74HC02DB datasheet(3/15 Pages) NXP

3 / 15 page

74HC_HCT02_3

Product data sheet

Rev. 03 — 18 September 2008

3 of 15

NXP Semiconductors

74HC02; 74HCT02

Quad 2-input NOR gate

Functional description

[1]

H = HIGH voltage level;

L = LOW voltage level;

X = don’t care.

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 3.

Function table[1]

Input

Output

LLH

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 < VO < 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

74HC02

74HCT02

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

+125

−40

+125

°C

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