HEF4543B(2016) 查看數據表（PDF） - NXP Semiconductors.
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HEF4543B Datasheet PDF : 16 Pages
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Nexperia
HEF4543B
BCD to 7-segment latch/decoder/driver
6. Functional description
Table 3. Function table [1]
Inputs
Outputs
LE BL PH [2] D3 D2 D1 D0 Qa Qb Qc Qd Qe Qf
X
H
L
X
X
X
X
L
L
L
L
L
L
H
L
L
L
L
L
L
H
H
H
H
H
H
H
L
L
L
L
L
H
L
H
H
L
L
L
H
L
L
L
L
H
L
H
H
L
H
H
L
H
L
L
L
L
H
H
H
H
H
H
L
L
H
L
L
L
H
L
L
L
H
H
L
L
H
H
L
L
L
H
L
H
H
L
H
H
L
H
H
L
L
L
H
H
L
H
L
H
H
H
H
H
L
L
L
H
H
H
H
H
H
L
L
L
H
L
L
H
L
L
L
H
H
H
H
H
H
H
L
L
H
L
L
H
H
H
H
H
L
H
H
L
L
H
L
H
X
L
L
L
L
L
L
H
L
L
H
H
X
X
L
L
L
L
L
L
L
L
L
X
X
X
X
n.c.
as above
H
as above
inverse of above
[1] H = HIGH voltage level; L = LOW voltage level; X = don’t care; n.c. = no change.
[2] For liquid crystal displays, apply a square-wave to PH;
For common cathode LED displays, select PH = LOW;
For common anode LED displays, select PH = HIGH.
Display
Qg
L
blank
L
0
L
1
H
2
H
3
H
4
H
5
H
6
L
7
H
8
H
9
L
blank
L
blank
n.c
as above
Fig 4. Seven segment digital display with segment designation
7. Limiting values
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
Conditions
VDD
supply voltage
VI
input voltage
II/O
input/output current
Tstg
storage temperature
D
IJ E
H
F
G
DDM
Min
Max Unit
0.5
+18
V
0.5
-
VDD + 0.5 V
10
mA
65
+150 C
HEF4543B
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 7 — 1 April 2016
© Nexperia B.V. 2017. All rights reserved
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