MM5450 MM5451 LED Display Drivers February 1995 MM5450 MM5451 LED Display Drivers General Description The MM5450 and MM5451 are monolithic MOS integrated circuits utilizing N-channel metal-gate low threshold enhancement mode and ion-implanted depletion mode devices They are available in 40-pin molded or cavity dual-in-line packages The MM5450 MM5451 is designed to drive common anode-separate cathode LED displays A single pin controls the LED display brightness by setting a reference current through a variable resistor connected to VDD Features Y Y Y Y Y Y Y Y Y Applications Y Y Y Y Y COPSTM or microprocessor displays Industrial control indicator Relay driver Digital clock thermometer co...

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