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參數(shù)資料
| 型號： | 74LV14 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Hex inverting Schmitt-trigger |
| 中文描述： | 六角反相施密特觸發(fā)器 |
| 文件頁數(shù)： | 7/12頁 |
| 文件大?。?/td> | 113K |
| 代理商： | 74LV14 |
Philips Semiconductors
Product specification
74LV14
Hex inverting Schmitt-trigger
1998 Apr 20
7
APPLICATION INFORMATION
The slow input rise and fall times cause additional power dissipation,
this can be calculated using the following formula:
P
ad
= f
i
×
(t
r
×
I
CCa
+ t
f
×
I
CCa
)
×
V
CC
.
Where:
P
ad
f
i
t
r
t
f
I
CCa
Average I
CCa
differs with positive or negative input transitions, as
shown in Figure 7.
= additional power dissipation ( W)
= input frequency (MHz)
= input rise time (ns); 10% – 90%
= input fall time (ns); 10% – 90%
= average additional supply current ( A)
SV00431
1.0
0
25
50
75
average
ICC
( A)
VCC(V)
100
1.5
2.0
2.5
3.0
negatiedge
positiedge
Figure 7. Average I
CC
for LV Schmitt-trigger devices; linear
change of V
I
between 0.1 V
CC
to 0.9 V
CC
.
SV00433
R
C
Figure 8. Relaxation oscillator using the LV14.
Note to application information:
All values given are typical unless otherwise specified.
Note to Figure 8
1
T
0.8
RC
f
1
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| 74LV14A | 制造商:TI 制造商全稱:Texas Instruments 功能描述:HEX SCHMITT-TRIGGER INVERTERS |
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