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TPS3305-33DGN Datasheet(PDF) 8 Page - Texas Instruments |
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TPS3305-33DGN Datasheet(HTML) 8 Page - Texas Instruments |
8 / 13 page TPS3305-18, TPS3305-25, TPS3305-33 DUAL PROCESSOR SUPERVISORS SLVS198 – DECEMBER 1998 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 timing requirements at VDD = 2.7 V to 6 V, RL = 1 MΩ, CL = 50 pF, TA = 25°C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SENSEn VSENSEnL = VIT– –0.2 V, VSENSEnH = VIT+ +0.2 V 6 µs tw Pulse width MR VIH =07 × VDD VIL =0 3 × VDD 100 ns WDI VIH = 0.7 × VDD, VIL = 0.3 × VDD 100 ns switching characteristics at VDD = 2.7 V to 6 V, RL = 1 MΩ, CL = 50 pF, TA = 25°C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT tt(out) Watchdog time out VI(SENSEn) ≥ VIT+ + 0.2 V, MR ≥ 0.7 × VDD, See timing diagram 1.1 1.6 2.3 s td Delay time VI(SENSEn) ≥ VIT+ + 0.2 V, MR ≥ 0.7 × VDD, See timing diagram 140 200 280 ms tPHL Propagation (delay) time, high-to-low level output MR to RESET, MR to RESET VI(SENSEn) ≥ VIT+ +0.2 V, 200 500 ns tPLH Propagation (delay) time, low-to-high level output MR to RESET, MR to RESET I(SENSEn) IT+ VIH = 0.7 × VDD,VIL = 0.3 × VDD 200 500 ns tPHL Propagation (delay) time, high-to-low level output SENSEn to RESET, SENSEn to RESET VIH = VIT+ +0.2 V, VIL = VIT– –0.2 V, 1 5 µs tPLH Propagation (delay) time, low-to-high level output SENSEn to RESET, SENSEn to RESET IH IT+ IL IT MR ≥ 0.7 × VDD 1 5 µs |
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