MC14511_15 Datasheet, PDF (8/9 Pages) Unisonic Technologies – BCD-TO-SEVEN SEGMENT LATCH/DECODER/DRIVER

UTC MC14511
CONNECTIONS TO VARIOUS DISPLAY READOUTS
LIGHT EMITTING DIODE (LED) READOUT
VDD
VDD
CMOS IC
COMMON
CATHODE LED
COMMON
ANODE LED
〜 _〜1.7V
〜 1.7V
～
Vss
Vss
INCANDESCENT READOUT
VDD
VDD
FLUORESCENT READOUT
VDD
**
DIRECT
(LOW BRIGHTNESS)
Vss
GAS DISCHARGE READOUT
APPROPRIATE
VDD
VOLTAGE
FILAMENT
SUPPLY
Vss
Vss OR APPROPRIATE
VOLTAGE BELOW Vss.
(CAUTION: Maximum working voltage=18.0V)
LIQUID CRYSTAL(LCD) READOUT
EXCITATION
VDD
(SQUARE WAVE, Vss TO V DD)
Vss
** A filament pre-warm resistor is recommended to reduce filament
thermal shock and increase the effective cold resistance of the
filament.
1/4 OF MC14070B
Vss
,
Direct dc drive of LCD s not recommended for life of
LCD readouts.
UTC UNISONIC TECHNOLOGIES CO., LTD. 8
QW-R502-021,B