Datasheet

2
Functional Diagram
Pinouts
CD54HC540
(CERDIP)
CD74HC540, CD74HCT540
(PDIP, SOIC)
TOP VIEW
CD54HC541, CD54HCT541
(CERDIP)
CD74HC541
(PDIP, SOIC, TSSOP)
CD74HCT541
(PDIP, SOIC)
TOP VIEW
11
12
13
14
15
16
17
18
20
19
10
9
8
7
6
5
4
3
2
1
OE
A0
A1
A2
A3
A4
A6
A5
A7
GND
V
CC
Y0
Y1
Y2
OE2
Y3
Y4
Y5
Y6
Y7
11
12
13
14
15
16
17
18
20
19
10
9
8
7
6
5
4
3
2
1
OE1
A0
A1
A2
A3
A4
A6
A5
A7
GND
V
CC
Y0
Y1
Y2
OE2
Y3
Y4
Y5
Y6
Y7
D
0
Y
0
D
2
D
4
D
6
Y
2
Y
4
Y
6
D
1
D
3
D
5
D
7
Y
1
Y
3
Y
5
Y
7
OE
A
OE
B
540 541
Y
0
Y
2
Y
4
Y
6
Y
1
Y
3
Y
5
Y
7
CD54/74HC540, CD74HCT540, CD54/74HC541, CD54/74HCT541CD54/74HC540, CD74HCT540, CD54/74HC541, CD54/74HCT541