Features:
Operation of liquid crystals with CMOS
circuits provides ultra-low-pawer displays
Equivalent ac output drive for liquid-
crystal displays — no external capacitor required
= Voltage doubling across display, e.g.
VDD — VEE = 18 V results in effective
36 V pp drive across selected display
segments
Low- or high-output level de drive for
other types of displays
On-chip logic-level conversion for different
input- and output-level swings
Full decoding of all input combinations:
0-9, L, H, P, A~, and blank positions
Strobed-latch function—CD4054B Series
and CD40568 Series
DISPLAY-FREQUENCY (DF) output
for liquid-crystal common-line drive signal—
CCDA4055B Series (CD4054B Series also:
see introductory text)
100% tested for quiescent current at 20 V
Maximum input current of 1 uA at 18 V
over full package temperature range;
100 nA at 18 V and 26°C
= Noise margin (over full package temper-
ature range):
1VatVpp=5V
2VatVpp=10V
25VatVpp=15V or
5-V,10-V, and 15-V parametric ratings