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MM5450 Datasheet(PDF) 1 Page - Microchip Technology |
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MM5450 Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 20 page  2016 Microchip Technology Inc. DS20005651A-page 1 MM5450/51 Features • Continuous Brightness Control • Serial Data Input • No Load Signal Requirement • Enable (MM5450 Only) • Wide Power Supply Operation • TTL Compatibility • 34 or 35 Outputs, 15 mA Capability • Alphanumeric Capability Applications • Industrial Control Indicator • Relay Driver • Digital Clock, Thermometer, Counter, Voltmeter • Instrumentation Readouts General Description The MM5450 and MM5451 LED display drivers are monolithic MOS IC’s fabricated in an N-Channel, metal-gate process. The technology produces low-threshold, enhancement-mode, and ion-implanted depletion-mode devices. A single pin controls the LED display brightness by setting a reference current through a variable resistor connected to the supply. Block Diagram 35 OUTPUT BUFFERS 35 LATCHES 35-BIT SHIFT REGISTER LOAD RESET RESET (only available in die form) SERIAL DATA 22 CLOCK 21 DATA ENABLE/OUT 35 (See Note 1) 23 19 20 24 OUT 34 18 OUT 1 1 BRIGHTNESS CONTROL VDD Note 1: Pin in Data Enable in MM5450 Pin in Output 25 in MM5451 LED Display Driver |
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Similar Description - MM5450 |
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