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T6K34
Row Driver LSI for Dot Matrix Graphic LCD
T6K34 TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
T6K34 Row Driver LSI for Dot Matrix Graphic LCD
The TOSHIBA T6K34 is a row (common) driver for a
small-to-medium-sized dot matrix graphic LCD.
The T6K34 has 168 outputs for LCD driver signals (common).
The T6K34 contains a power supply circuit with electronic
volume enabling the LCD to be driven by a single power supply.
Thus, in combination with a T6K33/S6B0021 (by Samsung)
segment driver, the T6K34 can be used to implement a low-power
LCD system without the need for a separate power supply IC.
Features LCD drive outputs: 168 common outputs Operating voltage: VDD = 1.8 V~3.3 V , VIN = 2.7 V~3.6 V (VDD ≤ VIN) LCD drive voltage: 28.8 V (max) Booster circuit: VIN × (−6) max Contrast control: 64 steps (max) Partial display function CMOS process Package: Bump chip (COF), TCP (tape carrier package) Low power consumption: ISS = 225 µA (typ.) ……… Design target Conditions: VDD = VIN = 3.0 V , using ×5 booster, LCD non-leaded, Ta = 25°C, 1/168 duty, 1/6 bias, PCK = 15 kHz, contrast = 20H Voltage regulator: Temperature coefficient = −0.0%/°C (typ.) ±0.04%/°C
