MC14513BCP Просмотр технического описания (PDF) - Motorola => Freescale

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MC14513BCP

BCD-To-Seven Segment Latch/Decoder/Driver

Motorola => Freescale 

CONNECTIONS TO VARIOUS DISPLAY READOUTS

LIGHT EMITTING DIODE (LED) READOUT

VDD

VDD

COMMON

CATHODE LED

COMMON

ANODE LED

≈ 1.7 V

≈ 1.7 V

VSS

INCANDESCENT READOUT

VDD

VDD

VSS

FLUORESCENT READOUT

VDD

**

DIRECT

(LOW BRIGHTNESS)

VSS

GAS DISCHARGE READOUT

APPROPRIATE

VDD

VOLTAGE

FILAMENT

(SUPPLY)

VSS

VSS OR APPROPRIATE

VOLTAGE BELOW VSS.

LIQUID CRYSTAL (LC) READOUT

EXCITATION

(SQUARE WAVE,

VDD

VSS TO VDD)

VSS

** A filament pre–warm resistor is recommended to reduce

filament thermal shock and increase the effective cold

resistance of the filament.

MOTOROLA CMOS LOGIC DATA

1/4 OF MC14070B

VSS

Direct dc drive of LC’s not recommended for life of LC readouts.

MC14513B

381

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