74AHCT1G14GV [NEXPERIA]

Inverting Schmitt triggerProduction;


型号：	74AHCT1G14GV
厂家：	Nexperia
描述：	Inverting Schmitt triggerProduction 光电二极管逻辑集成电路
文件：	总14页 (文件大小：256K)
中文：	中文翻译
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74AHC1G14; 74AHCT1G14

Inverting Schmitt trigger

Rev. 10 — 12 January 2022

Product data sheet

1. General description

The 74AHC1G14 and 74AHCT1G14 are single inverters with Schmitt-trigger inputs. Inputs are

overvoltage tolerant. This feature allows the use of these devices as translators in mixed voltage

environments.

The AHC device has CMOS input switching levels and supply voltage range 2 V to 5.5 V.

The AHCT device has TTL input switching levels and supply voltage range 4.5 V to 5.5 V.

2. Features and benefits

•

Wide supply voltage range from 2.0 V to 5.5 V

•

Overvoltage tolerant inputs to 5.5 V

CMOS low power dissipation

Symmetrical output impedance

High noise immunity

Latch-up performance exceesds 100 mA per JESD78 Class II Level A

ESD protection:

•

HBM JESD22-A114E: exceeds 2000 V

MM JESD22-A115-A: exceeds 200 V

CDM JESD22-C101C: exceeds 1000 V

•

Specified 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 Name

Description

Version

74AHC1G14GW

74AHCT1G14GW

74AHC1G14GV

74AHCT1G14GV

-40 °C to +125 °C

TSSOP5

plastic thin shrink small outline package;

5 leads; body width 1.25 mm

SOT353-1

-40 °C to +125 °C

SC-74A

plastic surface-mounted package; 5 leads

SOT753

Nexperia

74AHC1G14; 74AHCT1G14

Inverting Schmitt trigger

5. Marking

Table 2. Marking codes

Type number

Marking code[1]

74AHC1G14GW

74AHCT1G14GW

74AHC1G14GV

74AHCT1G14GV

A14

C14

[1] The pin 1 indicator is located on the lower left corner of the device, below the marking code.

6. Functional diagram

mna023

mna024

mna025

Fig. 1. Logic symbol

Fig. 2. IEC logic symbol

Fig. 3. Logic diagram

7. Pinning information

7.1. Pinning

74AHC1G14

74AHCT1G14

n.c.

GND

001aaf087

Fig. 4. Pin configuration SOT353-1 (TSSOP5) and SOT753 (SC-74A)

7.2. Pin description

Table 3. Pin description

Symbol

n.c.

Description

not connected

data input

GND

ground (0 V)

data output

V_CC

supply voltage

74AHC_AHCT1G14

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 10 — 12 January 2022

2 / 14

Nexperia

74AHC1G14; 74AHCT1G14

Inverting Schmitt trigger

8. Functional description

Table 4. Function table

H = HIGH voltage level; L = LOW voltage level

Input

Output

9. Limiting values

Table 5. Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134).

Symbol

V_CC

V_I

Parameter

Conditions

Min

-0.5

-20

Max

+7.0

Unit

supply voltage

input voltage

I_IK

input clamping current

output clamping current

output current

V_I< -0.5 V

°C

I_OK

V_O< -0.5 V or V_O> V_CC+ 0.5 V

-0.5 V < V_O< V_CC+ 0.5 V

[1]

[2]

±20

±25

I_O

I_CC

supply current

I_GND

T_stg

P_tot

ground current

-75

-65

storage temperature

total power dissipation

+150

250

T_amb= -40 °C to +125 °C

[1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed.

[2] For SOT353-1 (TSSOP5) package: P_totderates linearly with 3.3 mW/K above 74 °C.

For SOT753 (SC-74A) package: P_totderates linearly with 3.8 mW/K above 85 °C.

10. Recommended operating conditions

Table 6. Recommended operating conditions

Voltages are referenced to GND (ground = 0 V).

