Philips Semiconductors Product specification
74ABT20Dual 4-input NAND gate
11995 Sep 22 853-1811 15793
QUICK REFERENCE DATA
SYMBOL PARAMETER
CONDITIONS
T
amb
= 25°C;
GND = 0V
TYPICAL UNIT
t
PLH
t
PHL
Propagation
delay
An, Bn, Cn, Dn
to Yn
C
L
= 50pF;
V
CC
= 5V
2.7
2.2
ns
t
OSLH
t
OSHL
Output to
Output skew
0.3 ns
C
IN
Input
capacitance
V
I
= 0V or V
CC
3 pF
I
CC
Total supply
current
Outputs disabled;
V
CC
= 5.5V
50 µA
PIN CONFIGURATION
14
13
12
11
10
9
87
6
5
4
3
2
1
GND
V
CC
B1
A1
Y1
NC
D1
C1
A0
B0
Y0
NC
C0
D0
SA00350
PIN DESCRIPTION
PIN
NUMBER
SYMBOL NAME AND FUNCTION
1, 2, 4, 5, 9,
10, 12, 13
An, Bn,
Cn, Dn
Data inputs
6, 8 Yn Data outputs
7 GND Ground (0V)
14 V
CC
Positive supply voltage
LOGIC SYMBOL
D0 A1 B1A0 B0 C0 C1 D1
Y0Y1
68
12 459101213
V
CC
= Pin 14
GND = Pin 7
SA00351
LOGIC DIAGRAM
V
CC
= Pin 14
GND = Pin 7
SA00352
Y0
6
1
2
4
A0
B0
C0
5
D0
Y1
8
9
10
12
A1
B1
C1
13
D1
LOGIC SYMBOL (IEEE/IEC)
SF00068
&
6
8
1
2
4
5
9
10
12
13
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