Overview

The LC79430D is a large-scale dot matrix LCD common driver LSI. The LC79430D contains an 80-bit bidirectional shift register and is equipped with a 4-level LCD driver. The input/output pins for cascade connection can be used to further increase the IC’s number of bits. The LC79430D can be used in conjumction with segment driver LC79400D, LC79401D (QFP100D) to drive a wide-screen LCD panel.

Functions and Features

• On-chip LCD drive circuit (80 bits)

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

• On-chip input/output pins support further increases in bit number

• Supports externally supplied bias voltage

• On-chip 80-bit bidirectional shift register (supports 40-bit × 2 division)

• Supports single mode (80-bit shift register) and dual mode (40-bit × 2 shift register) applications

(1) O1 → O80 Single mode

(2) O80 → O1

(3) O1 → O40 and O41 → O80 Single mode

(4) O80 → O41 and O40 → O1

All four of the shift direction selection listed above all supported.

• Operating power supply voltage/operating temperature include

VDD (logic section) : 5 V ±10 / –20 to +75°C

VDD–VEE (LCD section) : 12 V to 32 V / –20 to +75°C

• CMOS process

参考价格：13.6798

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