Symbol Parameter

Conditions

74AHC1G14

74AHCT1G14

Unit

Min

2.0

Typ

5.0

Max

5.5

Min

4.5

Typ

5.0

Max

5.5

V_CC

V_I

supply voltage

input voltage

5.5

V_O

output voltage

ambient temperature

V_CC

+125

V_CC

T_amb

-40

+25

-40

+25

+125 °C

74AHC_AHCT1G14

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Product data sheet

Rev. 10 — 12 January 2022

3 / 14

Nexperia

74AHC1G14; 74AHCT1G14

Inverting Schmitt trigger

11. Static characteristics

Table 7. Static characteristics

Voltages are referenced to GND (ground = 0 V).

Symbol Parameter

Conditions

25 °C

Min Typ Max

-40 °C to +85 °C -40 °C to +125 °C Unit

Min

Max

Min

Max

74AHC1G14

V_OH

HIGH-level

V_I= V_T+or V_T-

output voltage

I_O= -50 μA; V_CC= 2.0 V

I_O= -50 μA; V_CC= 3.0 V

I_O= -50 μA; V_CC= 4.5 V

1.9

2.9

4.4

2.0

3.0

4.5

1.9

2.9

1.9

2.9

4.4

I_O= -4.0 mA; V_CC= 3.0 V 2.58

I_O= -8.0 mA; V_CC= 4.5 V 3.94

V_I= V_T+or V_T-

2.48

3.8

2.40

3.70

V_OL

LOW-level

output voltage

I_O= 50 μA; V_CC= 2.0 V

I_O= 50 μA; V_CC= 3.0 V

I_O= 50 μA; V_CC= 4.5 V

I_O= 4.0 mA; V_CC= 3.0 V

I_O= 8.0 mA; V_CC= 4.5 V

0.1

0.36

0.1

0.44

1.0

0.55

2.0

I_I

input leakage V_I= 5.5 V or GND;

current V_CC= 0 V to 5.5 V

μA

I_CC

C_I

supply current V_I= V_CCor GND; I_O= 0 A;

V_CC= 5.5 V

1.0

μA

input

1.5

capacitance

74AHCT1G14

V_OHHIGH-level

V_I= V_T+or V_T-; V_CC= 4.5 V

I_O= -50 μA

output voltage

4.4

4.5

4.4

3.8

4.4

I_O= -8.0 mA

3.94

3.70

V_OL

LOW-level

output voltage

V_I= V_T+or V_T-; V_CC= 4.5 V

I_O= 50 μA

0.1

0.36

0.1

0.44

1.0

0.1

0.55

2.0

I_O= 8.0 mA

I_I

input leakage V_I= 5.5 V or GND;

current V_CC= 0 V to 5.5 V

μA

I_CC

ΔI_CC

supply current V_I= V_CCor GND; I_O= 0 A;

V_CC= 5.5 V

1.0

μA

additional

per input pin; V_I= 3.4 V;

1.35

1.5

supply current other inputs at V_CCor GND;

I_O= 0 A; V_CC= 5.5 V

C_I

input

1.5

capacitance

74AHC_AHCT1G14

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Product data sheet

Rev. 10 — 12 January 2022

4 / 14

Nexperia

74AHC1G14; 74AHCT1G14

Inverting Schmitt trigger

11.1. Transfer characteristics

Table 8. Transfer characteristics

At recommended operating conditions; voltages are referenced to GND (ground = 0 V). See Fig. 5 and Fig. 6.

