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What is 74HC14?

This electronic component, produced by the manufacturer "NXP Semiconductors", performs the same function as "Hex inverting Schmitt trigger".


74HC14 Datasheet PDF - NXP Semiconductors

Part Number 74HC14
Description Hex inverting Schmitt trigger
Manufacturers NXP Semiconductors 
Logo NXP Semiconductors Logo 


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74HC14; 74HCT14
Hex inverting Schmitt trigger
Rev. 7 — 19 November 2015
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 VCC. 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

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74HC14 equivalent
NXP Semiconductors
74HC14; 74HCT14
Hex inverting Schmitt trigger
10. Static characteristics
Table 6. Static characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions
Tamb = 25 C
Tamb = 40 C
to +85 C
Min Typ Max Min Max
74HC14
VOH HIGH-level VI = VT+ or VT
output voltage IO = 20 A; VCC = 2.0 V
1.9 2.0
-
1.9
-
IO = 20 A; VCC = 4.5 V 4.4 4.5 -
4.4
-
IO = 20 A; VCC = 6.0 V 5.9 6.0 -
5.9
-
IO = 4.0 mA; VCC = 4.5 V 3.98 4.32 -
3.84
-
IO = 5.2 mA; VCC = 6.0 V 5.48 5.81 -
5.34
-
VOL LOW-level VI = VT+ or VT
output voltage IO = 20 A; VCC = 2.0 V
- 0 0.1 -
0.1
IO = 20 A; VCC = 4.5 V
- 0 0.1 -
0.1
IO = 20 A; VCC = 6.0 V
- 0 0.1 -
0.1
IO = 4.0 mA; VCC = 4.5 V
- 0.15 0.26 -
0.33
IO = 5.2 mA; VCC = 6.0 V
- 0.16 0.26 -
0.33
II
input leakage VI = VCC or GND; VCC = 6.0 V -
- ±0.1 -
±1.0
current
ICC supply current VI = VCC or GND; IO = 0 A; - - 2.0 -
VCC = 6.0 V
CI input
capacitance
- 3.5 -
-
20
-
74HCT14
VOH
HIGH-level
VI = VT+ or VT; VCC = 4.5 V
output voltage IO = 20 A
4.4 4.5 -
4.4
-
IO = 4.0 mA
3.98 4.32 - 3.84
-
VOL LOW-level VI = VT+ or VT; VCC = 4.5 V
output voltage IO = 20 A;
- 0 0.1 -
0.1
IO = 4.0 mA;
- 0.15 0.26 -
0.33
II
input leakage VI = VCC or GND; VCC = 5.5 V -
- ±0.1 -
±1.0
current
ICC
ICC
CI
supply current
additional
supply current
input
capacitance
VI = VCC or GND; IO = 0 A;
VCC = 5.5 V
per input pin;
VI = VCC 2.1 V; other pins
at VCC or GND; IO = 0 A;
VCC = 4.5 V to 5.5 V
- - 2.0 -
- 30 108 -
- 3.5 -
-
20
135
-
Tamb = 40 C
to +125 C
Min Max
Unit
1.9 - V
4.4 - V
5.9 - V
3.7 - V
5.2 - V
- 0.1 V
- 0.1 V
- 0.1 V
- 0.4 V
- 0.4 V
- ±1.0 A
- 40 A
- - pF
4.4 - V
3.7 - V
- 0.1 V
- 0.4 V
- ±1.0 A
- 40 A
- 147 A
- - pF
74HC_HCT14
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 7 — 19 November 2015
© NXP Semiconductors N.V. 2015. All rights reserved.
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74HC14 Pinout


1. inverting Schmitt trigger - Philips

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