74HC_HCT27_3

© NXP B.V. 2008. All rights reserved.

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]

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

supply voltage

−0.5

+7

V

input clamping current

[1] -

±20

mA

output clamping current

[1] -

±20

mA

output current

-

±25

mA

supply current

-

50

mA

ground current

−50

-

mA

storage temperature

−65

+150

°C

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

supply voltage

2.0

5.0

6.0

V

input voltage

0

-

V

output voltage

0

-

V