M5451B7 datasheet(1/12 Pages) STMICROELECTRONICS

Il numero della parte	M5451B7

Spiegazioni elettronici	LED DISPLAY DRIVERS

PDF	12 Pages

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Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

Homepage	http://www.st.com

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April 2004

M5450

M5451

LED DISPLAY DRIVERS

REV. 2

FEATURES SUMMARY

■ M5450 34 OUTPUTS/15mA SINK

■ M5451 35 OUTPUTS/15mA SINK

■ CURRENT GENERATOR OUTPUTS (NO

EXTERNAL RESISTORS REQUIRED)

■ CONTINUOUS BRIGHTNESS CONTROL

■ SERIAL DATA INPUT

■ ENABLE (ON M5450)

■ WIDE SUPPLY VOLTAGE OPERATION

■ TTL COMPATIBILITY

Application Examples:

■ MICROPROCESSOR DISPLAYS

■ INDUSTRIAL CONTROL INDICATOR

■ RELAY DRIVER

■ INSTRUMENTATION READOUTS

DESCRIPTION

The M5450 and M5451 are monolithic MOS inte-

grated circuits produced with an N-channel silicon

gate technology. They are available in 40-pin dual

in-line plastic packages.

A single pin controls the LED display brightness by

setting a reference current through a variable re-

sistor connected to VDD or to a separate supply of

13.2V maximum.

Figure 1. Packages

1

40

PLCC44

(Plastic Chip Carrier)

PDIP40

(Plastic Package)

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