DESCRIPTION

The ST8011 is a 120-output segment driver IC suitable for driving small/medium scale dot matrix LCD panels, and is used in PDA or electronic dictionary . The ST8011 is good as a segment driver, and it can create a low power consuming, high-resolution LCD.

FEATURES

• Number of LCD drive outputs: 120

• Supply voltage for LCD drive: Max +16V

• Supply voltage for the logic system: +2.5 to +5.5 V

• Low power consumption

• Package: 136-pin COB.

(Segment mode)

• Shift clock frequency

- 20 MHz (MAX.): VDD = +5.0 ± 0.5 V

- 15 MHz (MAX.): VDD = +3.0 to + 4.5 V

- 12 MHz (MAX.): VDD = +2.5 to + 3.0 V

• Adopts a data bus system

• 4-bit parallel / serial input modes are selectable with a mode (P/S) pin

• Automatic transfer function of an enable signal

• Automatic counting function which, in the chip selection mode, causes the internal clock to be stopped by

automatically counting 120 bits of input data

• Line latch circuits are reset when XDISPOFF active