74HC14; 74HCT14
Hex inverting Schmitt trigger
Rev. 8 — 22 May 2020
Product data sheet
1. General description
The 74HC14; 74HCT14 is a hex inverter with Schmitt-trigger inputs. This device features reduced
input threshold levels to allow interfacing to TTL logic levels. Inputs also include clamp diodes, this
enables the use of current limiting resistors to interface inputs to voltages in excess of V
CC
. Schmitt
trigger inputs transform slowly changing input signals into sharply defined jitter-free output signals.
2. Features and benefits
•
•
•
Complies with JEDEC standard no. 7A
Low-power dissipation
ESD protection:
•
HBM JESD22-A114F exceeds 2000 V
•
MM JESD22-A115-A exceeds 200 V
Multiple package options
Specified from -40 °C to +85 °C and from -40 °C to +125 °C
•
•
3. Applications
•
•
•
Wave and pulse shapers
Astable multivibrators
Monostable multivibrators
4. Ordering information
Table 1. Ordering information
Type number
Package
Temperature range
74HC14D
74HCT14D
74HC14DB
74HCT14DB
74HC14PW
74HCT14PW
74HC14BQ
74HCT14BQ
-40 °C to +125 °C
-40 °C to +125 °C
TSSOP14
-40 °C to +125 °C
SSOP14
-40 °C to +125 °C
Name
SO14
Description
plastic small outline package; 14 leads;
body width 3.9 mm
plastic shrink small outline package; 14 leads; body
width 5.3 mm
plastic thin shrink small outline package; 14 leads;
body width 4.4 mm
Version
SOT108-1
SOT337-1
SOT402-1
SOT762-1
DHVQFN14 plastic dual in-line compatible thermal enhanced
very thin quad flat package; no leads; 14 terminals;
body 2.5 × 3 × 0.85 mm
Nexperia
74HC14; 74HCT14
Hex inverting Schmitt trigger
5. Functional diagram
1
2
3
1
3
5
9
11
13
1A
2A
3A
4A
5A
6A
1Y
2Y
3Y
4Y
5Y
6Y
2
4
6
8
4
5
6
9
8
11
10
12
10
13
001aac497
12
A
Y
mna025
mna204
Fig. 1.
Logic symbol
Fig. 2.
IEC logic symbol
Fig. 3.
Logic diagram
(one Schmitt trigger)
6. Pinning information
6.1. Pinning
terminal 1
index area
1Y
2A
2Y
1A
1Y
2A
2Y
3A
3Y
GND
1
2
3
4
5
6
7
001aac498
2
3
4
5
6
7
GND
14 V
CC
1
1A
13 6A
12 6Y
14
GND
(1)
8
11 5A
10 5Y
9
4A
14 V
CC
13 6A
12 6Y
3A
3Y
14
11 5A
10 5Y
9
8
4A
4Y
4Y
001aac499
Transparent top view
Fig. 4.
Pin configuration SOT108-1 (SO14), SOT337-1
(SSOP14) and SOT402-1 (TSSOP14)
(1) This is not a ground pin. There is no electrical or
mechanical requirement to solder the pad. In case
soldered, the solder land should remain floating or
connected to GND.
Fig. 5.
Pin configuration SOT762-1 (DHVQFN14)
74HC_HCT14
All information provided in this document is subject to legal disclaimers.
©
Nexperia B.V. 2020. All rights reserved
Product data sheet
Rev. 8 — 22 May 2020
2 / 18
Nexperia
74HC14; 74HCT14
Hex inverting Schmitt trigger
6.2. Pin description
Table 2. Pin description
Symbol
1A, 2A, 3A, 4A, 5A, 6A
1Y, 2Y, 3Y, 4Y, 5Y, 6Y
GND
V
CC
Pin
1, 3, 5, 9, 11, 13
2, 4, 6, 8, 10, 12
7
14
Description
data input
data output
ground (0 V)
supply voltage
7. Functional description
Table 3. Function table
H = HIGH voltage level; L = LOW voltage level.
Input
nA
L
H
Output
nY
H
L
8. Limiting values
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol Parameter
V
CC
I
IK
I
OK
I
O
I
CC
I
GND
T
stg
P
tot
[1]
[2]
Conditions
V
I
< -0.5 V or V
I
> V
CC
+ 0.5 V
V
O
< -0.5 V or V
O
> V
CC
+ 0.5 V
-0.5 V < V
O
< V
CC
+ 0.5 V
[1]
[1]
Min
-0.5
-
-
-
-
-50
-65
[2]
-
Max
+7
±20
±20
±25
50
-
+150
500
Unit
V
mA
mA
mA
mA
mA
°C
mW
supply voltage
input clamping current
output clamping current
output current
supply current
ground current
storage temperature
total power dissipation
The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
For SOT108-1 (SO14) package: P
tot
derates linearly with 10.1 mW/K above 100 °C.
For SOT337-1 (SSOP14) package: P
tot
derates linearly with 7.3 mW/K above 81 °C.
For SOT402-1 (TSSOP14) package: P
tot
derates linearly with 7.3 mW/K above 81 °C.
For SOT762-1 (DHVQFN14) package: P
tot
derates linearly with 9.6 mW/K above 98 °C.
74HC_HCT14
All information provided in this document is subject to legal disclaimers.
