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87002-02 Datasheet(PDF) 7 Page - Integrated Device Technology |
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87002-02 Datasheet(HTML) 7 Page - Integrated Device Technology |
7 / 16 page ![]() 1:2, DIFFERENTIAL-TO-LVCMOS/LVTTL ZERO DELAY CLOCK GENERATOR 7 Rev C 7/13/15 87002-02 DATA SHEET AC Electrical Characteristics Table 5A. AC Characteristics, VDD = VDDA = VDDO = 3.3V ± 5%, TA = 0°C to 70°C NOTE: Electrical parameters are guaranteed over the specified ambient operating temperature range, which is established when the device is mounted in a test socket with maintained transverse airflow greater than 500 lfpm. The device will meet specifications after thermal equilibrium has been reached under these conditions. NOTE 1: Measured from the differential input crossing point to the output at VDDO/2. NOTE 2: Defined as the time difference between the input reference clock and the average feedback input signal, when the PLL is locked and the input reference frequency is stable. NOTE 3: Defined as skew between outputs at the same supply voltage and with equal load conditions. Measured at VDDO/2. NOTE 4: This parameter is defined in accordance with JEDEC Standard 65. Table 5B. AC Characteristics, VDD = VDDA = VDDO = 2.5V ± 5%, TA = 0°C to 70°C NOTE: Electrical parameters are guaranteed over the specified ambient operating temperature range, which is established when the device is mounted in a test socket with maintained transverse airflow greater than 500 lfpm. The device will meet specifications after thermal equilibrium has been reached under these conditions. NOTE 1: Measured from the differential input crossing point to the output at VDDO/2. NOTE 2: Defined as the time difference between the input reference clock and the average feedback input signal, when the PLL is locked and the input reference frequency is stable. NOTE 3: Defined as skew between outputs at the same supply voltage and with equal load conditions. Measured at VDDO/2. NOTE 4: This parameter is defined in accordance with JEDEC Standard 65. Symbol Parameter Test Conditions Minimum Typical Maximum Units fMAX Output Frequency 15.625 250 MHz tPD Propagation Delay; NOTE 1 PLL_SEL = 0V, f 250MHz, Qx ÷ 2 4.8 5.8 ns t(Ø) Static Phase Offset; NOTE 2, 4 PLL_SEL = 3.3V, fREF 167MHz, Qx ÷ 1 -160 -10 140 ps tsk(o) Output Skew; NOTE 3, 4 PLL_SEL = 0V 40 ps tjit(cc) Cycle-to-Cycle Jitter; NOTE 4 fOUT > 40MHz 45 ps tL PLL Lock Time 1ms tR / tF Output Rise/Fall Time 20% to 80% 400 800 ps odc Output Duty Cycle 40 60 % Symbol Parameter Test Conditions Minimum Typical Maximum Units fMAX Output Frequency 15.625 250 MHz tPD Propagation Delay; NOTE 1 PLL_SEL = 0V, f 250MHz, Qx ÷ 2 4.9 6.7 ns t(Ø) Static Phase Offset; NOTE 2, 4 PLL_SEL = 2.5V, fREF 167MHz, Qx ÷ 1 -240 -65 110 ps tsk(o) Output Skew; NOTE 3, 4 PLL_SEL = 0V 35 ps tjit(cc) Cycle-to-Cycle Jitter; NOTE 4 fOUT > 40MHz 45 ps tL PLL Lock Time 1ms tR / tF Output Rise/Fall Time 20% to 80% 400 700 ps odc Output Duty Cycle 44 56 % |
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