vices. The chip can drive up to 33 LCD segments and can be
paralleled to increase this number. The chip is capable of
鈦?/div>
2
digit 7-segment display with minimal interface
between the display and the data source.
The MM145453 stores display data in latches after it is
clocked in, and holds the data until new display data is re-
ceived.
The MM145453 is available in a molded 44 pin surface
mount PLCC package. The MM145453 is pin out and func-
tionally compatible with the MC145453.
Features
n
n
n
n
n
n
n
Serial Data Input
Wide Power Supply operation
TTL Compatibility
Up to 33 LCD Segments
Alphanumeric or Bar Graph capability
Cascaded operation capability
Pin Compatible with MC145453
Applications
n
n
n
n
n
COPS
鈩?/div>
or microprocessor displays
Industrial control indicator
Digital clock, thermometer, counter, voltmeter
Instrumentation displays
Remote displays
Connection Diagram
DS101283-1
Top View
Order Number MM145453V
See NS Package Number V44A
漏 1999 National Semiconductor Corporation
DS101283
www.national.com
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