Symbol Parameter

Conditions

25 °C

-40 °C to +85 °C -40 °C to +125 °C Unit

Min Typ Max

Min

Max

Min

Max

74AHC1G14

V_T+

V_T-

V_H

positive-going

threshold

voltage

V_CC= 3.0 V

2.2

3.15

3.85

2.2

3.15

3.85

2.2

3.15

3.85

V_CC= 4.5 V

V_CC= 5.5 V

V_CC= 3.0 V

V_CC= 4.5 V

V_CC= 5.5 V

V_CC= 3.0 V

V_CC= 4.5 V

V_CC= 5.5 V

negative-going

threshold

voltage

0.9

1.35

1.65

0.3

0.4

0.5

0.9

1.35

1.65

0.3

0.4

0.5

0.9

1.35

1.65

0.25

0.35

0.45

hysteresis

voltage

1.2

1.4

1.6

1.2

1.4

1.6

1.2

1.4

1.6

74AHCT1G14

V_T+

V_T-

V_H

positive-going

threshold

voltage

V_CC= 4.5 V

V_CC= 5.5 V

2.0

negative-going

threshold

voltage

V_CC= 4.5 V

V_CC= 5.5 V

0.5

0.6

0.5

0.6

0.5

0.6

hysteresis

voltage

V_CC= 4.5 V

V_CC= 5.5 V

0.4

1.4

1.6

0.4

1.4

1.6

0.35

1.4

1.6

11.2. Transfer characteristic waveforms

T+

T-

T+

T-

mna026

mna027

Fig. 5. Transfer characteristic

Fig. 6. The definitions of V_T+, V_T-and V_H

74AHC_AHCT1G14

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Product data sheet

Rev. 10 — 12 January 2022

5 / 14

Nexperia

74AHC1G14; 74AHCT1G14

Inverting Schmitt trigger

mna401

mna402

1.5

(mA)

0.5

V (V)

Fig. 7. Typical 74AHC1G14 transfer characteristics;

V_CC= 3.0 V

Fig. 8. Typical 74AHC1G14 transfer characteristics;

V_CC= 4.5 V

mna403

(mA)

V (V)

Fig. 9. Typical 74AHC1G14 transfer characteristics; V_CC= 5.5 V

mna405

mna404

(mA)

V (V)

Fig. 10. Typical 74AHCT1G14 transfer characteristics;

V_CC= 4.5 V

Fig. 11. Typical 74AHCT1G14 transfer characteristics;

V_CC= 5.5 V

74AHC_AHCT1G14

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Product data sheet

Rev. 10 — 12 January 2022

6 / 14

Nexperia

74AHC1G14; 74AHCT1G14

Inverting Schmitt trigger

12. Dynamic characteristics

Table 9. Dynamic characteristics

GND = 0 V; t_r= t_f≤ 3.0 ns. For waveform see Fig. 12. For test circuit see Fig. 13.

Symbol Parameter Conditions

74AHC1G14

25 °C

-40 °C to +85 °C -40 °C to +125 °C Unit

Min Typ Max

Min

Max

Min

Max

t_pd

propagation A to Y;

delay

[1]

[2]

V_CC= 3.0 V to 3.6 V

C_L= 15 pF

C_L= 50 pF

4.2 12.8

6.0 16.3

1.0

15.0

18.5

1.0

16.5

20.5

V_CC= 4.5 V to 5.5 V

C_L= 15 pF

[3]

[4]

3.2

8.6

1.0

10.0

12.0

1.0

11.0

13.5

C_L= 50 pF

4.6 10.6

C_PD

power

per buffer; C_L= 50 pF;

f = 1 MHz;

dissipation

capacitance V_I= GND to V_CC

74AHCT1G14

t_pd

propagation A to Y;

[1][3]

[4]

delay

V_CC= 4.5 V to 5.5 V

C_L= 15 pF

4.1

5.9

7.0

8.5

1.0

8.0

10.0

1.0

9.0

11.0

C_L= 50 pF

C_PD

power

per buffer;

dissipation

capacitance

V_I= GND to V_CC

[1] t_pdis the same as t_PLHand t_PHL

[2] Typical values are measured at V_CC= 3.3 V.

[3] Typical values are measured at V_CC= 5.0 V.

[4] C_PDis used to determine the dynamic power dissipation P_D(μW).

P_D= C_PD× V_CC²× f_i+ ∑(C_L× V_CC²× f_o) where:

f_i= input frequency in MHz;

f_o= output frequency in MHz;

C_L= output load capacitance in pF;

V_CC= supply voltage in Volts.

