MIC811TUY

microprocessor supervisory circuits, 140ms, 4-pin SOT-143, Micrel Semiconductor

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Price:: US $0.30~0.45 / piece [Get Latest Price]

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	US $0.30~0.45

PartNumber:: MIC811TUY

Brand:: Micrel Semiconductor - Micrel | Pack: SOT | D/C: 08+

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Products Upload time: 2011-08-09

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Product Summary

The MIC811TUY is an inexpensive microprocessor supervisory circuit that monitor power supplies in microprocessor based systems. The function of MIC811TUY is to assert a reset if either the power supply drops below a designated reset threshold level or /MR is forced low. Several different reset threshold levels are available to accommodate 3V, 3.3V or 5V powered systems. The MIC811TUY has an active low /RESET output, while the MIC812 offers an active high RESET output. The reset output is guaranteed to remain asserted for a minimum of 140ms after VCC has risen above the designed reset threshold level. Having a push-pull output stage, the MIC811TUY/812 does not require a pull-up resistor at the output. The MIC811/812 comes in a 4-pin SOT-143 package.

Parametrics

MIC811TUY absolute maximum ratings: (1)Terminal Voltage (VCC): –0.3V to +6.0V; (2)Input Current (VCC, /MR): 20mA; (3)Output Current (/RESET, RESET): 20mA; (4)Lead Temperature (soldering, 10 sec.): 300℃; (5)Storage Temperature (TS): –65℃ to 150℃; (6)Rate of Rise (VCC): 100V/μs; (7)ESD Rating: 3kV; (8)Operating Temperature Range: –40℃ to 85℃; (9)Power Dissipation (TA = +70℃): 320mW.

Features

MIC811TUY features: (1)Precision voltage monitor for 3V, 3.3V or 5V power supplies; (2)/RESET remains valid with VCC as low as 1V; (3)5μA typical supply current; (4)140ms minimum reset pulse width available; (5)Manual reset input; (6)Available in 4-pin SOT-143 package.