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TPS3813J25 Fiches technique(PDF) 3 Page - Texas Instruments |
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TPS3813J25 Fiches technique(HTML) 3 Page - Texas Instruments |
3 / 16 page www.ti.com RESET WDT _ + Rising Edge Detection Watchdog Ratio Detection Reset Logic and Timer Bandgap Voltage Reference Oscillator Detection Circuit WDI WDR GND VDD Power to circuitry GND R2 R1 GND GND VDD td td td VIT 0.6 V RESET Output Condition Undefined WDI 1st Window Without Lower Boundary 2nd Window With Lower Boundary 3rd Window With Lower Boundary Trigger Pulse Lower Window Boundary 1st Window Without Lower Boundary 1st Window Without Lower Boundary 2nd Window With Lower Boundary 3rd Window With Lower Boundary t t t Output Condition Undefined TPS3813J25, TPS3813L30 TPS3813K33, TPS3813I50 SLVS331B – DECEMBER 2000 – REVISED JUNE 2005 The lower boundary of the watchdog window starts with the rising edge of the WDI trigger pulse. At the same time, all internal timers will be reset. If an external capacitor is used, the lower boundary is impacted due to the different oscillator frequency. This is described in more detail in the following section. The timing diagram and especially the shaded boundary is prepared in a nonreal ratio scale to better visualize the description. 3 |
Numéro de pièce similaire - TPS3813J25_07 |
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Description similaire - TPS3813J25_07 |
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