參數(shù)資料
型號(hào): MC14544BCL
廠(chǎng)商: MOTOROLA INC
元件分類(lèi): 通用總線(xiàn)功能
英文描述: BCD-to-Seven Segment Latch/Decoder/Driver for Liquid Crystals
中文描述: 4000/14000/40000 SERIES, SEVEN SEGMENT DECODER/DRIVER, CONFIGURABLE OUTPUT, CDIP18
封裝: CERAMIC, DIP-18
文件頁(yè)數(shù): 4/7頁(yè)
文件大?。?/td> 263K
代理商: MC14544BCL
MOTOROLA CMOS LOGIC DATA
MC14544B
4
CONNECTIONS TO VARIOUS DISPLAY READOUTS
LIQUID CRYSTAL (LC) READOUT
LIGHT EMITTING DIODE (LED) READOUT
INCANDESCENT READOUT
NOTE: Bipolar transistors may be added for gain (for VDD
10 V or Iout
10 mA).
GAS DISCHARGE READOUT
SQUARE WAVE
(VSS TO VDD)
COMMON
BACKPLANE
ONE OF SEVEN SEGMENTS
MC14544B
OUTPUT
Ph
MC14544B
OUTPUT
Ph
VSS
APPROPRIATE
VOLTAGE
MC14544B
OUTPUT
Ph
VSS
COMMON
CATHODE LED
COMMON
ANODE LED
VDD
MC14544B
OUTPUT
Ph
VDD
MC14544B
OUTPUT
Ph
APPROPRIATE
VOLTAGE
VSS
TRUTH TABLE
Inputs
Outputs
RBI
LD
BI
Ph*
D
C
B
A
RBO
a
b
c
d
e
f
g
Display
X
1
0
X
1
1
1
0
0
0
0
0
X
0
0
X
0
0
X
0
0
X
0
0
#
1
0
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
0
Blank
Blank
0
X
X
X
1
1
1
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
1
0
0
0
0
1
1
1
1
0
1
0
1
0
1
1
0
1
0
0
0
1
0
1
1
1
2
5
X
X
1
1
0
0
0
0
0
0
0
1
1
0
1
0
0
0
1
0
1
1
1
1
1
0
0
0
0
1
1
1
3
4
X
X
X
1
1
1
0
0
0
0
0
0
0
0
1
1
1
0
1
1
1
0
1
0
0
0
0
1
1
0
0
1
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
6
7
9
Blank
X
X
1
1
0
0
0
0
1
1
0
0
0
0
0
1
0
0
1
1
1
1
1
1
1
1
1
0
1
1
1
1
8
X
X
X
1
1
1
0
0
0
0
0
0
1
1
1
0
1
1
1
0
1
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Blank
Blank
Blank
X
X
1
1
0
0
0
0
1
1
1
1
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Blank
Blank
X
0
0
0
X
X
X
X
#
**
**
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)
相關(guān)PDF資料
PDF描述
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