Features:
aOperation of llquld crystals with CMOS circuits provides ultra-low-power displays
■Equivalent ac output drive for liquid-crystal displays-no external capacitor require
=Voltage doubliag across display,e.g.
VDD-VEE*18 V results in effective
36 V p-p drive across selected display segments aLow-or high-output level dc 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-CD4054BE Series and CD4056B Series DISPLAY-FREQUENCY(DF) output for liquid-crystal common-line drive signal--
CD4055B Series (CD4054BE Series also: see introductory text)
·100% tested for quiescent current at 20V
■Maximum input current of 1 uA at 18V over full package temperature range;
100 nA at 18 Vand 250C aNoise margin (over full package temper-
ature range):
1Vat Vpp=5V
2Vat VDD=10V
2.5 Vat Vpp=15V
·5-V,10-V, and 15-V parametric ratings
Applications
aGeneral-purpose displays
■Calculators and meters
aWall and table clocks
■Industrial control panels
■Portable lab instruments
■Panel meters
aAuto dashboard displays
Appliance control panels
Feature
- Operation of liquid crystals with CMOS circuits provides ultra-low-power 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 p-p drive across selected display segments
- Low- or high-output level dc 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 CD4056B Series
- DISPLAY-FREQUENCY (DF) output for liquid-crystal common-line drive signal- CD4055B Series (CD4054B Series also: see introductory text)
- 100% tested for quiescent current at 20 V
- Maximum input current of 1 μA at 18 V over full package-temperature range; 100nA at 18 V and 25°C
- Noise margin (over full package-temperature range):
- 1 V at VDD = 5 V
- 2 V at VDD = 10 V
- 2.5 V at VDD = 15 V
- 5-V, 10-V, and 15-V parametric ratings
- Applications:
- General-purpose displays
- Calculators and meter
- Wall and table clocks
- Industrial control panels
- Portable lab instruments
- Panel meters
- Auto dashboard displays
- Appliance control panels
(Picture: Pinout)
