
The MIC811 and MIC812 are inexpensive microprocessor supervisory circuits that monitor power supplies in microprocessor based systems.
The function of this device 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 MIC811 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 MIC811/812 does not require a pull-up resistor at the output. The MIC811/812 comes in a 4-pin SOT-143 package.
If a microprocessor voltage supervisor with an open-drain output stage is needed, see MIC6315.
Precision voltage monitor for 3V, 3.3V or 5V power supplies
/RESET remains valid with VCC as low as 1V
5μA typical supply current
140ms minimum reset pulse width available
Manual reset input
Available in 4-pin SOT-143 package
MIC812 封裝圖
MIC812 封裝圖
型號(hào) | 制造商 | 描述 | 購(gòu)買 |
---|---|---|---|
MIC812RUY-TR | Panasonic - BSG | 立即購(gòu)買 | |
MIC812JUY-TR | Panasonic - BSG | 立即購(gòu)買 | |
MIC812LUY-TR | Panasonic - BSG | 立即購(gòu)買 | |
MIC812MUY-TR | Panasonic - BSG | 立即購(gòu)買 | |
MIC812SUY-TR | Panasonic - BSG | 立即購(gòu)買 | |
MIC812TUY-TR | Vishay Sprague | 鉭電容 7.00 x 6.00mm 2824 | 立即購(gòu)買 |
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