HEF4543B 데이터 시트보기 (PDF) - NXP Semiconductors.

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HEF4543B

BCD to 7-segment latch/decoder/driver

NXP Semiconductors. 

NXP Semiconductors

HEF4543B

BCD to 7-segment latch/decoder/driver

HEF4543B

output

PH

VSS

common cathode

LED

HEF4543B

output

PH

001aae745

VDD

a. common cathode

b. common anode

Bipolar transistors may be added for gain where VDD ≤ 10 V or IO ≥ 10 mA.

Fig 8. Connection to LED display readout

VDD common anode

LED

001aae746

appropriate

voltage

HEF4543B

output

PH

one of seven

segments

common

back-plane

square wave;

VSS to VDD

001aae747

Fig 9. Connection to LCD readout

HEF4543B

output

PH

VSS

001aae748

Fig 10. Connection to incandescent display readout

appropriate

voltage

HEF4543B

output

PH

VSS

001aae749

Fig 11. Connection to gas discharge display readout

HEF4543B

output

PH

VSS

to

filament

supply

VSS or appropriate

voltage below VSS

001aae750

Fig 12. Connection to fluorescent display readout

HEF4543B_5

Product data sheet

Rev. 05 — 27 October 2009

© NXP B.V. 2009. All rights reserved.

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