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54283
4-Bit Binary Full Adder (with Fast Carry)
TL/F/9786
54283/DM74283
4-Bit
Binary
Full
Adder
(with
Fast
Carry)
June 1989
54283/DM74283
4-Bit Binary Full Adder (with Fast Carry)
General Description
The ’283 high speed 4-bit binaryfull adders with internal
carrylookahead accepttwo 4-bit binary words (A0–A3,B0–
B3)anda Carry input (C0). They generatethe binary Sum
outputs (S0–S3) andthe Carry output (C4) fromthe most
significantbit. They operate with either active HIGHorac-
tive LOW operands (positiveor negative logic).
Connection Diagram
Dual-In-Line Package
TL/F/9786–1
Order Number 54283DMQB, 54283FMQBor DM74283N
SeeNS PackageNumberJ16A, N16Eor W16A
Pin Names Description
A0–A3 AOperandInputs
B0–B3 BOperandInputs CarryInput
S0–S3 Sum Outputs CarryOutput
C1995National SemiconductorCorporation RRD-B30M115/PrintedinU.S.A.
