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HD74LS83AP

Renesas
Part Number HD74LS83AP
Manufacturer Renesas
Description 4-bit Binary Full Adder
Published Jul 25, 2021
Detailed Description HD74LS83A 4-bit Binary Full Adder (with Fast Carry) REJ03D0420–0200 Rev.2.00 Feb.18.2005 This improved full adder per...
Datasheet PDF File HD74LS83AP PDF File

HD74LS83AP
HD74LS83AP

Overview
HD74LS83A 4-bit Binary Full Adder (with Fast Carry) REJ03D0420–0200 Rev.
2.
00 Feb.
18.
2005 This improved full adder performs the addition of two 4-bit binary numbers.
The sum (Σ) outputs are provided for each bit and the resultant carry (C4) is obtained from the fourth bit.
This adder features full internal look ahead across all four bit generating the carry term in ten nanoseconds typically.
This provides the system designer with partial lookahead performance at the economy and reduced package count of a ripple-carry implementation.
Features • Ordering Information Part Name Package Type Package Code (Previous Code) Package Abbreviation HD74LS83AP DILP-16 pin PRDP0016AE-B (DP-16FV) P Note: Please consult the sales office for the above package availability.
Taping Abbreviation (Quantity) — Pin Arrangement A4 1 Σ3 2 A3 3 B3 4 VCC 5 Σ2 6 B2 7 A2 8 Σ3 A4 B4 Σ4 A3 C4 B3 C0 Σ2 B1 B2 A2 Σ1 A1 16 B4 15 Σ4 14 C4 13 C0 12 GND 11 B1 10 A1 9 Σ1 (Top view) Rev.
2.
00, Feb.
18.
2005, page 1 of 7 HD74LS83A Function Table Output Input When C0 = L When C0 = H A1 B1 A2 B2 Σ1 A3 B3 A4 B4 Σ2 Σ3 When C2 = L C2 Σ1 Σ4 C4 Σ2 Σ3 When C2 = H C2 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, X; irrelevant Note: Input conditions at A1, B1, A2, B2, and C0 are used to determine outputs Σ1 and Σ2 and the value of the internal carry C2.
The value at C2, A3, B3, A4, and B4 are than used to determine outputs Σ3, Σ4 and C4.
Rev.
2.
00, Feb.
18.
2005, page 2 of 7 HD74LS83A Block Diagram C4 B4 A4...


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