LC75857E Datasheet, PDF (6/39 Pages) Sanyo Semicon Device – CMOS IC 1/3, 1/4 Duty LCD Display Drivers with Key Input Function

Block Diagram
LC75857E, LC75857W
VLCD
VLCD1
VLCD2
VSS
TEST
OSC
DO
DI
CL
CE
VDD
COMMON
DRIVER
CLOCK
GENERATOR
CCB
INTERFACE
VDET
SEGMENT DRIVER & LATCH
CONTROL
REGISTER
SHIFT REGISTER
KEY BUFFER
KEY SCAN
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