Product Summary

The GT9128FG is a memory mapped segment-type LCD driver which has 128 patterns. The GT9128FG can easily interface to microprocessor or microcontroller via a serial interface like accessing the serial EEPROM. There are only three or four lines required for communication with the host CPU. The applications of the GT9128FG include Portable sets, cameras, telephones, radio, VCD players, DVD players, MP3 players, digital recorder, home appliance and those applications using LCD display.

Parametrics

GT9128FG absolute maximum ratings: (1)VDD Power Supply Voltage: -0.3V to 5.5 V; (2)VLCD LCD Supply Voltage: -0.3V to VDD V; (3)TIN Input voltage: VSS-0.3V to VDD+0.3 V; (4)TA Operating Temperature: -20℃ to 75℃; (5)TSTG Storage Temperature: -55℃ to +125℃.

Features

GT9128FG features: (1)Operates on 2.4V to 5.25V; (2)Lower power CMOS process; (3)Compact package. ( 7.0x7.0 mm2 square ); (4)On chip built-in 256kHz oscillator; (5)Serial EEPROM like access interface; (6)Up to 4 common and 32 segment output; (7)Support 1/2,1/3, or 1/4 duty display; (8)Support 1/2 ,1/3 bias for LCD power display; (9)Programmable timer output for external control; (10)Selectable 2kHz or 4kHz base frequency output; (11)Power down mode to reduce power consumption.

Diagrams

GT9128FG block diagram

GT9128
GT9128

Other


Data Sheet

Negotiable