BU4221 detector equivalent, low voltage free delay time setting cmos voltage detector.
* Delay Time Controlled by external Capacitor
* Two output types (Nch open drain and CMOS output)
* Ultra-low current consumption
* Wide operating tempera.
Circuits using microcontrollers or logic circuits that require a reset.
VDD1
VDD2
RST
Micro controller
BU43xx CIN CT.
ROHM’s BU42xx and BU43xx series are CMOS Voltage Detector ICs with adjustable output delay. It is a high-accuracy, low current consumption Voltage Detector IC series with a built-in delay circuit. The lineup was established with two output types (Nch.
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