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8V34S208 Datenblatt(PDF) 6 Page - Integrated Device Technology |
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8V34S208 Datenblatt(HTML) 6 Page - Integrated Device Technology |
6 / 21 page 1:8 LVDS FANOUT BUFFER WITH 2-INPUT MULTIPLEXER FOR 1PPS APPLICATIONS 6 REVISION A 06/26/14 8V34S208 DATA SHEET AC Electrical Characteristics Table 4G. LVDS Differential DC Characteristics, VDD = 2.5V ± 5%, TA = -40°C to 85°C Symbol Parameter Test Conditions Minimum Typical Maximum Units VOD Differential Output Voltage 247 373 454 mV V OD VOD Magnitude Change 50 mV VOS Offset Voltage 1.05 1.2 1.375 V V OS VOS Magnitude Change 50 mV Table 5. AC Characteristics, VDD =VDDO_A =VDDO_B = 3.3V ±5% or 2.5V ±5%, TA = -40°C to 85°C 1 Symbol Parameter Test Conditions Minimum Typical Maximum Units fOUT Output Frequency 250 MHz V/t Input Edge Rate2 CLKA, CLKB MODE = 0 1 V/ns tPD Propagation Delay3 CLKA, CLKB to Q[0-3], nQ[0-3] 200 325 434 ps Propagation Delay4 CLKA, CLKB to QA, QB 970 1.20 1.62 ns tjit(Ø) Buffer Additive Phase Jitter, RMS; Refer to Additive Phase Jitter Section Q[0-3], nQ[0-3] fOUT = 156.25MHz, Integration Range: 12kHz – 20MHz, MODE 0 118 170 fs tsk(pp) Part-to-Part Skew56 Q[0-3], nQ[0-3] 250 ps tsk(o) Output Skew6 Q[0-3], nQ[0-3]7 65 ps QA-QB8 65 ps All outputs 1.3 ns tsk(p) Pulse Skew9, 10 Q[0-3], nQ[0-3] 11 62 ps QA, QB 75 140 ps tR /tF Output Rise/ Fall Time QA, QB; 20% to 80% 200 350 ps Q[0-3], nQ[0-3] 20% to 80% 125 250 ps MUXISOLATION MUX Isolation 11 fOUT = 100.00MHz, VPP = 400mV 53 dB NOTE 1: 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 2: In MODE = 1 sinusoidal input signals are permitted and no minimum input edge rate specification applies. NOTE 3: Measured from the differential input crosspoint to the differential output crosspoint using an input with 50% duty cycle. NOTE 4: Measured from the differential input crosspoint to the output at VDDO_X/2 using an input with 50% duty cycle. NOTE 5: Defined as skew between outputs on different devices operating at the same supply voltage, same frequency, same temperature and with equal load conditions. Using the same type of inputs on each device, the outputs are measured at the differential crosspoints. NOTE 6: This parameter is defined in accordance with JEDEC Standard 65. NOTE 7: Defined as skew between outputs at the same supply voltage and with equal load conditions. Measured at the differential crosspoints. NOTE 8: Defined as skew between outputs at the same supply voltage and with equal load conditions. Measured at VDDO_X/2 of the output. NOTE 9: Output pulse skew tSK(P) is the absolute difference of the propagation delay times: | tPLH –tPHL |. NOTE 10: odc = input duty cycle ± (tSK(p)/2 * 1/Output Period) * 100 NOTE 11: Qx, nQx output measured differentially. See Parameter Measurement Information for MUX Isolation diagram. |
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