74AHC_AHCT1G14

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Product data sheet

Rev. 10 — 12 January 2022

7 / 14

Nexperia

74AHC1G14; 74AHCT1G14

Inverting Schmitt trigger

12.1. Waveform and test circuit

PULSE

GENERATOR

DUT

A input

mna101

PHL

PLH

Test data is given in Table 9.

Definitions for test circuit:

C_L= Load capacitance;

Y output

mna033

R_T= Termination resistance should be equal to

output impedance Z_oof the pulse generator.

The test data is given in Table 10.

Fig. 12. The input (A) to output (Y) propagation delays

Fig. 13. Test circuit for measuring switching times

Table 10. Test data

Type number

Input

Output

V_I

V_M

74AHC1G14

GND to V_CC

GND to 3.0 V

0.5 × V_CC

1.5 V

0.5 × V_CC

74AHCT1G14

13. Application information

The slow input rise and fall times cause additional power dissipation, which can be calculated using

the following formula:

P_add= f_i× (t_r× ΔI_CC(AV)+ t_f× ΔI_CC(AV)) × V_CCwhere:

•

P_add= additional power dissipation (μW);

f_i= input frequency (MHz);

t_r= input rise time (ns); 10 % to 90 %;

t_f= input fall time (ns); 90 % to 10 %;

ΔI_CC(AV)= average additional supply current (μA).

Average additional I_CCdiffers with positive or negative input transitions, as shown in Fig. 14 and

Fig. 15.

For 74AHC1G14 and 74AHCT1G14 used in relaxation oscillator circuit, see Fig. 16.

Note to the application information:

•

All values given are typical unless otherwise specified.

74AHC_AHCT1G14

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Product data sheet

Rev. 10 — 12 January 2022

8 / 14

Nexperia

74AHC1G14; 74AHCT1G14

Inverting Schmitt trigger

mna058

mna036

200

ΔI

CC(AV)

(µA)

CC(AV)

(µA)

150

100

150

100

positive-going

edge

positive-going

edge

negative-going

edge

negative-going

edge

2.0

4.0

6.0

(V)

Linear change of V_Ibetween 0.1V_CCto 0.9V_CC

Fig. 14. Average additional I_CCfor 74AHC1G14

Schmitt trigger devices

Fig. 15. Average additional I_CCfor 74AHCT1G14

Schmitt trigger devices

mna035

For K-factor, see Fig. 17.

Fig. 16. Relaxation oscillator using the 74AHC1G14 and 74AHCT1G14

aaa-021367

aaa-021368

1.6

1.2

0.8

0.4

0.9

0.8

0.7

0.6

0.5

4.5

4.75

5.25

5.5

(V)

K-factor for 74AHC1G14

Fig. 17. Typical K-factor for relaxation oscillator

K-factor for 74AHCT1G14

74AHC_AHCT1G14

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Product data sheet

Rev. 10 — 12 January 2022

9 / 14

Nexperia

74AHC1G14; 74AHCT1G14

Inverting Schmitt trigger

14. Package outline

TSSOP5: plastic thin shrink small outline package; 5 leads; body width 1.25 mm

SOT353-1

(5x)

pin 1 index

M B

(5x)

detail X

3 mm

scale

Dimensions (mm are the original dimensions)

Unit

(1)

max 1.1 0.1 1.0

0.8 0.8

0.30 0.25 2.2 1.35

0.15 0.08 1.8 1.15

2.4 0.46

1.8 0.26

8°

0°

0.15

0.65 1.3

0.3 0.1 0.1

min

Note

1. Plastic or metal protrusions of 0.2 mm maximum per side are not included.

sot353-1_po

References

Outline

version

European

projection

Issue date

IEC

JEDEC

JEITA

21-12-15

21-12-16

SOT353-1

SC-88A

MO-203

Fig. 18. Package outline SOT353-1 (TSSOP5)

74AHC_AHCT1G14

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Product data sheet

Rev. 10 — 12 January 2022

10 / 14

Nexperia

74AHC1G14; 74AHCT1G14

Inverting Schmitt trigger

Plastic surface-mounted package; 5 leads

SOT753

detail X

M B

2 mm

scale

DIMENSIONS (mm are the original dimensions)

