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SCAN921226SLC Datasheet(PDF) 6 Page - National Semiconductor (TI) |
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SCAN921226SLC Datasheet(HTML) 6 Page - National Semiconductor (TI) |
6 / 21 page Electrical Characteristics (Continued) Over recommended operating supply and temperature ranges unless otherwise specified. Symbol Parameter Conditions Min Typ Max Units DESERIALIZER Bus LVDS DC SPECIFICATIONS (apply to pins RI+ and RI−) VTH Differential Threshold High Voltage VCM = +1.1V +6 +50 mV VTL Differential Threshold Low Voltage −50 −12 mV I IN Input Current V IN = +2.4V, VCC = 3.6V or 0V −10 ±1 +10 µA V IN = 0V, VCC = 3.6V or 0V −10 ±0.05 +10 µA SERIALIZER SUPPLY CURRENT (apply to pins DVCC and AVCC) I CCD Serializer Supply Current RL = 27 Ω f = 30 MHz 45 60 mA Worst Case Figure 2 f = 80 MHz 90 105 mA I CCXD Serializer Supply Current Powerdown PWRDN = 0.8V, f = 80MHz 0.2 1.0 mA DESERIALIZER SUPPLY CURRENT (apply to pins DVCC and AVCC) I CCR Deserializer Supply Current C L = 15 pF f = 30 MHz 50 75 mA Worst Case Figure 3 f = 80 MHz 100 120 mA I CCXR Deserializer Supply Current Powerdown PWRDN = 0.8V, REN = 0.8V 0.36 1.0 mA SCAN CIRCUITRY DC SPECIFICATIONS, SERIALIZER AND DESERIALIZER (applies to SCAN pins as noted) V IH High Level Input Voltage V CC = 3.0 to 3.6V, pins TCK, TMS, TDI, and TRST 2.0 V CC V V IL Low Level Input Voltage V CC = 3.0 to 3.6V, pins TCK, TMS, TDI, and TRST GND 0.8 V V CL Input Clamp Voltage V CC = 3.0V, ICL = −18 mA, pins TCK, TMS, TDI, and TRST −0.85 −1.5 V I IH Input Current V CC = 3.6V, VIN = 3.6V, pins TCK, TMS, TDI, and TRST 1 +10 µA I IL Input Current V CC = 3.6V, VIN = 0.0V, TCK Input -10 -1 µA I ILR Input Current V CC = 3.6V, VIN = 0V, pins TMS, TDI, and TRST -20 -10 µA V OH High Level Output Voltage V CC = 3.0V, IOH = −12 mA, TDO output 2.2 2.6 V V OL Low Level Output Voltage V CC = 3.0V, IOL = 12 mA, TDO output 0.3 0.5 V I OS Output Short Circuit Current V CC = 3.6V, VOUT = 0.0V, TDO output -15 -90 -120 mA I OZ TRI-STATE Output Current PWRDN or REN = 0.8V, V OUT =0VorVCC −10 0 +10 µA Serializer Timing Requirements for TCLK Over recommended operating supply and temperature ranges unless otherwise specified. Symbol Parameter Conditions Min Typ Max Units t TCP Transmit Clock Period 12.5 T 33.3 ns t TCIH Transmit Clock High Time 0.4T 0.5T 0.6T ns t TCIL Transmit Clock Low Time 0.4T 0.5T 0.6T ns t CLKT TCLK Input Transition Time 3 6 ns t JIT TCLK Input Jitter 150 ps (RMS) Serializer Switching Characteristics Over recommended operating supply and temperature ranges unless otherwise specified. Symbol Parameter Conditions Min Typ Max Units t LLHT Bus LVDS Low-to-High Transition Time R L =27Ω C L=10pF to GND Figure 4 (Note 4) 0.2 0.4 ns t LHLT Bus LVDS High-to-Low Transition Time 0.25 0.4 ns www.national.com 6 |
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