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HT1602 Datasheet

  • HT1602

  • 40 Dot Matrix LCD Segment Driver

  • 218.74KB

  • 6頁

  • HOLTEK

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HT1602
40 Dot Matrix LCD Segment Driver
Features
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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
Applications
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Electronic dictionaries
Portable computers
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Remote controllers
Calculators
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.
Block Diagram
1
28th Aug 鈥?8

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