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DESCRIPTION The M74HC283 is an high speed CMOS 4 BIT BINARY FULL ADDER fabricated with silicon gate C2MOS technology. ■ HIGH SPEED : tPD = 17ns (TYP.) at VCC = 6V ■ LOW POWER DISSIPATION: ICC =4µA(MAX.) at TA=25°C ■ HIGH NOISE IMMUNITY: VNIH = VNIL = 28 % VCC (MIN.) ■ SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 4mA (MIN) ■ BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL ■ WIDE OPERATING VOLTAGE RANGE: VCC (OPR) = 2V to 6V ■ FULL-CARRY LOOK-AHEAD ACROSS THE FOUR BITS ■ PARTIAL LOOK-AHEAD WITH THE ECONOMY OF RIPPLE CARRY ■ PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 283
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