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HD74LS283P Datasheet

4-bit Binary Full Adder

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HD74LS283
4-bit Binary Full Adder
REJ03D0476–0300
Rev.3.00
Jul.15.2005
The HD74LS283 adder is electrically and functionally identical to the HD74LS83A, respectively; only the arrangement
of the terminals has been changed.
This improved full adder performs the addition of two 4-bit binary words.
The sum (Σ) outputs are provided for each bit and the resultant carry (C4) is obtained from the fourth bits generating the
carry term in then nanoseconds.
The adder logic, including the carry, is implemented in its true form.
End around carry can be accomplished without the need for logic or level inversion.
Features
Ordering Information
Part Name
Package Type
Package Code
(Previous Code)
Package
Abbreviation
HD74LS283P
DILP-16 pin
PRDP0016AE-B
P
(DP-16FV)
HD74LS283FPEL SOP-16 pin (JEITA)
PRSP0016DH-B
(FP-16DAV)
FP
Note: Please consult the sales office for the above package availability.
Taping Abbreviation
(Quantity)
EL (2,000 pcs/reel)
Pin Arrangement
Σ2 1
B2 2
A2 3
Σ1 4
A1 5
B1 6
C0 7
GND 8
Σ2
B2
B3
A2
A3
Σ1
Σ3
A1
A4
B1
B4
C0
Σ4
C4
16 VCC
15 B3
14 A3
13 Σ3
12 A4
11 B4
10 Σ4
9 C4
(Top view)
Rev.3.00, Jul.15.2005, page 1 of 7


Renesas Electronics Components Datasheet

HD74LS283P Datasheet

4-bit Binary Full Adder

No Preview Available !

HD74LS283
Function Table
Outputs
Inputs
When C0 = L
When C0 = H
When C2 = L
When C2 = H
A1
B1
A2
B2
Σ1
Σ2
C2
Σ1
Σ2
C2
A3
B3
A4
B4
Σ3
Σ4
C4
Σ3
Σ4
C4
L
L
L
L
L
L
L
H
L
L
H
L
L
L
H
L
L
L
H
L
L
H
L
L
H
L
L
L
H
L
H
H
L
L
L
H
L
H
H
L
L
L
H
L
L
H
L
H
H
L
H
L
H
L
H
H
L
L
L
H
L
H
H
L
H
H
L
L
L
H
H
H
H
L
L
L
H
H
L
H
L
L
L
H
L
H
L
H
H
L
H
L
L
H
H
H
L
L
L
H
L
H
L
H
H
H
L
L
L
H
H
H
L
H
L
L
H
H
L
H
L
L
H
H
L
L
H
H
L
H
H
L
H
H
H
L
H
L
H
H
L
H
H
H
H
L
H
L
H
H
H
H
H
H
L
H
H
H
H
H
H; high level, L; low level
Note: Input conditions at A1, B1, A2, B2, and C0are use to determine outputs Σ1 and Σ2 and the value of the internal carry
C2. The values at C2, A3, B3, A4, and B4 are then used to determine outputs Σ3, Σ4, and C4.
Rev.3.00, Jul.15.2005, page 2 of 7


Part Number HD74LS283P
Description 4-bit Binary Full Adder
Maker Renesas
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HD74LS283P Datasheet PDF






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