Diodes 74HC14 User Manual

74HC14

HEX INVERTERS WITH SCHMITT TRIGGER INPUTS

Description

The 74HC14 provides provides six independent Schmitt trigger input

inverters with standard push-pull outputs. The device is designed for

operation with a power supply range of 2.0V to 6.0V.

The gates perform the Boolean function:

AY =

Pin Assignments

Features

• Wide Supply Voltage Range from 2.0V to 6.0V

• Sinks or Sources 4mA at V

• CMOS Low Power Consumption

• Schmitt Trigger Action at All Inputs

• ESD Protection Exceeds JESD 22

 200-V Machine Model (A115-A)

 2000-V Human Body Model (A114-A)

 Exceeds 1000-V Charged Device Model (C101C)

• Range of Package Options SO-14 and TSSOP-14

• Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

• Halogen and Antimony Free. “Green” Device (Note 3)

Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.

2. See http://www.diodes.com for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free.

3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.

74HC14

Document number: DS35323 Rev. 2 - 2

= 4.5V

CC

Applications

• General Purpose Logic

• Wide array of products such as:

 PCs, Networking, Notebooks, Netbooks

 Computer Peripherals, Hard Drives, CD/DVD ROM

 TV, DVD, DVR, Set Top Box

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Pin Descriptions

Pin

Number

1 1A Data Input

2 1Y Data Output

3 2A Data Input

4 2Y Data Output

5 3A Data Input

6 3Y Data Output

7 GND Ground

8 4Y Data Output

9 4A Data Input

10 5Y Data Output

11 5A Data Input

12 6Y Data Output

13 6A Data Input

14

Pin Name Function

V

CC

Supply Voltage

Logic Diagram

1

2

1Y1A

74HC14

3

5

9

11 10

5A

13

6A

Function Table

Input Output

A Y

H L

L H

74HC14

Document number: DS35323 Rev. 2 - 2

12

4

2Y2A

6

3Y3A

8

4Y4A

5Y

6Y

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74HC14

Absolute Maximum Ratings (Note 4) (@T

= +25°C, unless otherwise specified.)

A

Symbol Description Rating Unit

ESD HBM Human Body Model ESD Protection 2 KV

ESD CDM Charged Device Model ESD Protection 1 KV

ESD MM Machine Model ESD Protection 200 V

VCC

VI

IIK Input Clamp Current VI < -0.5V or Vi > VCC +0.5V

IOK Output Clamp Current VO < -0.5V or VO > VCC +0.5V

IO Continuous Output Current -0.5V < V

ICC Continuous Current Through VCC

I

GND

TJ

T

STG

P

TOT

Notes: 4. Stresses beyond the absolute maximum may result in immediate failure or reduced reliability. These are stress values and device operation should

be within recommend values.

5. Input Voltage cannot exceed V

Supply Voltage Range -0.5 to +7.0 V

Input Voltage Range (Note 5) -0.5 to +7.0 V

±20 mA

±20 mA

O VCC

+0.5V

+/- 25 mA

50 mA

Continuous Current Through GND -50 mA

Operating Junction Temperature -40 to +150 °C

Storage Temperature -65 to +150 °C

Total Power Dissipation 500 mW

to the extent the Maximum clamp current is exceeded

CC

Recommended Operating Conditions (Note 6) (@T

= +25°C, unless otherwise specified.)

A

Symbol Parameter Conditions Min Max Unit

VCC

VI

VO

Δt/ΔV Input Transition Rise or Fall Rate

TA

Note: 6. Unused inputs should be held at VCC or Ground.

Supply Voltage 2.0 6.0 V

Input Voltage 0

Output Voltage 0

V

= 2.0V

CC

VCC = 4.5V

VCC = 6.0V

VCC

VCC

625

140

85

V

V

ns/V

Operating Free-Air Temperature -40 +125 °C

74HC14

Document number: DS35323 Rev. 2 - 2

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January 2013

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