Datasheet Texas Instruments LM810M3-4.63 — Datenblatt

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SNVS052E – SEPTEMBER 1999 – REVISED APRIL 2016 LM809/LM810 3-Pin Microprocessor Reset Circuits
1 Features 3 Description The LM809 and LM810 microprocessors supervisory
circuits can be used to monitor the power supplies in
microprocessor and digital systems. They provide a
reset to the microprocessor during power-up, powerdown and brown-out conditions. 1 Precision Monitoring of Supply Voltages
– Available Threshold Options:
2.63 V, 2.93 V, 3.08 V, 4.38 V, 4.63 V
Superior Upgrade to MAX809 and MAX810
Fully Specified Over Temperature
140-ms Minimum Power-On Reset Pulse Width,
240-ms Typical
– Active-Low RESET Output (LM809)
– Active-High RESET Output (LM810)
Ensured RESET Output Valid for VCC ≥ 1 V
Low Supply Current, 15-ВµA Typical
Power Supply Transient Immunity 2 Applications The function of the LM809 and LM810 are to monitor
the VCC supply voltage, and assert a reset signal …