74HC283 Philips, 74HC283 Datasheet - Page 4

• Manufacturer Part Number: 74HC283
• Description: 4-bit binary full adder with fast carry
• Manufacturer: Philips

Philips Semiconductors
FUNCTION TABLE
Note
1. H = HIGH voltage level
2. example
3. for active HIGH, example = (9 + 10 = 19)
4. for active LOW, example = (carry + 6 + 5 = 12)
December 1990
PINS
logic levels
active HIGH
active LOW
4-bit binary full adder with fast carry
L = LOW voltage level
-----
10011
1001
1010
C
L
0
1
IN
A
L
0
1
1
A
H
1
0
2
A
L
0
1
3
A
H
1
0
4
B
H
1
0
Fig.4 Functional diagram.
1
B
L
0
1
2
B
L
0
1
4
3
B
H
1
0
4
H
1
0
1
H
1
0
2
L
0
1
3
L
0
1
4
74HC/HCT283
C
H
1
0
OUT
Product specification
EXAMPLE
(3)
(4)
(2)