Holtek Semiconductor Inc HT1609L Datasheet

2×40 Channel LCD Driver

Features

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Operating voltage: 2.7V ~5.2V

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Bias voltage: static~1/5 bias

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LCD driving voltage: 3.0V~5.0V

Applications

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Electronic dictionaries

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Portable computers

General Description

The HT1609L is a n LCD driver LS I with 2×40
output channels using CMOS technology. It is
equipped with two sets of 40-bit bidirectional
shift registers, 40-bit data latches, 40-bit LCD
drivers, and logic control circuits.

The HT1609L ca n convert seria l data received

Block Diagram

HT1609L

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2×40 internal LCD drivers available

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LCD driver with serial /parallel conversion
function

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Remote controllers

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Calculators

from an LCD contro ller into parallel data and
send out LCD d riving waveforms to the LCD
panel. The HT1609L is designed for general
purpose LCD drivers. It can drive both static
and dynamic drive LCDs. The LSI can be used
as segment driver.

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Pin Assignment

HT1609L

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Pad Assignment

HT1609L

Chip size: 162 × 102 (mil)

* The IC substrate should be connected to VDD in the PCB layout artwork.

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