UNIT

0.100

0.013

0.40

0.25

1.1

0.9

0.26

0.10

3.1

2.7

1.7

1.3

3.0

2.5

0.6

0.2

0.33

0.23

0.95

0.2

0.1

REFERENCES

JEDEC JEITA

EUROPEAN

PROJECTION

OUTLINE

VERSION

ISSUE DATE

IEC

02-04-16

06-03-16

SOT753

SC-74A

Fig. 19. Package outline SOT753 (SC-74A)

74AHC_AHCT1G14

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Product data sheet

Rev. 10 — 12 January 2022

11 / 14

Nexperia

74AHC1G14; 74AHCT1G14

Inverting Schmitt trigger

15. Abbreviations

Table 11. Abbreviations

Acronym

CDM

CMOS

DUT

Description

Charged Device Model

Complementary Metal-Oxide Semiconductor

Device Under Test

ESD

ElectroStatic Discharge

Human Body Model

HBM

Machine Model

TTL

Transistor-Transistor Logic

16. Revision history

Table 12. Revision history

Document ID

Release date

Data sheet status

Change notice

Supersedes

74AHC_AHCT1G14 v.10 20220112

Product data sheet

74AHC_AHCT1G14 v.9

Modifications:

•

Section 1 and Section 2 updated.

Fig. 18: Package outline drawing for SOT353-1 (TSSOP5) has changed.

74AHC_AHCT1G14 v.9

Modifications:

20200403

Product data sheet 74AHC_AHCT1G14 v.8

•

The format of this data sheet has been redesigned to comply with the identity guidelines of

Nexperia.

•

Legal texts have been adapted to the new company name where appropriate.

Table 5: Derating values for P_tottotal power dissipation updated.

74AHC_AHCT1G14 v.8

Modifications:

20160113

Product data sheet

74AHC_AHCT1G14 v.7

74AHC_AHCT1G14 v.6

74AHC_AHCT1G14 v.5

•

Fig. 17 added (typical K-factor for relaxation oscillator).

74AHC_AHCT1G14 v.7

Modifications:

20141118

Product data sheet

•

Table 2: table note added.

74AHC_AHCT1G14 v.6

Modifications:

20090518

Product data sheet

•

Table 7: the conditions for HIGH-level output voltage and LOW-level output voltage have

been changed.

74AHC_AHCT1G14 v.5

74AHC_AHCT1G14 v.4

74AHC_AHCT1G14 v.3

74AHC_AHCT1G14 v.2

74AHC_AHCT1G14 v.1

20070629

20020528

20020218

20010222

19990805

Product data sheet

Product specification

74AHC_AHCT1G14 v.4

74AHC_AHCT1G14 v.3

74AHC_AHCT1G14 v.2

74AHC_AHCT1G14 v.1

74AHC_AHCT1G14

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Product data sheet

Rev. 10 — 12 January 2022

12 / 14

Nexperia

74AHC1G14; 74AHCT1G14

Inverting Schmitt trigger

injury, death or severe property or environmental damage. Nexperia and its

suppliers accept no liability for inclusion and/or use of Nexperia products in

such equipment or applications and therefore such inclusion and/or use is at

the customer’s own risk.

17. Legal information

Quick reference data — The Quick reference data is an extract of the

product data given in the Limiting values and Characteristics sections of this

document, and as such is not complete, exhaustive or legally binding.

Data sheet status

Document status Product

Definition

Applications — Applications that are described herein for any of these

products are for illustrative purposes only. Nexperia makes no representation

or warranty that such applications will be suitable for the specified use

without further testing or modification.

[1][2]

status [3]

Objective [short]

data sheet

Development

This document contains data from

the objective specification for

product development.

Customers are responsible for the design and operation of their applications

and products using Nexperia products, and Nexperia accepts no liability for

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Customers should provide appropriate design and operating safeguards to

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Preliminary [short]

data sheet

Qualification

Production

This document contains data from

the preliminary specification.

Product [short]

data sheet

This document contains the product

specification.

[1] Please consult the most recently issued document before initiating or

completing a design.

