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FM803JP3X Datasheet(PDF) 1 Page - Fairchild Semiconductor |
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FM803JP3X Datasheet(HTML) 1 Page - Fairchild Semiconductor |
1 / 7 page 1 www.fairchildsemi.com www.fairchildsemi.com FM803 Rev. C.3 FM803 3-Pin µC Supervisor Device General Description The FM803 is a supervisory device designed to monitor power supply or other system voltage. FM803 generates a reset pulse whenever the voltage being monitored is out of tolerance. Once asserted, the reset pulse is guaranteed to be valid for a minimum of 140ms (256ms typical ). The reset output of FM803 is of active low Open-Drain type and has an internal pull-up resistor. Several threshold voltages are offered to accommodate 5.0V, 3.3V, 3.0V and 2.7V system voltages. These devices are offered in space saving 3-pin SOT23 and SC70 packages. Typical Operating Circuit October 2002 Features I Automatic reset generation on power-up I Minimum 140 ms reset pulse I Internal 5kΩ pull-up resistor I Other reset pulse choices available: 32 - 256 ms I Operating temperature -40 °C to + 105°C (SOT-23) -40 °C to +85°C (SC70) I Choice of Reset Thresholds: 4.63V, 4.38V, 4.00V, 3.08V, 2.93V, 2.63V I SOT23-3 and SC70-3 Packages © 2000 Fairchild Semiconductor International Connection Diagram GND VCC /RESET 1 FM803 2 3 SC70-3 & SOT23-3 Packages 1 FM803 Controller 2 3 VCC GND /RESET |
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