CD74HC4543 Datasheet, PDF (7/10 Pages) Texas Instruments – High-Speed CMOS Logic BCD to 7-Segment Latch/Decoder/Driver for LCDs

Application Circuits
CD74HC4543
HC4543
OUTPUTS
PH
ONE OF SEVEN
SEGMENTS
COMMON
BACKPLANE
SQUARE WAVE
GND TO V_CC
FIGURE 5. CONNECTION TO LIQUID-CRYSTAL (LCD)
DISPLAY READOUT
APPROPRIATE
VOLTAGE
HC4543
OUTPUT
PH
GND
FIGURE 7. CONNECTION TO GAS-DISCHARGE DISPLAY
READOUT
APPROPRIATE
VOLTAGE
HC4543
OUTPUT
PH
GND
FIGURE 6. CONNECTION TO INCANDESCENT DISPLAY
READOUT
HC4543
OUTPUT
PH
GND
TO FILAMENT
SUPPLY
GND OR APPROPRIATE
VOLTAGE BELOW GND
FIGURE 8. CONNECTION TO FLUORESCENT DISPLAY
READOUT
7