Datasheet

HEF4543B All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 6 — 17 November 2011 11 of 17
NXP Semiconductors
HEF4543B
BCD to 7-segment latch/decoder/driver
a. common cathode b. common anode
Bipolar transistors may be added for gain where V
DD
 10 V or I
O
 10 mA.
Fig 8. Connection to LED display readout
V
SS
001aae745
HEF4543B
common cathode
LED
output
PH
V
DD
001aae746
HEF4543B
common anode
LED
output
PH
V
DD
Fig 9. Connection to LCD readout Fig 10. Connection to incandescent display readout
001aae747
one of seven
segments
common
back-plane
HEF4543B
output
PH
square wave;
V
SS
to V
DD
V
SS
001aae748
HEF4543B
output
PH
appropriate
voltage
Fig 11. Connection to gas discharge display readout Fig 12. Connection to fluorescent display readout
001aae749
appropriate
voltage
V
SS
HEF4543B
output
PH
V
SS
or appropriate
voltage below V
SS
001aae750
to
filament
supply
V
SS
HEF4543B
output
PH