MM5486 National, MM5486 Datasheet

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MM5486

Manufacturer Part Number
MM5486
Description
LED Display Driver
Manufacturer
National
Datasheet

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C 1995 National Semiconductor Corporation
MM5486 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 V
Features
Y
Y
Block and Connection Diagrams
COPS
Continuous brightness control
Serial data input outut
TM
is a trademark of National Semiconductor Corporation
DD
See NS Package Number V44A
Order Number MM5486V
FIGURE 1
TL F 6142
TL F 6142 – 13
TL F 6142 – 1
Y
Y
Y
Y
Y
Y
Applications
Y
Y
Y
Y
Y
External load input
Cascaded operation capability
Wide power supply operation
TTL compatibility
33 outputs 15 mA sink capability
Alphanumeric capability
COPS
Industrial control indicator
Relay driver
Digital clock thermometer counter voltmeter
Instrumentation readouts
TM
or microprocessor displays
See NS Package Number N40A
Order Number MM5486N
Dual-In-Line Package
FIGURE 2
Top View
RRD-B30M105 Printed in U S A
February 1995
TL F 6142 – 2

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MM5486 Summary of contents

Page 1

... MM5486 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- ...

Page 2

... Absolute Maximum Ratings If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Voltage at Any Pin V SS Operating Temperature b Storage Temperature Electrical Characteristics T within operating range V 4 75V ...

Page 3

... Functional Description The MM5486 is specifically designed to operate four-digit alphanumeric displays with minimal interface with the dis- play and the data source Serial data transfer from the data source to the display driver is accomplished with 3 signals serial data clock and load The data bits are latched by a ...

Page 4

Typical Applications TL F 6142– 6 FIGURE FIGURE 9 Constant Current Brightness Control FIGURE 10 Brightness Control Varying the Duty Cycle TL F 6142 – 7 FIGURE 6142 – ...

Page 5

... Typical Applications (Continued) Basic Electronically Tuned Radio System This driver has 7 segments only Duplexing 8 Digits with One MM5486 6142 – 6142 – 12 ...

Page 6

6 ...

Page 7

... Physical Dimensions inches (millimeters) Molded Dual-In-Line Package (N) Order Number MM5486 NS Package Number N40A 7 ...

Page 8

... National does not assume any responsibility for use of any circuitry described no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications 44-Lead Plastic Chip Carrier (V) Order Number MM5486V NS Package Number V44A 2 A critical component is any component of a life ...

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