SN74LS83N ,4-BIT BINARY FULL ADDER WITH FAST CARRYSN54/74LS83A4-BIT BINARY FULL ADDERWITH FAST CARRYThe SN54 /74LS83A is a high-speed 4-Bit binary Fu ..
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SN54LS83J-SN74LS83N
4-Bit Binary Adder with Fast Carry
4-BIT BINARY FULL ADDER
WITH FAST CARRYThe SN54/74LS83A is a high-speed 4-Bit binary Full Adder with internal
carry lookahead. It accepts two 4-bit binary words (A1–A4, B1–B4) and a
Carry Input (C0). It generates the binary Sum outputs ∑1–∑4) and the Carry
Output (C4) from the most significant bit. The LS83A operates with either
active HIGH or active LOW operands (positive or negative logic). The
SN54/74LS283 is recommended for new designs since it is identical in
function with this device and features standard corner power pins. C4 C0 GND B1 A1 Σ1 Σ3 A3 Σ2 B2 A2
CONNECTION DIAGRAM DIP (TOP VIEW) VCC
NOTE:
The Flatpak version has the
same pinouts (Connection
Diagram) as the Dual In-Line
Package.
PIN NAMES LOADING (Note a)A1–A4
B1–B4
Σ1–Σ4
Operand A Inputs
Operand B Inputs
Carry Input
Sum Outputs (Note b)
Carry Output (Note b)
NOTES: 1 TTL Unit Load (U.L.) = 40 μA HIGH/1.6 mA LOW. The Output LOW drive factor is 2.5 U.L. for Military (54) and 5 U.L. for Commercial (74)
Temperature Ranges.
LOGIC DIAGRAMVCC = PIN 5
GND = PIN 12
= PIN NUMBERSA1 B1 A2 B2 A3 B3 A4 B4
