MC145453FN National Semiconductor, MC145453FN Datasheet

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MC145453FN

Manufacturer Part Number
MC145453FN
Description
Manufacturer
National Semiconductor
Datasheet

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© 2004 National Semiconductor Corporation
MM145453
Liquid Crystal Display Driver
General Description
The MM145453 is a monolithic integrated circuit utilizing
CMOS metal gate, low threshold enhancement mode de-
vices. The chip can drive up to 33 LCD segments and can be
paralleled to increase this number. The chip is capable of
driving a 4
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
received.
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.
Connection Diagram
1
2
digit 7-segment display with minimal interface
DS101283
See NS Package Number V44A
Order Number MM145453V
Top View
Features
n Serial Data Input
n Wide Power Supply operation
n TTL Compatibility
n Up to 33 LCD Segments
n Alphanumeric or Bar Graph capability
n Cascaded operation capability
n Pin Compatible with MC145453
Applications
n COPS
n Industrial control indicator
n Digital clock, thermometer, counter, voltmeter
n Instrumentation displays
n Remote displays
or microprocessor displays
10128301
www.national.com
May 2000

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MC145453FN Summary of contents

Page 1

... 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. Connection Diagram © 2004 National Semiconductor Corporation Features n Serial Data Input n Wide Power Supply operation n TTL Compatibility LCD Segments ...

Page 2

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Voltage at Any Pin, Referenced to Gnd Storage Temperature Power Dissipation at 25˚C Power Dissipation at 70˚C Electrical Characteristics The following specifications apply for T ...

Page 3

Timing Diagram Block Diagram Applications Information The MM145453 is specifically designed to operate 4 7-segment displays with minimal interface with the display and data source. Serial data transfer from the data source to the display driver is accomplished with 2 ...

Page 4

Applications Information A R resistor value of 50kΩ with a C OSC_IN value of 0.01µF and a V value of 5.00V would produce a DD typical oscillator frequency ( about 1200Hz. The OSC f signal is divided ...

Page 5

... BANNED SUBSTANCE COMPLIANCE National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2. ...

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