LC79400D Datasheet (Sanyo Semicon Device)

LC79400D, Dot Matrix LCD Driver

Pin No 90 92 83 86 85 84 97 81 100 Pin name VDD VSS VEE V1 V3 V4 CP CDR CDL Input Input/Output Input/Output Power supply Power supply VDD and VEE: Power supply for LCD drive circuit LCD drive level power supply V1 and VEE : Select level V3 and V4 : Nonselect level Display data shift clock (triggeri

Ordering number : EN4346B CMOS LSI LC79400D Dot Matrix LCD Driver Overview The LC79400D is a large-scale dot matrix LCD segment driver LSI.

Display data transferred from the controller (4-bit parallel format) is processed through 80-bit latching and a LCD drive signal is generated.

The LC79400D can be used in conjunction with common driver LC7943D (QIP80D) as well as LC79430D (QIP100D) and LC79431D (QIP100D) to drive a widescreen LCD panel.

Package Dimensions unit : mm 3180-QFP100D [LC73701M

LC79400D Features

* On-chip LCD drive circuit (80 bits)

* Display duty selection ranging from 1/64 to 1/256

* Supports use of chip disable pin for lower large panel power supply dissipation

* Supports externally supplied bias voltage

* Operating power supply voltage/operating t