Datasheet

CD74HCT4543
BCD-TO-7 SEGMENT LATCH/DECODER/DRIVER
SCHS281A – REVISED MAY 2003
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION CIRCUITS
One of Seven
Segments
Common
Backplane
HCT4543
Output
PH
Square Wave:
GND to V
CC
Figure 2. Connection to Liquid-Crystal
Display (LCD)
HCT4543
Output
PH
Figure 3. Connection to Incandescent
Display
Appropriate
Voltage
GND
HCT4543
Output
PH
Appropriate
Voltage
GND
Figure 4. Connection to Gas-Discharge
Display
HCT4543
Output
PH
GND or Appropriate
Voltage Below GND
GND
Figure 5. Connection to Fluorescent Display
To Filament
Supply