©
Nexperia B.V. 2020. All rights reserved
Product data sheet
Rev. 8 — 22 May 2020
3 / 18
Nexperia
74HC14; 74HCT14
Hex inverting Schmitt trigger
9. Recommended operating conditions
Table 5. Recommended operating conditions
Voltages are referenced to GND (ground = 0 V)
Symbol Parameter
V
CC
V
I
V
O
T
amb
supply voltage
input voltage
output voltage
ambient temperature
Conditions
Min
2.0
0
0
-40
74HC14
Typ
5.0
-
-
+25
Max
6.0
V
CC
V
CC
+125
Min
4.5
0
0
-40
74HCT14
Typ
5.0
-
-
+25
Max
5.5
V
CC
V
CC
+125
V
V
V
°C
Unit
10. Static characteristics
Table 6. Static characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
T
amb
= 25 °C
Min
74HC14
V
OH
HIGH-level
output voltage
V
I
= V
T+
or V
T-
I
O
= -20 μA; V
CC
= 2.0 V
I
O
= -20 μA; V
CC
= 4.5 V
I
O
= -20 μA; V
CC
= 6.0 V
I
O
= -4.0 mA; V
CC
= 4.5 V
I
O
= -5.2 mA; V
CC
= 6.0 V
V
OL
LOW-level
output voltage
V
I
= V
T+
or V
T-
I
O
= 20 μA; V
CC
= 2.0 V
I
O
= 20 μA; V
CC
= 4.5 V
I
O
= 20 μA; V
CC
= 6.0 V
I
O
= 4.0 mA; V
CC
= 4.5 V
I
O
= 5.2 mA; V
CC
= 6.0 V
I
I
I
CC
C
I
input leakage
current
supply current
input
capacitance
V
I
= V
CC
or GND; V
CC
= 6.0 V
V
I
= V
CC
or GND; I
O
= 0 A;
V
CC
= 6.0 V
-
-
-
-
-
-
-
-
0
0
0
0.15
0.16
-
-
3.5
0.1
0.1
0.1
0.26
0.26
±0.1
2.0
-
-
-
-
-
-
-
-
-
0.1
0.1
0.1
0.33
0.33
±1.0
20
-
-
-
-
-
-
-
-
-
0.1
0.1
0.1
0.4
0.4
±1.0
40
-
V
V
V
V
V
μA
μA
pF
1.9
4.4
5.9
3.98
5.48
2.0
4.5
6.0
4.32
5.81
-
-
-
-
-
1.9
4.4
5.9
3.84
5.34
-
-
-
-
-
1.9
4.4
5.9
3.7
5.2
-
-
-
-
-
V
V
V
V
V
Typ
Max
T
amb
= -40 °C
to +85 °C
Min
Max
T
amb
= -40 °C Unit
to +125 °C
Min
Max
74HC_HCT14
All information provided in this document is subject to legal disclaimers.
©
Nexperia B.V. 2020. All rights reserved
Product data sheet
Rev. 8 — 22 May 2020
4 / 18
Nexperia
74HC14; 74HCT14
Hex inverting Schmitt trigger
Conditions
T
amb
= 25 °C
Min
Typ
Max
T
amb
= -40 °C
to +85 °C
Min
Max
T
amb
= -40 °C Unit
to +125 °C
Min
Max
Symbol Parameter
74HCT14
V
OH
HIGH-level
output voltage
V
I
= V
T+
or V
T-
; V
CC
= 4.5 V
I
O
= -20 μA
I
O
= -4.0 mA
V
OL
LOW-level
output voltage
V
I
= V
T+
or V
T-
; V
CC
= 4.5 V
I
O
= 20 μA;
I
O
= 4.0 mA;
I
I
I
CC
ΔI
CC
input leakage
current
supply current
additional
supply current
input
capacitance
V
I
= V
CC
or GND; V
CC
= 5.5 V
V
I
= V
CC
or GND; I
O
= 0 A;
V
CC
= 5.5 V
per input pin; V
I
= V
CC
- 2.1 V;
other pins at V
CC
or GND;
I
O
= 0 A; V
CC
= 4.5 V to 5.5 V
-
-
-
-
-
0
0.15
-
-
30
0.1
0.26
±0.1
2.0
108
-
-
-
-
-
0.1
0.33
±1.0
20
135
-
-
-
-
-
0.1
0.4
±1.0
40
147
V
V
μA
μA
μA
4.4
3.98
4.5
4.32
-
-
4.4
3.84
-
-
4.4
3.7
-
-
V
V
C
I
-
3.5
-
-
-
-
-
pF
11. Dynamic characteristics
Table 7. Dynamic characteristics
GND = 0 V; C
L
= 50 pF; for test circuit see
Fig. 7.
Symbol Parameter
Conditions
T
amb
= 25 °C
Min
74HC14
t
pd
propagation
delay
nA to nY; see
Fig. 6
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 5.0 V; C
L
= 15 pF
V
CC
= 6.0 V
t
t
transition time see
Fig. 6
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
C
PD
power
dissipation
capacitance
per package; V
I
= GND to V
CC
[3]
[2]
-
-
-
-
19
7
6
7
75
15
13
-
-
-
-
-
95
19
15
-
-
-
-
-
110
22
19
-
ns
ns
ns
pF
[1]
-
-
-
-
41
15
12
12
125
25
-
21
-
-
-
-
155
31
-
26
-
-
-
-
190
38
-
32
ns
ns
ns
ns
Typ
Max
T
amb
= -40 °C
to +85 °C
Min
Max
T
amb
= -40 °C Unit
to +125 °C
Min
Max
74HC_HCT14
All information provided in this document is subject to legal disclaimers.
©
Nexperia B.V. 2020. All rights reserved
Product data sheet
Rev. 8 — 22 May 2020
5 / 18
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