74HCT27N datasheet(4/16 Pages) NXP

Nome de Peças	74HCT27N

Descrição Electrónicos	Triple 3-input NOR gate

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74HC_HCT27_3

Product data sheet

Rev. 03 — 7 January 2008

4 of 16

NXP Semiconductors

74HC27; 74HCT27

Triple 3-input NOR gate

6.

Functional description

[1]

H = HIGH voltage level;

L = LOW voltage level;

X = don’t care.

7.

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.

8.

Recommended operating conditions

Table 3.

Function table[1]

Inputs

Outputs

nA

nB

nC

nY

LLLH

XXH

L

XH

XL

H

XXL

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

+7

V

IIK

input clamping current

VI < −0.5 V or VI >VCC + 0.5 V

[1] -

±20

mA

IOK

output clamping current

VO < −0.5 V or VO >VCC + 0.5 V

[1] -

±20

mA

IO

output current

−0.5 V < VO < VCC + 0.5 V

-

±25

mA

ICC

supply current

-

50

mA

IGND

ground current

−50

-

mA

Tstg

storage temperature

−65

+150

°C

Ptot

total power dissipation

[2]

DIP14 package

-

750

mW

SO14, (T)SSOP14 and

DHVQFN14 packages

-

500

mW

Table 5.

Recommended operating conditions

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Type 74HC27

VCC

supply voltage

2.0

5.0

6.0

V

VI

input voltage

0

-

VCC

V

VO

output voltage

0

-

VCC

V

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NXP Semiconductors	74HCT27N	32Kb / 5P	Triple 3-input NOR gate December 1990

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