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參數(shù)資料
| 型號： | 935272019125 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 門電路 |
| 英文描述： | LVC/LCX/Z SERIES, 1-INPUT INVERT GATE, PDSO5 |
| 封裝： | PLASTIC, SOT-753, SC-74A, 5 PIN |
| 文件頁數(shù)： | 2/16頁 |
| 文件大?。?/td> | 83K |
| 代理商： | 935272019125 |
2002 May 21
10
Philips Semiconductors
Product specication
Single Schmitt-trigger inverter
74LVC1G14
APPLICATION INFORMATION
The slow input rise and fall times cause additional power
dissipation, this can be calculated using the following
formula:
Pad =fi × (tr × ICC(AV) +tf × ICC(AV)) × VCC where:
Pad = additional power dissipation (W);
fi = input frequency (MHz);
tr = input rise time (ns); 10% to 90%;
tf = input fall time (ns); 90% to 10%;
ICC(AV) = average additional supply current (A).
Average ICC differs with positive or negative input
transitions, as shown in Fig.10.
An example of a relaxation circuit using the 74LVC1G14 is
shown in Fig.11.
Remark to the application information
All values given are typical values unless otherwise
specified.
handbook, halfpage
02
6
12
0
8
6
4
2
10
MNA642
4
VCC (V)
average
ICC
(mA)
negative-going
edge
positive-going
edge
Fig.10 Average ICC for 74LVC1G Schmitt-trigger
devices; linear change of VI between
0.8 to 2.0 V.
Fig.11 Example of a relaxation oscillator.
f
1
T
---
1
0.5
RC
×
-----------------------
≈
=
handbook, halfpage
MNA035
R
C
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