74AHC1G14GW,125 - NEXPERIA - Datasheet.Directory

74AHC1G14; 74AHCT1G14

Inverting Schmitt trigger

Rev. 9 — 3 April 2020 Product data sheet

1. General description

74AHC1G14 and 74AHCT1G14 are high-speed Si-gate CMOS devices. They provide an inverting

buffer function with Schmitt trigger action. These devices are capable of transforming slowly

changing input signals into sharply defined, jitter-free output signals.

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

•Symmetrical output impedance

•High noise immunity

•ESD protection:

•HBM JESD22-A114E: exceeds 2000 V

•MM JESD22-A115-A: exceeds 200 V

•CDM JESD22-C101C: exceeds 1000 V

•Low power dissipation

•Specified from -40 °C to +125 °C

3. Applications

•Wave and pulse shapers

•Astable multivibrators

•Monostable multivibrators

4. Ordering information

Table 1. Ordering information

PackageType number

Temperature range Name Description Version

74AHC1G14GW

74AHCT1G14GW

-40 °C to +125 °C TSSOP5 plastic thin shrink small outline package;

5 leads; body width 1.25 mm

SOT353-1

74AHC1G14GV

74AHCT1G14GV

-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 AF

74AHCT1G14GW CF

74AHC1G14GV A14

74AHCT1G14GV C14

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

6. Functional diagram

mna023

A Y

Fig. 1. Logic symbol

mna024

Fig. 2. IEC logic symbol

mna025

Fig. 3. Logic diagram

7. Pinning information

7.1. Pinning

74AHC1G14

74AHCT1G14

n.c. VCC

GND Y

001aaf087

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

7.2. Pin description

Table 3. Pin description

Symbol Pin Description

n.c. 1 not connected

A 2 data input

GND 3 ground (0 V)

Y 4 data output

VCC 5 supply voltage

Product data sheet Rev. 9 — 3 April 2020 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

A Y

L H

H L

9. Limiting values

Table 5. Limiting values

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

Symbol Parameter Conditions Min Max Unit

VCC supply voltage -0.5 +7.0 V

VIinput voltage -0.5 +7.0 V

IIK input clamping current VI < -0.5 V -20 - mA

IOK output clamping current VO < -0.5 V or VO > VCC + 0.5 V [1] - ±20 mA

IOoutput current -0.5 V < VO < VCC + 0.5 V - ±25 mA

ICC supply current - 75 mA

IGND ground current -75 - mA

Tstg storage temperature -65 +150 °C

Ptot total power dissipation Tamb = -40 °C to +125 °C [2] - 250 mW

[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: Ptot derates linearly with 3.3 mW/K above 74 °C.

For SOT753 (SC-74A) package: Ptot derates 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).

74AHC1G14 74AHCT1G14Symbol Parameter Conditions

Min Typ Max Min Typ Max

Unit

VCC supply voltage 2.0 5.0 5.5 4.5 5.0 5.5 V

VIinput voltage 0 - 5.5 0 - 5.5 V

VOoutput voltage 0 - VCC 0 - VCC V

Tamb ambient temperature -40 +25 +125 -40 +25 +125 °C

Product data sheet Rev. 9 — 3 April 2020 3 / 14

Nexperia 74AHC1G14; 74AHCT1G14

Inverting Schmitt trigger

11. Static characteristics

Table 7. Static characteristics

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

25 °C -40 °C to +85 °C -40 °C to +125 °CSymbol Parameter Conditions

Min Typ Max Min Max Min Max

Unit

For type 74AHC1G14

VI = VT+ or VT-

IO = -50 μA; VCC = 2.0 V 1.9 2.0 - 1.9 - 1.9 - V

IO = -50 μA; VCC = 3.0 V 2.9 3.0 - 2.9 - 2.9 - V

IO = -50 μA; VCC = 4.5 V 4.4 4.5 - 4.4 - 4.4 - V

IO = -4.0 mA; VCC = 3.0 V 2.58 - - 2.48 - 2.40 - V

VOH HIGH-level

output voltage

IO = -8.0 mA; VCC = 4.5 V 3.94 - - 3.8 - 3.70 - V

VI = VT+ or VT-

IO = 50 μA; VCC = 2.0 V - 0 0.1 - 0.1 - 0.1 V

IO = 50 μA; VCC = 3.0 V - 0 0.1 - 0.1 - 0.1 V

IO = 50 μA; VCC = 4.5 V - 0 0.1 - 0.1 - 0.1 V

IO = 4.0 mA; VCC = 3.0 V - - 0.36 - 0.44 - 0.55 V

VOL LOW-level

output voltage

IO = 8.0 mA; VCC = 4.5 V - - 0.36 - 0.44 - 0.55 V

IIinput leakage

current

VI = 5.5 V or GND;

