HT1602 datasheet(1/6 Pages) HOLTEK

Il numero della parte	HT1602

Spiegazioni elettronici	40 Dot Matrix LCD Segment Driver

PDF	6 Pages

Scroll/Zoom	100%

Produttore elettronici	HOLTEK [Holtek Semiconductor Inc]

Homepage	http://www.holtek.com

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HT1602

40 Dot Matrix LCD Segment Driver

Block Diagram

Features

•

Operating voltage: 4.5V~5.5V

•

LCD driving voltage: 8V~16V

•

Applicable LCD duty cycle from 1/8 to 1/64

•

Suitable for various types of LCD panel

•

Bias voltage adjustable from an external

source

General Description

The HT1602 is a dot matrix LCD segment

driver LSI implemented in CMOS technology. It

is equipped with a 40-bit shift register (two

20-bit shift registers), a 40-bit latch (two 20-bit

latches), a 40-bit level shifter, a 40-bit 4-level

driver, and control circuits.

The HT1602 can convert serial data received

from an LCD controller to parallel data and

then send them out as LCD driving waveforms

to the LCD panel. The HT1602 can be applied

up to 1/64 duty. Furthermore, the bias voltage

which determines the LCD driving voltage can

be optionally supplied from an external source,

thus the chip is suitable for driving various

types of LCD panel. These special features in-

crease the versatility of the chip.

Applications

•

Electronic dictionaries

•

Portable computers

•

Remote controllers

•

Calculators

1

28th Aug ’98

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