AS2591 Datasheet (austriamicrosystems AG) - 16-Digit LCD Driver CMOS Integrated Circuit

AS2591, 16-Digit LCD Driver CMOS Integrated Circuit

The AS2591 is a CMOS integrated circuit for driving a liquid crystal display intended for use in telephones.

The driver can be used with 12- or 16-digit LCDs.

The 2-wire serial interface is compatible with the AS2525, single-chip handsfree telephone circuit.

The device is designed for LCDs with 4 ba

AS2591 Features

* q 16-digit LCD driver on a 44 pin CMOS chip q Operating voltage range: 3.2 to 4.8V q Low power consumption: max. 150 µA q Driving 7-segment displays with up to 16 digits and 12 symbols q Option for 12 digits q Buffer for 32 digits q 4 backplanes q 2-wire interface q On chip timer for showing elapsed