HD74ACT283RP HITACHI, HD74ACT283RP Datasheet - Page 5

• Manufacturer Part Number: HD74ACT283RP
• Manufacturer: HITACHI

Specifications of HD74ACT283RP

• Lead Free Status / RoHS Status: Not Compliant

stage. Figure d shows a method of implementing a 5-input encoder, where the inputs are equally weighted.
The outputs S
e shows one method of implementing a 5-input majority gate. When three or more of the inputs I
true, the output M
Fig. a Active HIGH varsus Active LOW Interpretation
Logic levels
Active HIGH
Active LOW
Active HIGH: 0 + 10 + 9 = 3 + 16
Active LOW: 1 + 5 + 6 = 12 + 0
0
, S
1
5
C
L
0
1
and S
is true.
0
C
0
2
A
L
0
1
present a binary number equal to the number of inputs I
0
C
A
H
1
0
0
1
C
A
A
0
0
0
S
S
A
A
L
0
1
0
0
B
B
Fig. c 2-bit and 1-bit adders
0
2
S
0
0
0
B
0
A
A
Fig. b 3-bit Adder
A
H
1
0
1
1
S
S
3
A
1
1
1
B
B
S
1
1
1
B
H
1
0
B
0
1
A
2
A
B
L
0
1
S
2
2
1
C
S
B
2
2
C
2
B
10
2
B
L
0
1
A
A
2
A
3
S
10
HD74AC283/HD74ACT283
3
S
3
S
B
10
3
B
3
B
B
H
1
0
10
3
3
C
4
C
4
S
H
1
0
C
L
0
3
1
S
H
1
0
– I
C
1
11
5
that are true. Figure
S
L
0
1
2
S
L
0
1
3
1
– I
C
H
1
0
5
4
are
3