74HC14D datasheet(4/21 Pages) NXP

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74HC_HCT14

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Product data sheet

Rev. 6 — 19 September 2012

4 of 21

NXP Semiconductors

74HC14; 74HCT14

Hex inverting Schmitt trigger

Limiting values

[1]

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

[2]

For DIP14 package: Ptot derates linearly with 12 mW/K above 70 C.

For SO14 package: Ptot derates linearly with 8 mW/K above 70 C.

For (T)SSOP14 packages: Ptot derates linearly with 5.5 mW/K above 60 C.

For DHVQFN14 packages: Ptot derates linearly with 4.5 mW/K above 60 C.

Recommended operating conditions

Table 4.

Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).

Symbol

Parameter

Conditions

Min

Max

Unit

VCC

supply voltage

0.5

IIK

input clamping current

VI < 0.5 V or VI >VCC +0.5 V

[1] -

20

IOK

output clamping current

VO < 0.5 V or VO >VCC +0.5 V

[1] -

20

output current

0.5 V < V

O < VCC +0.5 V

25

ICC

supply current

IGND

ground current

50

Tstg

storage temperature

65

+150

C

Ptot

total power dissipation

[2]

DIP14 package

750

SO14, (T)SSOP14 and

DHVQFN14 packages

500

Table 5.

Recommended operating conditions

Voltages are referenced to GND (ground = 0 V)

Symbol Parameter

Conditions

74HC14

74HCT14

Unit

Min

Typ

Max

Min

Typ

Max

VCC

supply voltage

2.0

5.0

6.0

4.5

5.0

5.5

input voltage

VCC

output voltage

VCC

Tamb

ambient temperature

40

+25

+125

40

+25

+125

C

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