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or problem which is based on any weakness or default in the customer’s

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[2] The term 'short data sheet' is explained in section "Definitions".

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multiple devices. The latest product status information is available on

the internet at https://www.nexperia.com.

Definitions

Limiting values — Stress above one or more limiting values (as defined in

the Absolute Maximum Ratings System of IEC 60134) will cause permanent

damage to the device. Limiting values are stress ratings only and (proper)

operation of the device at these or any other conditions above those

given in the Recommended operating conditions section (if present) or the

Characteristics sections of this document is not warranted. Constant or

repeated exposure to limiting values will permanently and irreversibly affect

the quality and reliability of the device.

Draft — The document is a draft version only. The content is still under

internal review and subject to formal approval, which may result in

modifications or additions. Nexperia does not give any representations or

warranties as to the accuracy or completeness of information included herein

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product is not suitable for automotive use. It is neither qualified nor tested in

accordance with automotive testing or application requirements. Nexperia

accepts no liability for inclusion and/or use of non-automotive qualified

products in automotive equipment or applications.

In no event shall Nexperia be liable for any indirect, incidental, punitive,

special or consequential damages (including - without limitation - lost

profits, lost savings, business interruption, costs related to the removal

or replacement of any products or rework charges) whether or not such

damages are based on tort (including negligence), warranty, breach of

contract or any other legal theory.

In the event that customer uses the product for design-in and use in

automotive applications to automotive specifications and standards,

customer (a) shall use the product without Nexperia’s warranty of the

product for such automotive applications, use and specifications, and (b)

whenever customer uses the product for automotive applications beyond

Nexperia’s specifications such use shall be solely at customer’s own risk,

and (c) customer fully indemnifies Nexperia for any liability, damages or failed

product claims resulting from customer design and use of the product for

automotive applications beyond Nexperia’s standard warranty and Nexperia’s

product specifications.

Notwithstanding any damages that customer might incur for any reason

whatsoever, Nexperia’s aggregate and cumulative liability towards customer

for the products described herein shall be limited in accordance with the

Terms and conditions of commercial sale of Nexperia.

Translations — A non-English (translated) version of a document is for

reference only. The English version shall prevail in case of any discrepancy

between the translated and English versions.

Right to make changes — Nexperia reserves the right to make changes

to information published in this document, including without limitation

specifications and product descriptions, at any time and without notice. This

document supersedes and replaces all information supplied prior to the

publication hereof.

Trademarks

Suitability for use — Nexperia products are not designed, authorized or

warranted to be suitable for use in life support, life-critical or safety-critical

systems or equipment, nor in applications where failure or malfunction

of an Nexperia product can reasonably be expected to result in personal

Notice: All referenced brands, product names, service names and

trademarks are the property of their respective owners.

74AHC_AHCT1G14

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 10 — 12 January 2022

13 / 14

Nexperia

74AHC1G14; 74AHCT1G14

Inverting Schmitt trigger

Contents

1. General description......................................................1

2. Features and benefits.................................................. 1

3. Applications.................................................................. 1

4. Ordering information....................................................1

5. Marking..........................................................................2

6. Functional diagram.......................................................2

7. Pinning information......................................................2

7.1. Pinning.........................................................................2

7.2. Pin description.............................................................2

8. Functional description................................................. 3

9. Limiting values............................................................. 3

10. Recommended operating conditions........................3

11. Static characteristics..................................................4

11.1. Transfer characteristics..............................................5

11.2. Transfer characteristic waveforms............................. 5

12. Dynamic characteristics............................................ 7

12.1. Waveform and test circuit..........................................8

13. Application information............................................. 8

14. Package outline........................................................ 10

15. Abbreviations............................................................12

16. Revision history........................................................12

17. Legal information......................................................13

For more information, please visit: http://www.nexperia.com

For sales office addresses, please send an email to: salesaddresses@nexperia.com

Date of release: 12 January 2022

74AHC_AHCT1G14

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 10 — 12 January 2022

14 / 14

74AHCT1G14GV [NEXPERIA]

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