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CDK1307BILP40 Datasheet(PDF) 10 Page - Cadeka Microcircuits LLC. |
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CDK1307BILP40 Datasheet(HTML) 10 Page - Cadeka Microcircuits LLC. |
10 / 15 page ©2008 CADEKA Microcircuits LLC www.cadeka.com 10 ADVANCE Data Sheet Digital and Timing Electrical Characteristics (AVDD = 1.8V, DVDD = 1.8V, DVDDCLK = 1.8V, OVDD = 2.5V, 20/40/65/80MSPS clock, 50% clock duty cycle, -1 dBFS input signal, 5pF capacitive load, unless otherwise noted) Symbol Parameter Conditions Min Typ Max Units Clock Inputs Duty Cycle 20 80 % high Compliance CMOS, LVDS, LVPECL, Sine Wave Input Range Differential input swing -200 200 mVpp Differential input swing, sine wave clock input -800 800 mVpp Input Common Mode Voltage Keep voltages within ground and voltage of OVDD 0.3 VOVDD -0.3 V Input Capacitance Differential 1.7 pF Timing TPD Start Up Time from Power Down From Power Down Mode to Active Mode References has reached 99% of final value 900 clk cycles TSLP Start Up Time from Sleep From Sleep Mode to Active Mode 0.5 μs TOVR Out Of Range Recovery Time 1 clk cycles TAP Aperture Delay 0.8 ns εRMS Aperture Jitter <0.5 ps TLAT Pipeline Delay 12 clk cycles TD Output Delay 5pF load on output bits (see timing diagram) 4 ns 10pF load on output bits (see timing diagram) TBD ns TDC Output Delay Relative to CLK_EXT See timing diagram 2 ns Logic Inputs VIH High Level Input Voltage VOVDD ≥ 3.0V 2 V VOVDD = 1.7V – 3.0V 0.8 • VOVDD V VIL Low Level Input Voltage VOVDD ≥ 3.0V 0 0.8 V VOVDD = 1.7V – 3.0V 0 0.2 • VOVDD V IIH High Level Input Leakage Current -10 10 μA IIL Low Level Input Leakage Current -10 10 μA CI Input Capacitance 3 pF Logic Outputs VOH High Level Output Voltage -0.1 +VOVDD V VOL Low Level Output Voltage 0.1 V CL Max Capacitive Load Post-driver supply voltage equal to pre-driver supply voltage VOVDD = VOCVDD 5 pF Post-driver supply voltage above 2.25V (1) 10 pF Note: (1) The outputs will be functional with higher loads. However, it is recommended to keep the load on output data bits as low as possible to keep dynamic currents and resulting switching noise at a minimum. |
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