BUY MB3714 https://www.utsource.net/itm/p/976169.html

Manufacturer: Fujitsu Description: MB3714 is an 8-pin, low-voltage, low-power, CMOS voltage detector IC. Features: Operating voltage range: 2.0V to 6.0V Output voltage accuracy: ±1.0% Detection voltage accuracy: ±2.0% Low current consumption: 0.5μA (typ.) Low power consumption: 0.5mW (typ.) Low output current: 0.1mA (typ.) Low output voltage: 0.3V (typ.) High output voltage: VDD-0.3V (typ.) Low output impedance: 1kΩ (typ.) High input impedance: 1MΩ (typ.) High noise immunity: 0.1V (typ.) High temperature stability: ±0.5%/°C (typ.) Applications: Battery-powered devices Portable electronic devices Automotive electronics Industrial electronics Power supply monitoring Over-voltage protection (For reference only)