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AME8510 pdf datasheet (Micropo
消耗积分:3 |
格式:rar |
大小:223 |
2008-12-01
刘艳
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The AME8510/8520/8530 family allows the user to customize
the CPU monitoring function without any external
components. The user has a large choice of reset voltage
thresholds and output driver configurations, all of which
are preset at the factory. Each wafer is trimmed to the
customer's specifications.
These circuits will ignore fast negative going transients
on VIN. The state of the reset output is guaranteed to be
correct down to 1V.
After VIN crosses above a factory preset threshold, the
AME8510/8520/8530 assert a reset signal. After a predetermined
time (the“ reset” interval) the reset is
deasserted. If VIN ever drops below the threshold voltage
a reset is asserted immediately. In addition to a supply
monitoring function the AME8510/8520 also monitor transitions
at the watch dog input (WDI). If a logic transition
does not occur at the WDI pin within a certain time interval
(the “watchdog”interval) then a reset is asserted. The
reset deasserts after the reset interval, as explained earlier.
The AME8510/8530 can both assert a reset manually
by pulling the MRB input to ground.
Space saving SOT-25/TSOT-25 packages and
micropower quiescent current make this family a natural
for portable battery powered equipment.
the CPU monitoring function without any external
components. The user has a large choice of reset voltage
thresholds and output driver configurations, all of which
are preset at the factory. Each wafer is trimmed to the
customer's specifications.
These circuits will ignore fast negative going transients
on VIN. The state of the reset output is guaranteed to be
correct down to 1V.
After VIN crosses above a factory preset threshold, the
AME8510/8520/8530 assert a reset signal. After a predetermined
time (the“ reset” interval) the reset is
deasserted. If VIN ever drops below the threshold voltage
a reset is asserted immediately. In addition to a supply
monitoring function the AME8510/8520 also monitor transitions
at the watch dog input (WDI). If a logic transition
does not occur at the WDI pin within a certain time interval
(the “watchdog”interval) then a reset is asserted. The
reset deasserts after the reset interval, as explained earlier.
The AME8510/8530 can both assert a reset manually
by pulling the MRB input to ground.
Space saving SOT-25/TSOT-25 packages and
micropower quiescent current make this family a natural
for portable battery powered equipment.
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