MC14544BCP Просмотр технического описания (PDF) - Motorola => Freescale
Номер в каталоге
Компоненты Описание
производитель
MC14544BCP Datasheet PDF : 7 Pages
| |||
CONNECTIONS TO VARIOUS DISPLAY READOUTS
LIQUID CRYSTAL (LC) READOUT
MC14544B
OUTPUT
Ph
ONE OF SEVEN SEGMENTS
COMMON
BACKPLANE
INCANDESCENT READOUT
APPROPRIATE
VOLTAGE
SQUARE WAVE
(VSS TO VDD)
MC14544B
OUTPUT
Ph
VSS
LIGHT EMITTING DIODE (LED) READOUT
MC14544B
OUTPUT
Ph
COMMON
CATHODE LED
VSS
COMMON
VDD
ANODE LED
MC14544B
OUTPUT
Ph
VDD
v NOTE: Bipolar transistors may be added for gain (for VDD 10 V or Iout ≥ 10 mA).
GAS DISCHARGE READOUT
APPROPRIATE
VOLTAGE
MC14544B
OUTPUT
Ph
VSS
Inputs
TRUTH TABLE
Outputs
RBI LD BI Ph* D C B A RBO a b c d e f g Display
X X 1 0 X X X X # 0 0 0 0 0 0 0 Blank
1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 Blank
0 1 0 0 0000 0 1111110
0
X 1 0 0 0001 0 0110000
1
X 1 0 0 0010 0 1101101
2
X 1 0 0 0011 0 1111001
3
X 1 0 0 0100 0 0110011
4
X 1 0 0 0101 0 1011011
5
X 1 0 0 0110 0 1011111
6
X 1 0 0 0111 0 1100000
7
X 1 0 0 1000 0 1111111
8
X 1 0 0 1001 0 1111011
9
X 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 Blank
X 1 0 0 1 0 1 1 0 0 0 0 0 0 0 0 Blank
X 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 Blank
X 1 0 0 1 1 0 1 0 0 0 0 0 0 0 0 Blank
X 1 0 0 1 1 1 0 0 0 0 0 0 0 0 0 Blank
X 1 0 0 1 1 1 1 0 0 0 0 0 0 0 0 Blank
X 0 0 0 XXXX #
† †† 1
†
†
**
Inverse of Output
Combinations Above
**
Display
as above
X = Don’t Care
†Above Combinations
* For liquid crystal readouts, apply a square wave
to Ph. For common cathode LED readouts, select
Ph = 0. For common anode LED readouts, select
Ph = 1.
** Depends upon the BCD Code previously applied
when LD = 1.
# RBO = RBI (A B C D)
MC14544B
4
MOTOROLA CMOS LOGIC DATA
Share Link: 