VCC = 0 V to 5.5 V

- - 0.1 - 1.0 - 2.0 μA

ICC supply current VI = VCC or GND; IO = 0 A;

VCC = 5.5 V

- - 1.0 - 10 - 40 μA

CIinput

capacitance

- 1.5 10 - 10 - 10 pF

For type 74AHCT1G14

VI = VT+ or VT-; VCC = 4.5 V

IO = -50 μA 4.4 4.5 - 4.4 - 4.4 - V

VOH HIGH-level

output voltage

IO = -8.0 mA 3.94 - - 3.8 - 3.70 - V

VI = VT+ or VT-; VCC = 4.5 V

IO = 50 μA - 0 0.1 - 0.1 - 0.1 V

VOL LOW-level

output voltage

IO = 8.0 mA - - 0.36 - 0.44 - 0.55 V

IIinput leakage

current

VI = 5.5 V or GND;

VCC = 0 V to 5.5 V

- - 0.1 - 1.0 - 2.0 μA

ICC supply current VI = VCC or GND; IO = 0 A;

VCC = 5.5 V

- - 1.0 - 10 - 40 μA

ΔICC additional

supply current

per input pin; VI = 3.4 V;

other inputs at VCC or GND;

IO = 0 A; VCC = 5.5 V

- - 1.35 - 1.5 - 1.5 mA

CIinput

capacitance

- 1.5 10 - 10 - 10 pF

Product data sheet Rev. 9 — 3 April 2020 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.

25 °C -40 °C to +85 °C -40 °C to +125 °CSymbol Parameter Conditions

Min Typ Max Min Max Min Max

Unit

For type 74AHC1G14

VCC = 3.0 V - - 2.2 - 2.2 - 2.2 V

VCC = 4.5 V - - 3.15 - 3.15 - 3.15 V

VT+ positive-going

threshold

voltage

VCC = 5.5 V - - 3.85 - 3.85 - 3.85 V

VCC = 3.0 V 0.9 - - 0.9 - 0.9 - V

VCC = 4.5 V 1.35 - - 1.35 - 1.35 - V

VT- negative-going

threshold

voltage

VCC = 5.5 V 1.65 - - 1.65 - 1.65 - V

VCC = 3.0 V 0.3 - 1.2 0.3 1.2 0.25 1.2 V

VCC = 4.5 V 0.4 - 1.4 0.4 1.4 0.35 1.4 V

VHhysteresis

voltage

VCC = 5.5 V 0.5 - 1.6 0.5 1.6 0.45 1.6 V

For type 74AHCT1G14

VCC = 4.5 V - - 2.0 - 2.0 - 2.0 VVT+ positive-going

threshold

voltage VCC = 5.5 V - - 2.0 - 2.0 - 2.0 V

VCC = 4.5 V 0.5 - - 0.5 - 0.5 - VVT- negative-going

threshold

voltage VCC = 5.5 V 0.6 - - 0.6 - 0.6 - V

VCC = 4.5 V 0.4 - 1.4 0.4 1.4 0.35 1.4 VVHhysteresis

voltage VCC = 5.5 V 0.4 - 1.6 0.4 1.6 0.35 1.6 V

11.2. Transfer characteristic waveforms

mna026

VHVI

VT- VT+

Fig. 5. Transfer characteristic

mna027

VIVH

VT+

VT-

Fig. 6. The definitions of VT+, VT- and VH

Product data sheet Rev. 9 — 3 April 2020 5 / 14

Nexperia 74AHC1G14; 74AHCT1G14

Inverting Schmitt trigger

0 1 3

1.5

0.5

mna401

2VI (V)

ICC

(mA)

Fig. 7. Typical 74AHC1G14 transfer characteristics;

VCC = 3.0 V

0 5

VI (V)

ICC

(mA)

mna402

1 2 3 4

Fig. 8. Typical 74AHC1G14 transfer characteristics;

VCC = 4.5 V

0 2 6

mna403

4VI (V)

