74HC14DB-T NXP Semiconductors, 74HC14DB-T Datasheet - Page 10
74HC14DB-T
Manufacturer Part Number
74HC14DB-T
Description
Inverters HEX INVERTER SCHMITT TRIGGER
Manufacturer
NXP Semiconductors
Datasheet
1.74HC14DB-T.pdf
(21 pages)
Specifications of 74HC14DB-T
Product Category
Inverters
Rohs
yes
Number Of Circuits
6
Logic Family
HC
Logic Type
CMOS
High Level Output Current
- 5.2 mA
Low Level Output Current
5.2 mA
Propagation Delay Time
125 ns, 25 ns, 21 ns
Supply Voltage - Max
6 V
Supply Voltage - Min
2 V
Maximum Operating Temperature
+ 125 C
Package / Case
SOT-337
Mounting Style
SMD/SMT
Operating Supply Voltage
5 V
Factory Pack Quantity
2000
Part # Aliases
74HC14DB,118
NXP Semiconductors
15. Application information
74HC_HCT14
Product data sheet
Fig 11. Typical 74HCT transfer characteristics
(mA)
a. V
I
1.5
CC
1.2
0.9
0.6
0.3
0
0
CC
= 4.5 V
1
The slow input rise and fall times cause additional power dissipation, this can be
calculated using the following formula:
P
Average I
and
An example of a relaxation circuit using the 74HC14; 74HCT14 is shown in
2
add
P
f
t
t
I
i
r
f
add
= input frequency (MHz);
= fall time (ns); 90 % to 10 %;
= rise time (ns); 10 % to 90 %;
CC(AV)
Figure
= f
= additional power dissipation (W);
i
3
(t
= average additional supply current (A).
CC(AV)
13.
r
I
All information provided in this document is subject to legal disclaimers.
4
CC(AV)
differs with positive or negative input transitions, as shown in
V
mna849
I
(V)
Rev. 6 — 19 September 2012
5
+ t
f
I
CC(AV)
) V
(mA)
I
CC
b. V
1.8
1.5
1.2
0.9
0.6
0.3
CC
0
0
CC
where:
= 5.5 V
1
74HC14; 74HCT14
2
Hex inverting Schmitt trigger
3
4
© NXP B.V. 2012. All rights reserved.
5
mna850
V
Figure
I
(V)
Figure 12
6
14.
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