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AD9515/PCBZ 数据表(PDF) 4 Page - Analog Devices |
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AD9515/PCBZ 数据表(HTML) 4 Page - Analog Devices |
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4 / 28 page  AD9515 Data Sheet Rev. B | Page 4 of 28 TIMING CHARACTERISTICS CLK input slew rate = 1 V/ns or greater. Table 3. Parameter Min Typ Max Unit Test Conditions/Comments LVPECL Termination = 50 Ω to VS − 2 V Output Rise Time, tRP 60 100 ps 20% to 80%, measured differentially Output Fall Time, tFP 60 100 ps 80% to 20%, measured differentially PROPAGATION DELAY, tPECL, CLK-TO-LVPECL OUT Divide = 1 355 480 635 ps Divide = 2 − 32 395 530 710 ps Variation with Temperature 0.5 ps/°C OUTPUT SKEW, LVPECL OUTPUT LVPECL OUT Across Multiple Parts, tSKP_AB31 125 ps LVDS Termination = 100 Ω differential Output Rise Time, tRL 200 350 ps 20% to 80%, measured differentially Output Fall Time, tFL 210 350 ps 80% to 20%, measured differentially PROPAGATION DELAY, tLVDS, CLK-TO-LVDS OUT Delay off on OUT4 OUT3 to OUT4 Divide = 1 1.00 1.25 1.55 ns Divide = 2 − 32 1.05 1.30 1.60 ns Variation with Temperature 0.9 ps/°C OUTPUT SKEW, LVDS OUTPUT Delay off on OUT4 LVDS OUT Across Multiple Parts, tSKV_AB1 230 ps CMOS B outputs are inverted; termination = open Output Rise Time, tRC 650 865 ps 20% to 80%; CLOAD = 3 pF Output Fall Time, tFC 650 990 ps 80% to 20%; CLOAD = 3 pF PROPAGATION DELAY, tCMOS, CLK-TO-CMOS OUT Delay off on OUT4 Divide = 1 1.10 1.45 1.75 ns Divide = 2 − 32 1.15 1.50 1.80 ns Variation with Temperature 1 ps/°C OUTPUT SKEW, CMOS OUTPUT Delay off on OUT4 CMOS OUT Across Multiple Parts, tSKC_AB1 300 ps LVPECL-TO-LVDS OUT Everything the same; different logic type Output Delay, tSKP_V 700 970 1150 ps LVPECL to LVDS on same part LVPECL-TO-CMOS OUT Everything the same; different logic type Output Delay, tSKP_C 0.88 1.14 1.43 ns LVPECL to CMOS on same part DELAY ADJUST (OUT2; LVDS AND CMOS) S0 = 1/3 Zero Scale Delay Time2 0.34 ns Zero Scale Variation with Temperature 0.20 ps/°C Full Scale Time Delay2 1.7 ns Full Scale Variation with Temperature −0.38 ps/°C S0 = 2/3 Zero Scale Delay Time2 0.45 ns Zero Scale Variation with Temperature 0.31 ps/°C Full Scale Time Delay2 5.9 ns Full Scale Variation with Temperature −1.3 ps/°C |
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