74AUP1G14 Philips Semiconductors, 74AUP1G14 Datasheet - Page 14

• Manufacturer Part Number: 74AUP1G14
• Description: Low-power Schmitt-trigger inverter
• Manufacturer: Philips Semiconductors

Philips Semiconductors
17. Application information
9397 750 14676
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
An example of a relaxation circuit using the 74AUP1G14 is shown in
Fig 11. Typical transfer characteristics; V
ad
P
f
t
t
I
i
r
f
CC(AV)
ad
= input frequency (MHz);
= input fall time (ns); 90 % to 10 %;
= input rise time (ns); 10 % to 90 %;
= f
= additional power dissipation ( W);
i
= average additional supply current ( A).
(t
CC
r
differs with positive or negative input transitions, as shown in
I
CC(AV)
+ t
(mA)
I
CC
f
Rev. 01 — 20 July 2005
4
3
2
1
0
0
I
CC(AV)
)
V
CC
1
where:
CC
= 3.0 V
2
Low-power Schmitt-trigger inverter
V
I
001aad026
(V)
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
3
74AUP1G14
Figure
Figure
13.
12.
14 of 20