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MM5486N
LED Display Driver
TL/F/6142
MM5486
LED
Display
Driver
February 1995
MM5486 LED Display Driver
General Description
The MM5486isa monolithic MOS integrated circuit utilizing
N-channel metal-gate low-threshold, enhancement mode
and ion-implanted depletion mode devices.Itis availablein 40-pin molded dual-in-line package. The MM5486isde-
signedto drive common anode-separate cathode LEDdis-
plays.A singlepin controlsthe LED display brightnessby
settinga reference current througha variable resistor con-
nectedto VDD.
Features Continuous brightness control Serial data input/outut External load input Cascaded operation capability Wide power supply operation TTL compatibility33 outputs,15mA sink capability Alphanumeric capability
Applications COPSTMor microprocessor displays Industrial control indicator Relay driver Digital clock, thermometer, counter, voltmeter Instrumentation readouts
Block and Connection Diagrams
TL/F/6142–1
FIGURE1
TL/F/6142–13
OrderNumberMM5486V
SeeNS Package Number V44A
Dual-In-Line Package
TL/F/6142–2
TopView
OrderNumber MM5486N
SeeNS Package Number N40A
FIGURE2
COPSTMis atrademarkof National SemiconductorCorporation.
C1995National SemiconductorCorporation RRD-B30M105/PrintedinU.S.A.
