LC75884E Datasheet, PDF (17/27 Pages) Sanyo Semicon Device – 1/4 Duty LCD Display Drivers with Key Input Function

1/4 Duty, 1/3 Bias Drive Technique
LC75884E, LC75884W
COM1
COM2
COM3
COM4
LCD driver output when all LCD segments corresponding to
COM1, COM2, COM3 and COM4 are turned off.
LCD driver output when only LCD segments
corresponding to COM1 are on
LCD driver output when only LCD segments
corresponding to COM2 are on.
LCD driver output when LCD segments corresponding
to COM1 and COM2 are on.
LCD driver output when only LCD segments
corresponding to COM3 are on.
LCD driver output when LCD segments corresponding
to COM1 and COM3 are on.
LCD driver output when LCD segments corresponding
to COM2 and COM3 are on.
LCD driver output when LCD segments corresponding
to COM1, COM2 and COM3 are on.
LCD driver output when only LCD segments
corresponding to COM4 are on.
LCD driver output when LCD segments corresponding
to COM2 and COM4 are on.
LCD driver output when all LCD segments corresponding to
COM1, COM2, COM3 and COM4 are on.
1/4 Duty, 1/3 Bias Waveforms
VLCD
VLCD1
VLCD2
0V
VLCD
VLCD1
VLCD2
0V
VLCD
VLCD1
VLCD2
0V
VLCD
VLCD1
VLCD2
VLCD
VLCD1
VLCD2
0V
VLCD
VLCD1
VLCD2
0V
VLCD
VLCD1
VLCD2
0V
VLCD
VLCD1
VLCD2
0V
VLCD
VLCD1
VLCD2
0V
VLCD
VLCD1
VLCD2
0V
VLCD
VLCD1
VLCD2
0V
VLCD
VLCD1
VLCD2
0V
VLCD
VLCD1
VLCD2
0V
VLCD
VLCD1
VLCD2
0V
VLCD
VLCD1
VLCD2
0V
No. 6086-17/27