поискавой системы для электроныых деталей |
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LM2507SQ датащи(PDF) 5 Page - National Semiconductor (TI) |
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LM2507SQ датащи(HTML) 5 Page - National Semiconductor (TI) |
5 / 22 page Electrical Characteristics (Continued) Over recommended operating supply and temperature ranges unless otherwise specified. (Notes 2, 3) Symbol Parameter Conditions Min Typ Max Units SUPPLY CURRENT I DDZ Supply Current — Disable T A = 25˚C Power Down Modes MST PD*=L V DDIO <12 µA V DD/VDDA <1 2.2 µA SLV PD*=L V DDIO <12 µA V DD/VDDA <1 2.2 µA Switching Characteristics Over recommended operating supply and temperature ranges unless otherwise specified. (Note 2) Symbol Parameter Conditions Min Typ Max Units PARALLEL BUS TIMING See t SET Set Up Time 5 ns t HOLD Hold Time 5 ns t RISE Rise Time Edge sensitive outputs only, (Note 6) C L =15pF, Figure 2 V DDIO = 1.74V 7 15.5 ns V DDIO = 3.0V 3 6.5 ns t FALL Fall Time V DDIO = 1.74V 7 15.5 ns V DDIO = 3.0V 26 ns SERIAL BUS TIMING t DVBC Serial Data Valid before Clock (Set Time) SLV Input Figure 1 MC = 80MHz (Note 9) 1.5 ns t DVAC Serial Data Valid after Clock (Hold Time) 1.5 ns POWER UP TIMING t 0 MST PLL Lock Counter 4,096 CLK cycles t 1 MC Pulse Width Low 180 MC cycles t 2 MC Pulse Width High 180 MC cycles t 3 MC H-L to Idle State 180 MC cycles MPL POWER OFF TIMING t PAZ Disable Time to Power Down (Note 8) 2ms Recommended Input Timing Requirements Over recommended operating supply and temperature ranges unless otherwise specified. (Note 2) Symbol Parameter Conditions Min Typ Max Units MASTER REFERENCE CLOCK (CLK) f Clock Frequency 3 20 MHz t CP Clock Period 50 333 ns CLK DC Clock Duty Cycle 30 50 70 % t T Clock/Data Transition Times (Rise or Fall, 10%–90%) (Note 7) 2 ns Note 1: “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. They are not meant to imply that the device should be operated at these limits. The tables of “Electrical Characteristics” specify conditions for device operation. Note 2: Typical values are given for VDDIO = 1.8V and VDD =VDDA = 1.8V and TA = 25˚C. Note 3: Current into a device pin is defined as positive. Current out of device pins is defined as negative. Voltages are referenced to Ground unless otherwise specified. Note 4: MPL Current Threshold is set to be 3XIB by the MPL start up Sequence - this is a functional specification only. www.national.com 5 |
Аналогичный номер детали - LM2507SQ |
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Аналогичное описание - LM2507SQ |
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