MC14511B データシートの表示（PDF） - Motorola => Freescale

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MC14511B

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.

(CAUTION: Maximum working voltage = 18.0 V)

LIQUID CRYSTAL (LCD) READOUT

EXCITATION

(SQUARE WAVE,

VDD

VSS TO VDD)

1/4 OF MC14070B

VSS

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

thermal shock and increase the effective cold resistance of the

filament.

VSS

Direct dc drive of LCD’s not recommended for life of

LCD readouts.

MOTOROLA CMOS LOGIC DATA

MC14511B

365

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