參數(shù)資料
型號(hào): HCF4543
廠商: 意法半導(dǎo)體
英文描述: Octal Bus Transceivers With 3-State Outputs 20-CDIP -55 to 125
中文描述: BCD碼到7段鎖存/譯碼器/液晶驅(qū)動(dòng)
文件頁數(shù): 3/12頁
文件大小: 272K
代理商: HCF4543
TRUTH TABLE
INPUT CODE
Ph*
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
OUTPUT STATE
c
d
0
0
1
1
1
0
0
1
1
1
1
0
1
1
1
1
1
0
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
**
Inverse of Output
Combinations
Above
DISPLAY
CHARACTER
LD
X
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
BI
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
D
X
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
X
C
X
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
X
B
X
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
X
A
X
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
X
a
0
1
0
1
1
0
1
1
1
1
1
0
0
0
0
0
0
b
0
1
1
1
1
1
0
0
1
1
1
0
0
0
0
0
0
e
0
1
0
1
0
0
0
1
0
1
0
0
0
0
0
0
0
f
0
1
0
0
0
1
1
1
0
1
1
0
0
0
0
0
0
g
0
0
0
1
1
1
1
1
0
1
1
0
0
0
0
0
0
0
1
2
3
4
5
6
7
8
9
Blank
Blank
Blank
Blank
Blank
Blank
**
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.
HCC/HCF4543B
3/12
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