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MM5452 Scheda tecnica(PDF) 1 Page - National Semiconductor (TI) |
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MM5452 Scheda tecnica(HTML) 1 Page - National Semiconductor (TI) |
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1 / 9 page  MM5452/MM5453 Liquid Crystal Display Drivers General Description The MM5452 is a monolithic integrated circuit utilizing CMOS metal gate, low threshold enhancement mode de- vices. It is available in a 40-pin molded package. The chip can drive up to 32 segments of LCD and can be paralleled to increase this number. The chip is capable of driving a 41⁄2-digit 7-segment display with minimal interface between the display and the data source. The MM5452 stores display data in latches after it is clocked in, and holds the data until new display data is received. Features n Serial data input n No load signal required n DATA ENABLE (MM5452) n Wide power supply operation n TTL compatibility n 32 or 33 outputs n Alphanumeric and bar graph capability n Cascaded operation capability Applications n COPS™ or microprocessor displays n Industrial control indicator n Digital clock, thermometer, counter, voltmeter n Instrumentation readouts n Remote displays Block Diagram 00613701 FIGURE 1. December 2001 © 2001 National Semiconductor Corporation DS006137 www.national.com |
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