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PI2EQX4402 Datasheet(PDF) 1 Page - Pericom Semiconductor Corporation |
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PI2EQX4402 Datasheet(HTML) 1 Page - Pericom Semiconductor Corporation |
1 / 7 page 1 PS8778E 02/15/06 Features • Two High Speed PCI Express lanes • Supports PCI Express data rates (2.5 Gbps) on each lane • Adjustable Transmiter De-Emphasis & Amplitude • Adjustable Receiver Equalization • Two Spread Spectrum Reference Clock Buffer Outputs • 100Ω Differential CML I/O’s • Low Power (100mW per Channel) • Standby Mode – Power Down State • VDD Operating Range: 1.8V +/-0.1V • Packaging (Pb-free & Green): - 84-ball LFBGA Description Pericom Semiconductor’s PI2EQX4402 is a low power, PCI Express compliant signal re-driver. The device provides programmable equalization, amplification, and de-emphasis by using 7 select bits, SEL[0:6], to optimize performance over a variety of physical mediums by reducing Inter-symbol interference. PI2EQX4402 supports four 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 PCI Express signal before the re-driver. Whereas the integrated de-emphasis circuitry provides flexibility with signal integrity of the PCI Express signal after the re-driver. In addition to providing signal re-conditioning, Pericom’s PI2EQX4402 also provides power management Stand-by mode operated by a Bus Enable pin. Block Diagram PI2EQX4402 2.5Gbps x2 Lane Serial PCI Express Repeater/Equalizer Pin Description (Top View) ���� ������ ���������� ��� ��� ��� ��� ��� ��� �������� ��� ��������� ��������� ����� ����� ����� ����� ����� ����� ����������� ����������� ���������������������� ������ ������ ���� � � � � � � � � � �� � �� �� ������ ������ ������ ������ ������ ������ ���� ���� � ��� �� ��� ������ ������ ������ ������ ��� ���� ��� � ��� �� ��� ������ ������ ������ ������ ��� ���� ��� � ��� ��� ��� ������������� ��� ��� ��� � ��� ��� ��� ��� ��� ��� � ��� ��� ��� ��� ��� ��� � ��� ������ ��� ��� ������ ��� � ��� ������ ��� ��� ����� ����� ��� ��� ������ ��� � ��� ������ ��� ������ ������ ������ ���� ��� ������ ��� � ������ ������ ������ ������ ����� ����� ����� ����� ������ ������ |
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