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PI6C49019 Datasheet(PDF) 1 Page - Pericom Semiconductor Corporation |
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PI6C49019 Datasheet(HTML) 1 Page - Pericom Semiconductor Corporation |
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1 / 16 page  1 www.pericom.com PI6C49019 Rev. B 06/25/13 PI6C49019 Block Diagram Description The new PI6C49019 is a high integration clock generator intended for all kinds of embedded applications and networking application with PCIe interface. The device is the most cost effective way to generate multi-frequencies and multi-outputs clocks from a 25MHz crystal and reference clock. The device can generate four pairs low power 100MHz HCSL outputs for PCIe, one single-ended 25MHz and 125 MHz output, one single-ended 48MHz and 19.2 MHz output, and one single-ended 33.33 MHz or 67.33MHz output with spread spectrum. Using a serially programmable SMBus interface, the PI6C49019 incorporates spread spectrum modulation on the four 100 MHz PCI-Express outputs with -0.5% down spread and the 33.33 MHz/67.33 MHz output with down spread. Low Power Networking Clock Generator Features Î Î 3.3V supply voltage Î Î 25MHz XTAL or reference clock input Î Î Output • 4x100MHz HCSL PCIe clock outputs with integrated series termination resistors, spread spectrum capability on all 100MHz PCIe clock outputs with -0.5% down spread. • 1x single-ended 33.33MHz or 67.33MHz output with spread spectrum capability • 1x single-ended 125MHz output for Gigabit Ethernet • 1x single-ended 25MHz • 1x single-ended 48MHz • 1x single-ended 19.2MHz Î Î Packaging (Pb free and Green) : 48-pin TSSOP (A) Î Î Industrial temperature support Clock Buffer/ Crystal Oscillator PLL Clock Synthesis, Dividers, Buffers and Configuration Logic X1/ICLK X2 SCLK SDATA 25 MHz crystal or clock input GND External caps required with crystal for accurate tuning of the clock 100 MHz PCIE0 125 MHz/REF VDD PD_RESET 100 MHz PCIE1 100 MHz PCIE2 100 MHz PCIE3 VDDO2 48 MHz 19.2 MHz 25 MHz 33.33 MHz/67.33 MHz 13-0103 |
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