MM5486N

LED Display Driver

General Description

The MM5486 is a monolithic MOS integrated circuit utilizing

N-channel metal-gate low-threshold, enhancement mode

and ion-implanted depletion mode devices. It is available in

a 40-pin molded dual-in-line package. The MM5486 is de-

signed to drive common anode-separate cathode LED dis-

plays. A single pin controls the LED display brightness by

setting a reference current through a variable resistor con-

nected to VDD.

Features

 Continuous brightness control

 Serial data input/outut

External load input

 Cascaded operation capability

 Wide power supply operation

 TTL compatibility

 33 outputs, 15 mA sink capability

 Alphanumeric capability

Applications

 COPSTM or microprocessor displays

 Industrial control indicator

 Relay driver

 Digital clock, thermometer, counter, voltmeter

 Instrumentation readouts

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