CD74HCT4543 Datasheet, PDF (7/10 Pages) Texas Instruments – BCD-TO-7 SEGMENT LATCH/DECODER/DRIVER

CD74HCT4543
BCD-TO-7 SEGMENT LATCH/DECODER/DRIVER
APPLICATION CIRCUITS
SCHS281A – REVISED MAY 2003
Appropriate
Voltage
HCT4543
Output
PH
One of Seven
Segments
Common
ÉÉÉÉÉÉÉÉÉÉ Backplane
Square Wave:
GND to VCC
Figure 2. Connection to Liquid-Crystal
Display (LCD)
Appropriate
Voltage
HCT4543
Output
PH
GND
Figure 3. Connection to Incandescent
Display
HCT4543
Output
PH
GND
Figure 4. Connection to Gas-Discharge
Display
HCT4543
Output
PH
GND
To Filament
Supply
GND or Appropriate
Voltage Below GND
Figure 5. Connection to Fluorescent Display
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