Ordering number : EN6370B LC75808W CMOS IC 1/8 to 1/10 Duty LCD Display Driver with Key Input Function http://onsemi.
com Overview The LC75808W is 1/8 to 1/10 duty LCD display driver that can directly drive up to 600 segments and can control up to four general-purpose output ports.
This product also incorporates a key scan circuit that accepts input from up to 30 keys to reduce printed circuit board wiring.
Features • Key input function for up to 30 keys (A key scan is performed only when a key is pressed.
) • 1/8duty–1/4bias, 1/9duty–1/4bias, and 1/10duty–1/4bias drive schemes can be controlled from serial data.
1/8duty–1/4bias: up to 480 segments 1/9duty–1/4bias: up to 540 segments 1/10du...

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