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9ZXL1231AKLFT Folha de dados(PDF) 9 Page - Integrated Device Technology |
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9ZXL1231AKLFT Folha de dados(HTML) 9 Page - Integrated Device Technology |
9 / 18 page REVISION J 05/25/16 9 12-OUTPUT DB1200ZL 9ZXL1231 DATASHEET Electrical Characteristics–Skew and Differential Jitter Parameters TAMB = TCOM or TIND, unless noted., Supply Voltages per normal operation conditions, See Test Loads for Loading Conditions PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS NOTES CLK_IN, DIF[x:0] tSPO_PLL Input-to-Output Skew in PLL mode @ nominal temperature and voltage -100 -60 100 ps 1,2,4,5,8 CLK_IN, DIF[x:0] tPD_BYP Input-to-Output Skew in Bypass mode @ nominal temperature and voltage 2.5 3.6 4.5 ns 1,2,3,5,8 CLK_IN, DIF[x:0] tDSPO_PLL Input-to-Output Skew Varation in PLL mode across voltage and temperature -50 0 50 ps 1,2,3,5,8 Input-to-Output Skew Varation in Bypass mode TAMB = TCOM -250 250 ps 1,2,3,5,8 Input-to-Output Skew Varation in Bypass mode TAMB = TIND -350 350 ps 1,2,3,5,8 Output-to-Output Skew across all outputs @100MHz, TAMB = TCOM 30 50 ps 1,2,3,8 Output-to-Output Skew across all outputs @ 100MHz, TAMB = TIND 30 65 ps 1,2,3,8 PLL Jitter Peaking jpeak-hibw LOBW#_BYPASS_HIBW = 1 0 1.2 2.5 dB 7,8 PLL Jitter Peaking jpeak-lobw LOBW#_BYPASS_HIBW = 0 0 0.8 2 dB 7,8 PLL Bandwidth pllHIBW LOBW#_BYPASS_HIBW = 1 234MHz 8,9 PLL Bandwidth pllLOBW LOBW#_BYPASS_HIBW = 0 0.7 1.1 1.4 MHz 8,9 Duty Cycle tDC Measured differentially, PLL Mode 45 50 55 % 1 Duty Cycle Distortion tDCD Measured differentially, Bypass Mode @100MHz -1.5 -0.6 0 % 1,10 PLL mode 34 50 ps 1,11 Additive Jitter in Bypass Mode 1 5 ps 1,11 Notes for preceding table: 6.t is the period of the input clock 7 Measured as maximum pass band gain. At frequencies within the loop BW, highest point of magnification is called PLL jitter peaking. 8. Guaranteed by design and characterization, not 100% tested in production. 9 Measured at 3 db down or half power point. 10 Duty cycle distortion is the difference in duty cycle between the output and the input clock when the device is operated in bypass mod 11 Measured from differential waveform 3 All Bypass Mode Input-to-Output specs refer to the timing between an input edge and the specific output edge created by it. 4 This parameter is deterministic for a given device DIF{x:0] tSKEW_ALL tDSPO_BYP CLK_IN, DIF[x:0] 5 Measured with scope averaging on to find mean value. Jitter, Cycle to cycle tjcyc-cyc 1 Measured into fixed 2 pF load cap. Input to output skew is measured at the first output edge following the corresponding input. 2 Measured from differential cross-point to differential cross-point. This parameter can be tuned with external feedback path, if present. |
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