ICC

(mA)

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

0 5

VI (V)

ICC

(mA)

mna404

1 2 3 4

Fig. 10. Typical 74AHCT1G14 transfer characteristics;

VCC = 4.5 V

0 2 6

mna405

4VI (V)

ICC

(mA)

Fig. 11. Typical 74AHCT1G14 transfer characteristics;

VCC = 5.5 V

Product data sheet Rev. 9 — 3 April 2020 6 / 14

Nexperia 74AHC1G14; 74AHCT1G14

Inverting Schmitt trigger

12. Dynamic characteristics

Table 9. Dynamic characteristics

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

25 °C -40 °C to +85 °C -40 °C to +125 °CSymbol Parameter Conditions

Min Typ Max Min Max Min Max

Unit

For type 74AHC1G14

A to Y; [1]

VCC = 3.0 V to 3.6 V [2]

CL = 15 pF - 4.2 12.8 1.0 15.0 1.0 16.5 ns

CL = 50 pF - 6.0 16.3 1.0 18.5 1.0 20.5 ns

VCC = 4.5 V to 5.5 V [3]

CL = 15 pF - 3.2 8.6 1.0 10.0 1.0 11.0 ns

tpd propagation

delay

CL = 50 pF - 4.6 10.6 1.0 12.0 1.0 13.5 ns

CPD power

dissipation

capacitance

per buffer; CL = 50 pF;

f = 1 MHz;

VI = GND to VCC

[4] - 12 - - - - - pF

For type 74AHCT1G14

A to Y;

VCC = 4.5 V to 5.5 V

[1][3]

CL = 15 pF - 4.1 7.0 1.0 8.0 1.0 9.0 ns

tpd propagation

delay

CL = 50 pF - 5.9 8.5 1.0 10.0 1.0 11.0 ns

CPD power

dissipation

capacitance

per buffer;

VI = GND to VCC

[4] - 13 - - - - - pF

[1] tpd is the same as tPLH and tPHL.

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

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

[4] CPD is used to determine the dynamic power dissipation PD (μW).

PD = CPD x VCC

2 x fi + ∑(CL x VCC

2 x fo) where:

fi = input frequency in MHz;

fo = output frequency in MHz;

CL = output load capacitance in pF;

VCC = supply voltage in Volts.

Product data sheet Rev. 9 — 3 April 2020 7 / 14

Nexperia 74AHC1G14; 74AHCT1G14

Inverting Schmitt trigger

12.1. Waveform and test circuit

mna033

A input

Y output

tPHL tPLH

The test data is given in Table 10

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

mna101

VCC

VIVO

RTCL

PULSE

GENERATOR DUT

Test data is given in Table 9.

Definitions for test circuit:

CL = Load capacitance.

RT = Termination resistance should be equal to

output impedance Zo of the pulse generator.

Fig. 13. Test circuit for measuring switching times

Table 10. Test data

Input OutputType number

VIVMVM

74AHC1G14 GND to VCC 0.5 x VCC 0.5 x VCC

74AHCT1G14 GND to 3.0 V 1.5 V 0.5 x VCC

13. Application information

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

the following formula:

Padd = fi x (tr x ΔICC(AV) + tf x ΔICC(AV)) x VCC where:

•Padd = additional power dissipation (μW);

•fi = input frequency (MHz);

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

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

•ΔICC(AV) = average additional supply current (μA).

Average additional ICC differs 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.

Product data sheet Rev. 9 — 3 April 2020 8 / 14

Nexperia 74AHC1G14; 74AHCT1G14

Inverting Schmitt trigger

mna036

0 2.0 4.0 6.0

VCC (V)

200

150

100

ΔICC(AV)

(µA)

positive-going

edge

negative-going

edge

Linear change of VI between 0.1VCC to 0.9VCC

Fig. 14. Average additional ICC for 74AHC1G14

Schmitt trigger devices

mna058

0 4 62 VCC (V)

200

100

150

ΔICC(AV)

(µA)

positive-going

edge

negative-going

edge

Linear change of VI between 0.1VCC to 0.9VCC

Fig. 15. Average additional ICC for 74AHCT1G14

Schmitt trigger devices

mna035

For K-factor, see Fig. 17

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

VCC (V)

2 653 4

aaa-021367

0.8

1.2

0.4

1.6

K-factor for 74AHC1G14

VCC (V)

