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IDTCSP2510DPGI Datasheet(PDF) 3 Page - Integrated Device Technology |
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IDTCSP2510DPGI Datasheet(HTML) 3 Page - Integrated Device Technology |
3 / 9 page 3 0 °CTO85°CTEMPERATURERANGE IDTCSP2510D 3.3V PHASE-LOCK LOOP CLOCK DRIVER STATIC FUNCTION TABLE (AVDD=0V) DYNAMIC FUNCTION TABLE (AVDD=3.3V) PIN DESCRIPTION Terminal Name No. Type Description CLK 24 I Clockinput. CLKprovidestheclocksignaltobedistributedbytheCSP2510Dclockdriver. CLKisusedtoprovidethereferencesignal totheintegratedPLLthatgeneratestheclockoutputsignals.CLKmusthaveafixedfrequencyandfixedphaseforthePLLtoobtainphase lock. OncethecircuitispoweredupandavalidCLKsignalisapplied,astabilizationtimeisrequiredforthePLLtophaselockthefeedback signaltoitsreferencesignal. FBIN 13 I Feedbackinput. FBINprovidesthefeedbacksignaltotheinternalPLL. FBINmustbehard-wiredtoFBOUTtocompletethePLL. The integrated PLL synchronizes CLK and FBIN so that there is nominally zero phase error between CLK and FBIN. G 11 I Outputbankenable. GistheoutputenableforoutputsY(0:9). WhenGislow,outputsY(0:9)aredisabledtoalogic-lowstate. When G is high, all outputs Y(0:9) are enabled and switch at the same frequency as CLK. FBOUT 12 O Feedback output. FBOUT is dedicated for external feedback. It switches at the same frequency as CLK. When externally wired to FBIN, FBOUT completes the feedback loop of the PLL. Y (0:9) 3, 4, 5, 8, 9, O Clockoutputs. Theseoutputsprovidelow-skewcopiesofCLK. OutputbankY(0:9)isenabledviatheGinput. Theseoutputscanbe 15, 16, 17, disabledtoalogic-lowstatebyde-assertingtheGcontrolinput. 20,21 AVDD 23 Power Analog power supply. AVDD provides the power reference for the analog circuitry. In addition, AVDD can be used to bypass the PLL for test purposes. When AVDD is strapped to ground, PLL is bypassed and CLK is buffered directly to the device outputs. AGND 1 Ground Analog ground. AGND provides the ground reference for the analog circuitry. VDD 2, 10, 14, 22 Power Power supply GND 6, 7, 18, 19 Ground Ground Inputs Outputs G CLK Y (0:9) FBOUT LL L L LH L H HH H H HL L L H running running running Inputs Outputs G CLK Y (0:9) FBOUT XL L L L running L runningin phase with CLK LH L H H running runningin runningin phase with CLK phase with CLK HH H H |
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