equalizers in a 4mmx7mm QFN package for
straight route-through architecture and simplified
routing
• Each equalizer boost is independently pin
selectable and programmable
• 1.2V supply voltage
Applications
• DisplayPort (VESA DisplayPort Standard v1.1a)
• DisplayPort adaptors and repeaters
Benefits
• Thinner gauge cable
• Extends cable reach greater than 5x
• Improved BER
Typical Application Circuit
Tx1[P,N]
Tx2[P,N]
Tx3[P,N]
Tx4[P,N]
4-Pair Differential 100
Twin-Axial Cable
Twin Ax
< 5m, 40AWG
1.2V
10nF
6.04k
100pF
VDD EP CP BGREF
0.1µF
IN1[P,N] OUT1[P,N]
0.1µF
0.1µF
0.1µF
IN2[P,N] OUT2[P,N]
QLx4270-DP
0.1µF
IN3[P,N]
0.1µF
IN4[P,N]
0.1µF
OUT3[P,N]
0.1µF
OUT4[P,N]
GND
Rx1[P,N]
Rx2[P,N]
Rx3[P,N]
Rx4[P,N]
Connector Module
FN6972 Rev 2.00
March 3, 2010
Page 1 of 7
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