PDF PI6C49006 Data sheet ( Hoja de datos )

Número de pieza	PI6C49006
Descripción	Embedded Clock Generator
Fabricantes	Pericom Semiconductor
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No Preview Available ! PI6C49006 Embedded Clock Generator Features ÎÎ3.3V supply voltage ÎÎ25MHz XTAL or reference clock input ÎÎOutput àà 4 x PCIe 2.0 100MHz/125MHz clock with spread spectrum support àà (2+2) x selectable 33/50/66/100/133MHz LVCMOS clock with ±10% frequency margin àà 1 x 125MHz LVCMOS clock àà 2 x 25MHz LVCMOS clock àà 1 x 25MHz Differential clock (HCSL type) ÎÎ Packaging (Pb free and Green) àà 48-pin TSSOP (A) Description The new PI6C49006 is a high performance clock generator intended for all kinds of embedded applications, which include Wireless AP & Femtocell BTS, Multi Function Printer, and other PCIe/Networking applications. It is the most cost effective way to generate a high quality, high frequency clock output from a crystal and reference clock. The device can generate 100/125MHz HCSL outputs for PCIe, selectable 33/50/66/100/133 LVMOS clock for network processor and DSP and 25MHz Ethernet clock combination. Block Diagram X1/ICL K X2 FS0 FS1 FS2 FS3 FS4 SCLK SDATA RESET# Crystal Oscillator 4 PLL Clock Synthesis & Spread Spectrum 2 & Control Circuit 2 I2C Control Circuit 2 PCIE(0~3) OutB_(0~1) OutB_(2~3) 125MHz_Out 0 25MHz_Out (1~2) 25MHz_Out Diff 12-0212 1 www.pericom.com P-0.1 07/02/12 1 page OutB_1 Frequency Margining Table FM3 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 FM2 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 FM1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 FM0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 OutB_(2~3) nominal nominal + 1% nominal + 2% nominal + 3% nominal + 4% nominal + 5% nominal + 6% nominal + 8% nominal + 10% nominal - 1% nominal - 2% nominal - 3% nominal - 4% nominal - 6% nominal - 8% nominal - 10% PI6C49006 Embedded Clock Generator All trademarks are property of their respective owners. 12-0212 5 www.pericom.com P-0.1 07/02/12 5 Page Electrical Characteristics - 100MHz Differential HCSL Outputs Unless otherwise specified, VDD=3.3V±5%, Ambient Temperature 0°C to +70°C Parameter Symbol Conditions Min Output Frequency Cycle-to-Cycle Jitter Peak-to-Peak Phase Jitter PCIe 2.0 RMS Phase Jitter Spread Modulation Percentage TCC/Jitter JRMS2.0 Using PCIe jitter measure- ment method PCIe 2.0 Test Method @ 100MHz Output Spread Modulation Frequency Duty Cycle SE Rise/Fall Time Measured from 0.175V to 0.525V TDC Tor , Tof Output Skew High-Level Output Voltage Low-Level Output Voltage IOH @ 6*IREF Absolute Crossing Point Voltage Variation of VCROSS over all rising clock edges Average Clock Period Accuracy Absolute Period (including jitter and spread spectrum) TOSKEW VOH VOL IOH VCROSS VCROSS Delta TPERIOD AVG TPERIOD ABS 1. RL=50-Ohm with CL = 2pF 2. Single-ended waveform VT = 50%(measurement threshold) Note 2, (RS=33-Ohm, RT=50-Ohm) Note 2, 5, 6 Note 2, 5, 8 Note 3, 9, 10 Note 3, 7 45 175 0.65 –0.20 –13 0.25 –300 9.847 PI6C49006 Embedded Clock Generator Typ -0.5 32 50 0.71 0 –14.2 Max 100 150 86 3.1 0 55 700 200 0.95 0.05 –19 0.55 140 2800 10.203 Units MHz ps ps % kHz % ps ps V mA V mV ppm ns All trademarks are property of their respective owners. 12-0212 11 www.pericom.com P-0.1 07/02/12 11 Page

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PDF Descargar	[ Datasheet PI6C49006.PDF ]

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