Datasheet Summary
Ordering number : ENN- 7980
Preliminary
SANYO Semiconductors
DATA SHEET
LC75857E LC75857W
Overview
CMOS IC
1/3, 1/4 Duty LCD Display Drivers with Key Input Function
The LC75857E and LC75857W are 1/3 duty and 1/4 duty LCD display drivers that can directly drive up to 164 segments and can control up to four general-purpose output ports. These products also incorporate a key scan circuit that accepts input from up to 30 keys to reduce printed circuit board wiring.
Features
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- Key input function for up to 30 keys (A key scan is performed only when a key is pressed.) 1/3 duty and 1/4 duty drive schemes can be controlled from serial data. 1/2 bias and 1/3 bias drive...