4.5 5.55.254.75 5

aaa-021368

0.7

0.8

0.6

0.9

0.5

K-factor for 74AHCT1G14

Fig. 17. Typical K-factor for relaxation oscillator

Product data sheet Rev. 9 — 3 April 2020 9 / 14

Nexperia 74AHC1G14; 74AHCT1G14

Inverting Schmitt trigger

14. Package outline

UNIT A1

max. A2 A3 bp L HE Lp w y v

c e D(1) E(1) Z(1) θ

REFERENCES

OUTLINE

VERSION

EUROPEAN

PROJECTION ISSUE DATE

IEC JEDEC JEITA

mm 0.1

1.0

0.8

0.30

0.15

0.25

0.08

2.25

1.85

1.35

1.15 0.65

1.3 2.25

2.0

0.60

0.15

7°

0°

0.1 0.1 0.3 0.425

DIMENSIONS (mm are the original dimensions)

Note

1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.

0.46

0.21

SOT353-1 MO-203 SC-88A 00-09-01

03-02-19

w M

0.15

1 3

5 4

(A3)

detail X

v M A

1.5 3 mm 0

scale

TSSOP5: plastic thin shrink small outline package; 5 leads; body width 1.25 mm SOT353-1

1.1

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

Product data sheet Rev. 9 — 3 April 2020 10 / 14

Nexperia 74AHC1G14; 74AHCT1G14

Inverting Schmitt trigger

REFERENCES

OUTLINE

VERSION

EUROPEAN

PROJECTION ISSUE DATE

IEC JEDEC JEITA

SOT753 SC-74A

w BM

detail X

vMA

0 1 2 mm

scale

1 32

Plastic surface-mounted package; 5 leads SOT753

UNIT A1bpc D EHELpQ ywv

mm 0.100

0.013

0.40

0.25

3.1

2.7

0.26

0.10

1.7

1.3

0.95 3.0

2.5 0.2 0.10.2

DIMENSIONS (mm are the original dimensions)

0.6

0.2

0.33

0.23

1.1

0.9

02-04-16

06-03-16

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

Product data sheet Rev. 9 — 3 April 2020 11 / 14

Nexperia 74AHC1G14; 74AHCT1G14

Inverting Schmitt trigger

15. Abbreviations

Table 11. Abbreviations

Acronym Description

CDM Charged Device Model

CMOS Complementary Metal-Oxide Semiconductor

DUT Device Under Test

ESD ElectroStatic Discharge

HBM Human Body Model

MM 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.9 20200403 Product data sheet - 74AHC_AHCT1G14 v.8

Modifications: •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 Ptot total power dissipation updated.

74AHC_AHCT1G14 v.8 20160113 Product data sheet - 74AHC_AHCT1G14 v.7

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

74AHC_AHCT1G14 v.7 20141118 Product data sheet - 74AHC_AHCT1G14 v.6

Modifications: •Table 2: table note added.

74AHC_AHCT1G14 v.6 20090518 Product data sheet - 74AHC_AHCT1G14 v.5

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

been changed.

74AHC_AHCT1G14 v.5 20070629 Product data sheet - 74AHC_AHCT1G14 v.4

74AHC_AHCT1G14 v.4 20020528 Product specification - 74AHC_AHCT1G14 v.3

74AHC_AHCT1G14 v.3 20020218 Product specification - 74AHC_AHCT1G14 v.2

74AHC_AHCT1G14 v.2 20010222 Product specification - 74AHC_AHCT1G14 v.1

74AHC_AHCT1G14 v.1 19990805 Product specification - -

Product data sheet Rev. 9 — 3 April 2020 12 / 14

Nexperia 74AHC1G14; 74AHCT1G14

Inverting Schmitt trigger

17. Legal information

Data sheet status

Document status

[1][2]

Product

status [3]

Definition

Objective [short]

data sheet

Development This document contains data from

the objective specification for

product development.

Preliminary [short]

data sheet

Qualification This document contains data from

the preliminary specification.

Product [short]

data sheet

Production This document contains the product

specification.

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

completing a design.

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

[3] The product status of device(s) described in this document may have

changed since this document was published and may differ in case of

multiple devices. The latest product status information is available on

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

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

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Product data sheet Rev. 9 — 3 April 2020 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: 3 April 2020

Product data sheet Rev. 9 — 3 April 2020 14 / 14