M75012 pin function diagram

The following is the circuit diagram of [M75012 pin function diagram]

Features ‧ Single-chip CMOS integrated circuits.
‧ A common alarm can be achieved by interconnecting up to 50 alarm units via I/O pins.
‧ The circuit enters the standby state after power-on reset.
‧ Wide supply voltage range: 6V-12V.
‧ Each pin has an ESD and Latch Up protection circuit.
‧ The drive buzzer sounds an alarm.
Application ‧ Photoelectric Smoke Detector

(Editor: Circuit Diagram)