HT1609L
2
×
40 Channel LCD Driver
Features
•
•
•
Operating voltage: 2.7V~5.2V
Bias voltage: static~1/5 bias
LCD driving voltage: 3.0V~5.0V
•
•
2
×
40 internal LCD drivers available
LCD driver with serial/parallel conversion
function
Applications
•
•
Electronic dictionaries
Portable computers
•
•
Remote controllers
Calculators
General Description
The HT1609L is an LCD driver LSI 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 can convert serial data received
from an LCD controller into parallel data and
send out LCD driving 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.
Block Diagram
1
25th Aug ’98
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
