PDF PCK2022R Data sheet ( Hoja de datos )

Número de pieza	PCK2022R
Descripción	CK00 100/133 MHz spread spectrum differential system clock generator
Fabricantes	NXP Semiconductors
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No Preview Available ! INTEGRATED CIRCUITS PCK2022R CK00 (100/133 MHz) spread spectrum differential system clock generator Product specification Supersedes data of 2000 Aug 08 2000 Nov 13 Philips Semiconductors 1 page Philips Semiconductors CK00 (100/133 MHz) spread spectrum differential system clock generator Product specification PCK2022R Table 1. Host swing select functions MULTSEL0 MULTSEL1 BOARD IMPEDANCE 0 0 60 Ω 0 0 50 Ω 0 1 60 Ω 0 1 50 Ω 1 0 60 Ω 1 0 50 Ω 1 1 60 Ω 1 1 50 Ω 0 0 30 Ω 0 0 25 Ω 0 1 30 Ω 0 1 25 Ω 1 0 30 Ω 1 0 25 Ω 1 1 30 Ω 1 1 25 Ω NOTE: The outputs are optimized for the configurations shown shaded. IREF RREF = 475 1% IREF = 2.32 mA RREF = 475 1% IREF = 2.32 mA RREF = 475 1% IREF = 2.32 mA RREF = 475 1% IREF = 2.32 mA RREF = 475 1% IREF = 2.32 mA RREF = 475 1% IREF = 2.32 mA RREF = 475 1% IREF = 2.32 mA RREF = 475 1% IREF = 2.32 mA RREF = 221 1% IREF = 5 mA RREF = 221 1% IREF = 5 mA RREF = 221 1% IREF = 5 mA RREF = 221 1% IREF = 5 mA RREF = 221 1% IREF = 5 mA RREF = 221 1% IREF = 5 mA RREF = 221 1% IREF = 5 mA RREF = 221 1% IREF = 5 mA IOH IOH = 5IREF IOH = 5IREF IOH = 6IREF IOH = 6IREF IOH = 4IREF IOH = 4IREF IOH = 7IREF IOH = 7IREF IOH = 5IREF IOH = 5IREF IOH = 6IREF IOH = 6IREF IOH = 4IREF IOH = 4IREF IOH = 7IREF IOH = 7IREF VOH @ IREF = 2.32 mA 0.71 V 0.59 V 0.85 V 0.71 V 0.56 V 0.47 V 0.99 V 0.82 V 0.75 V 0.62 V 0.90 V 0.75 V 0.60 V 0.50 V 1.05 V 0.84 V IOUT IOUT CONDITIONS VDD = 3.3 V VDD = 3.3 V ±5% CONFIGURATION All combinations; see Table 1 above All combinations; see Table 1 above LOAD Nominal test load for given configuration Nominal test load for given configuration MIN. –7% of IOH see Table 1 above –12% of IOH see Table 1 above MAX. +7% of IOH see Table 1 above +12% of IOH see Table 1 above POWER-DOWN MODE PWRDWN HCLK/HCLKB IOCLK 48MHz Asserts LOW 0 = Active Host = 2*IREF Host_bar = undriven LOW LOW NOTE: The differential outputs should have a voltage forced across them when power-down is asserted. REFCLK LOW SPREAD SPECTRUM FUNCTION SPREAD # 1 0 FUNCTION Host/IOCLK No Spread Host/IOCLK Down spread –0.5% 48 MHz PLL REFCLK No Spread No Spread 2000 Nov 13 5 5 Page Philips Semiconductors CK00 (100/133 MHz) spread spectrum differential system clock generator PWRDWN HOST CLK (INTERNAL) PCICLK (INTERNAL) PWRDWN HOST CLK (EXTERNAL) PCICLK (EXTERNAL) OSC & VCO USB (48 MHz) ÁÁÁÁ Figure 5. Power management CRYSTAL 14.318 MHz VDD HOST DUT HOST_BAR CL RS RS = 33.2 Ω RS CL RP = 50 Ω RP = 50 Ω Figure 6. HOST CLOCK measurements SW00671 3.3V CLOCKING INTERFACE 2.4 V 1.5 V 0.4 V tPKP DUTY CYCLE tPKH tRISE tFALL tPKL Figure 7. 3.3 V clock waveforms SW00659 Product specification PCK2022R SW00669 2000 Nov 13 11 11 Page

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