Abstract

A complete low-power high-voltage driver for a 80×104 passive-matrix bistable LCD is integrated in a 0.7μm CMOS smart-power technology. It features 100V driving capability on all row and column outputs and comprises all necessary digitally programmable high-voltage generators and multiplexers to synthesize the required complex high-voltage waveforms from a 3V battery. An original level-shifter design for the high-voltage multiplexers and a dedicated architecture for the programmable high-voltage generators yield an extremely low internal power consumption below 10mW for the entire driver chip.

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