HD74ACT283FP Renesas Electronics America, HD74ACT283FP Datasheet - Page 5
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HD74ACT283FP
Manufacturer Part Number
HD74ACT283FP
Description
Manufacturer
Renesas Electronics America
Datasheet
1.HD74ACT283FP.pdf
(12 pages)
Specifications of HD74ACT283FP
Logic Family
ACT
Logical Function
Binary Full Adder
Technology
CMOS
Number Of Elements
1
Number Of Bits
4
Propagation Delay Time
16.5ns
High Level Output Current
-24mA
Low Level Output Current
24mA
Operating Supply Voltage (typ)
5V
Operating Temp Range
-40C to 85C
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Quiescent Current
8uA
Pin Count
16
Mounting
Surface Mount
Operating Temperature Classification
Industrial
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