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EM6153055 Datasheet(PDF) 5 Page - EM Microelectronic - MARIN SA |
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EM6153055 Datasheet(HTML) 5 Page - EM Microelectronic - MARIN SA |
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5 / 11 page  R EM6153 Copyright © 2006, EM Microelectronic-Marin SA 5 www.emmicroelectronic.com 06/06, rev. B, prelim. Timing Characteristics VINPUT = 13.5 V, IL = 100 μA, CL = 10 μF + 100 nF, CINPUT = 22 μF, VINH = 5 V, Tj = -40 to + 125 °C, unless otherwise specified Parameter Symbol Test Conditions Min. Typ. Max. Units Propagation delay TCL to Output Pins TDIDO 250 500 ns VIN sensitivity TSEN VINhigh=1.1xVREF, VINlow=0.9xVREF 0.5 3 15 μs Watchdog Reset Pulse Period TWDRP TCL inactive TCW + TOW+ TWDR ms Version V50 Power-on Reset delay TPOR ROSC= 121.6 kΩ ±1% 91.6 100 108.3 Closed Window Time TCW 74 80 85.76 Open Window Time TOW 37 40 42.88 ms Watchdog Time TWD 92.5 100 107.2 Watchdog Reset Pulse Width if no TCL TWDR 2.25 2.5 2.75 Version V53 Power-on Reset delay TPOR ROSC = 23.2 kΩ ±1% 4.57 5.0 5.44 Closed Window Time TCW 9.24 10 10.77 Open Window Time TOW 18.48 20 21.54 ms Watchdog Time TWD 18.48 20 21.54 Watchdog Reset Pulse Width if no TCL TWDR 0.56 0.625 0.69 Version V55 Power-on Reset delay TPOR ROSC = 107.5 kΩ ±1% 91.6 100 108.3 Closed Window Time TCW 74 80 85.76 Open Window Time TOW 37 40 42.88 Watchdog Time TWD 92.5 100 107.2 ms Watchdog Reset Pulse Width if no TCL TWDR 2.25 2.5 2.75 Watchdog Reset Pulse Width in Sleep Mode TWDRS ROSC off; RINT=1MΩ 2.8 3.2 3.6 Watchdog Reset Pulse Period in Sleep Mode TWDRPS TCL inactive 750 1100 1450 Table 4 For different values of TWD and ROSC, see figures 9 to 11. Timing Waveforms Watchdog Timeout Period Fig. 4 T CW (closed window) T OW (open) T WD 80 120 Time [ms] Watchdog timer reset ( V30, V50 and V55 have similar ratios for T CW and TOW ) Version V50: T CW (closed) T OW (open) 10 30 Time [ms] Watchdog timer reset Version V53: For R OSC=121.6 kOhm For R OSC=23.2 kOhm T WD |
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