KK74VHC241
KK74VHC241 truth table
Input
Output
1Y
1A
1G
L
L
L
H
X
L
H
Z
H
Input
2G
H
Output
2Y
L
2A
L
H
H
H
L
X
Z
Note –
H - high voltage level;
L - low voltage level;
X - any voltage level (low or high);
Z - output in third state
Pins description in KK74VHC241
Pin No. Symbol
Description
Pinout
01
Input OUTPUT ENABLE
1G
02
1A1
Data input
1G
1A1
2Y4
VCC
01
02
03
20
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
GND
2A1
1Y4
2A2
1Y3
2A3
1Y2
2A4
1Y1
2G
Data output
Data input
Data output
Data input
Data output
Data input
Data output
Common output
Data input
Data output
Data input
Data output
Data input
Data output
Data input
Data output
Input OUTPUT ENABLE
19 2G
1Y1
18
1A2 04
17 2A4
2Y3
1Y2
05
16
1A3 06
15 2A3
07
14
2Y2
1Y3
1A4 08
13 2A2
09
12
2Y1
1Y4
GND
10
11 2A1
20
Supply output from voltage source
VCC
2