UA3730

The UA3730 is a single-chip CMOS electronic lock IC which can accept 12-digit passwords. If using the incorrect password, it will alarm and trigger an external

The features of the UA3730 are: (1)single-chip CMOS construction; (2)operating voltage range: 3 to 6V; (3)low current: operating 4mA, standby 5A; (4)12-digit password: providing 10 combinations; (5)pulse and level type output due to keying correct password; (6)alarm and 60-second-wide pulse output due to an incorrect password; (7)built-in ON/OFF sensor pin for using traditional key.

The absolute maximum ratings of the UA3730 are: (1)power supply voltage: -0.3V to 7.0V; (2)input voltage: -0.3V to 15V; (3)input voltage: -0.3V to VDD + 0.3V; (4)output high current: -2mA; (5)output low current: 20mA; (6)operating temperature: -30 to 70; (7)storage temperature: -55 to 125 .