Philips 74ABT20PW, 74ABT20N, 74ABT20DB, 74ABT20D Datasheet

Philips Semiconductors	Product specification
Dual 4-input NAND gate	74ABT20

QUICK REFERENCE DATA

CONDITIONS

SYMBOL

PARAMETER

Tamb = 25°C;

TYPICAL

UNIT

GND = 0V

Propagation

tPLH

delay

2.7

ns

tPHL

An, Bn, Cn, Dn

CL = 50pF;

2.2

to Yn

VCC = 5V

tOSLH

Output to

0.3

ns

tOSHL

Output skew

CIN

Input

VI = 0V or VCC

3

pF

capacitance

ICC

Total supply

Outputs disabled;

50

μA

current

VCC = 5.5V

PIN CONFIGURATION

A0

1

14

VCC

B0

D1

2

13

NC

C1

3

12

C0

NC

4

11

D0

B1

5

10

A1

Y0

6

9

GND

7

8

Y1

SA00350

PIN DESCRIPTION

PIN

SYMBOL

NAME AND FUNCTION

NUMBER

1, 2, 4, 5, 9,

An, Bn,

Data inputs

10, 12, 13

Cn, Dn

6, 8

Data outputs

Yn

7

GND

Ground (0V)

14

VCC

Positive supply voltage

LOGIC SYMBOL

1

2

4

5

9

10

12

13

A0

B0

C0

D0

A1

B1

C1

D1

Y0

Y1

VCC = Pin 14

GND = Pin 7

6

8

SA00351

LOGIC DIAGRAM

1

A0

2

B0

6

4

Y0

C0

5

D0

9

A1

10

B1

8

12

Y1

C1

VCC = Pin 14

13

D1

GND = Pin 7

SA00352

LOGIC SYMBOL (IEEE/IEC)

1

&

2

6

4

5

9

10

8

12

13

SF00068

FUNCTION TABLE

INPUTS

OUTPUT

An

Bn

Cn

Dn

Yn

L

X

X

X

H

X

L

X

X

H

X

X

L

X

H

X

X

X

L

H

H

H

H

H

L

NOTES:

H

=

High voltage level

L

=

Low voltage level

X

=

Don't care

ORDERING INFORMATION

PACKAGES	TEMPERATURE RANGE	OUTSIDE NORTH AMERICA	NORTH AMERICA	DWG NUMBER
14-Pin Plastic DIP	±40°C to +85°C	74ABT20 N	74ABT20 N	SOT27-1
14-Pin plastic SO	±40°C to +85°C	74ABT20 D	74ABT20 D	SOT108-1
14-Pin Plastic SSOP Type II	±40°C to +85°C	74ABT20 DB	74ABT20 DB	SOT337-1
14-Pin Plastic TSSOP Type I	±40°C to +85°C	74ABT20 PW	74ABT20PW DH	SOT402-1

1995 Sep 22

1

853-1811 15793