MM5483| Datasheet

By datasheet - May 14th, 2008

MM5483| Datasheet

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MM5483 Liquid Crystal Display Driver

May 2002

MM5483 Liquid Crystal Display Driver
General Description
The MM5483 is a monolithic integrated circuit utilizing CMOS metal-gate low-threshold enhancement mode devices. It is available in a 40-pin molded package. The chip can drive up to 31 segments of LCD and can be cascaded to increase this number. This chip is capable of driving a 41/2digit 7-segment display with minimal interface between the display and the data source. The MM5483 stores the display data in latches after it is latched in, and holds the data until another load pulse is received.

Features
n n n n n n n Serial data input Serial data output Wide power supply operation TTL compatibility 31 segment outputs Alphanumeric and bar graph capability Cascade capability

Applications
n n n n n COPSTM or microprocessor displays Industrial control indicator Digital clock, thermometer, counter, voltmeter Instrumentation readouts Remote displays

Block and Connection Diagrams

00614001

FIGURE 1.

COPSTM is a trademark of National Semiconductor Corporation.

2004 National Semiconductor Corporation

DS006140

www.national.com