Datasheet MAX6369, MAX6370, MAX6371, MAX6372, MAX6373, MAX6374 (Maxim) - 3

Pin-Selectable Watchdog Timers MAX6369–MAX6374 ELECTRICAL CHARACTERISTICS (continued)
(VCC = +2.5V to +5.5V, SET_ = VCC or GND, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C and VCC = +3V.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
SET2 = 0, SET1 = 0, SET0 = 0 1 3 SET2 = 0, SET1 = 0, SET0 = VCC 10 30 ms SET2 = 0, SET1 = VCC, SET0 = 0 30 90 Watchdog Timeout SET2 = 0, SET1 = VCC, SET0 = VCC Watchdog Disabled t Period WD SET2 = VCC, SET1 = 0, SET0 = 0 100 300 ms SET2 = VCC, SET1 = 0, SET0 = VCC 1 3 SET2 = VCC, SET1 = VCC, SET0 = 0 10 30 s SET2 = VCC, SET1 = VCC, SET0 = VCC 60 180
MAX6371/MAX6372
SET2 = 0, SET1 = VCC, SET0 = VCC Watchdog Disabled Startup Delay Period tDELAY All other SET_ conditions 60 180 s SET2 = 0, SET1 = 0, SET0 = 0 1 3 SET2 = 0, SET1 = 0, SET0 = VCC 3 9 ms SET2 = 0, SET1 = VCC, SET0 = 0 10 30 Watchdog Time-Out SET2 = 0, SET1 = VCC, SET0 = VCC Watchdog Disabled tWD Period SET2 = VCC, SET1 = 0, SET0 = 0 100 300 ms SET2 = VCC, SET1 = 0, SET0 = VCC 300 900 SET2 = VCC, SET1 = VCC, SET0 = 0 3 9 s SET2 = VCC, SET1 = VCC, SET0 = VCC 60 180
MAX6373/MAX6374
SET2 = 0, SET1 = 0, SET0 = 0 3 9 ms SET2 = 0, SET1 = 0, SET0 = VCC 3 9 s SET2 = 0, SET1 = VCC, SET0 = 0 60 180 SET2 = 0, SET1 = VCC, SET0 = VCC Watchdog Disabled Startup Delay Period tDELAY SET2 = VCC, SET1 = 0, SET0 = 0 200 600 µs SET2 = VCC, SET1 = 0, SET0 = VCC First Edge (Note 3) SET2 = VCC, SET1 = VCC, SET0 = 0 First Edge (Note 3) SET2 = VCC, SET1 = VCC, SET0 = VCC 60 180 s SET2 = 0, SET1 = 0, SET0 = 0 3 9 ms SET2 = 0, SET1 = 0, SET0 = VCC 3 9 s SET2 = 0, SET1 = VCC, SET0 = 0 1 3 Watchdog Timeout SET2 = 0, SET1 = VCC, SET0 = VCC Watchdog Disabled tWD Period SET2 = VCC, SET1 = 0, SET0 = 0 30 90 µs SET2 = VCC, SET1 = 0, SET0 = VCC 1 3 SET2 = VCC, SET1 = VCC, SET0 = 0 10 30 s SET2 = VCC, SET1 = VCC, SET0 = VCC 10 30
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