The PCF21xxC family are single-chip, silicon gate CMOS LCD driver circuits. A 3-line bus (CBUS) structure enables serial data transfer with microcontrollers. All inputs are CMOS/NMOS compatible.
The devices have the same function and performance as those of the PCF21xx family, which they supersede. The maximum operating voltage required is reduced from 6.5 to 6.0 V
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