74AUP2G17 NXP Semiconductors, 74AUP2G17 Datasheet - Page 12

• Manufacturer Part Number: 74AUP2G17
• Description: Low-power dual Schmitt trigger
• Manufacturer: NXP Semiconductors

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NXP Semiconductors
15. Application information
74AUP2G17_2
Product data sheet
The slow input rise and fall times cause additional power dissipation, this can be
calculated using the following formula:
P
Average I
Fig 13. Average I
add
P
f
t
t
i
r
f
I
add
= input frequency (MHz);
= input fall time (ns); 90 % to 10 %;
= input rise time (ns); 10 % to 90 %;
CC(AV)
(1) Positive-going edge.
(2) Negative-going edge.
= f
= additional power dissipation ( W);
i
Linear change of V
specified.
(t
= average additional supply current ( A).
CC(AV)
r
I
CC(AV)
differs with positive or negative input transitions, as shown in
CC
as a function of V
I
(mA)
CC(AV)
Rev. 02 — 10 January 2008
+ t
0.3
0.2
0.1
I
between 0.8 V and 2.0 V. All values given are typical, unless otherwise
0
0.8
f
I
CC(AV)
)
CC
1.8
V
CC
where:
2.8
V
(1)
(2)
CC
Low-power dual Schmitt trigger
001aad027
(V)
3.8
74AUP2G17
© NXP B.V. 2008. All rights reserved.
Figure
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13.