Philips PCF2201
The PCF2201 is a row or column LCD driver, designed to drive LCD flat-panels at multiplex rates of up to 1 : 256. The PCF2201 converts serial or parallel 4-bit display data into parallel LCD drive waveforms, capable of driving up to 81 rows or 80 columns of an LCD matrix. The PCF2201 is cascadable, enabling it to drive any LCD flat-panel matrix.GENERAL DESCRIPTION
The PCF2201 is controlled by an alphanumeric/graphic controller.FEATURES
● Row or column drive capability● 80 data latches
● 81 stage bidirectional shift register
● 81 LCD drive outputs
● Proprietary margin control drive output
● Low drive impedance
● LCD drive voltage of up to 25 V
● 5 V logic compatibility
● High speed operation (4 MHz)
● Multiplex rates of up to 1 : 256
● Externally adjusted bias voltages
● Maximum LCD voltage and VDD ma