SN74LS283
4−Bit Binary Full Adder with Fast Carry
The SN74LS283 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 LS283 operates with either active HIGH or active LOW operands (positive or negative logic).
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min Typ Max Unit
VCC
Supply Voltage
TA
Operating Ambient
Temperature Range
4.
75 5.
0 5.
25
V
0
25
70
°C
IOH
Output Current − High
IOL
Output Current − Low
−0.
4 mA
8.
0
mA
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