參數(shù)資料
型號(hào): 4055B
元件分類: 復(fù)位半導(dǎo)體
英文描述: 300mA LDO Linear Regulators with Internal Microprocessor Reset Circuit
中文描述: (331.22十一)
文件頁(yè)數(shù): 10/15頁(yè)
文件大?。?/td> 331K
代理商: 4055B
TYPICAL APLLICATIONS
(continued)
Figure 14 :
Typical3
1
/
2
– Digit–crystal Display: (V
DD
= + 5V, V
SS
=0V,V
EE
=– 10V, DF
N
=30Hz square).
In addition tothelettersL,H,P,andA,fiveother let-
ters can be displayed through the use of simple
logic
circuits
preceding
HCC/HCF4055B
or
HCC/HCF4056B
Fig.13is anexampleofa circuitthat convertsan”H”
display,(code1011) toan”F”display.Onecondition
that must be met is that V
EE
=V
SS
. IfV
EE
V
SS
, the
HCC/HCF4054B
must be used to level shift in the
and
following
the
devices.
appropriate places.Inasimilarmannerthe lettersC,
E, J,andUcanbedisplayed. These circuitscan also
be used to drive LED displays provided the exclu-
sive-OR gates have sufficient output-current drive.
The letters B, D, G, I, O, and Smay be represented
bythecodesfornumbers 8,0,6, 1,0, and 5,respec-
tively, when there is preknowledge that onlyletters
are to be displayed.
HCC/HCF4054B/55B/56B
10/15
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