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SN74F283DE4 데이터시트(PDF) 3 Page - Texas Instruments |
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SN74F283DE4 데이터시트(HTML) 3 Page - Texas Instruments |
3 / 16 page SN54F283, SN74F283 4BIT BINARY FULL ADDERS WITH FAST CARRY SDFS069A − D2932, MARCH 1987 − REVISED OCTOBER 1993 2−3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 FUNCTION TABLE OUTPUTS INPUTS WHEN C0 = L WHEN C0 = H INPUTS WHEN C2 = L WHEN C2 = H A1 B1 A2 B2 Σ1 Σ2 C2 Σ1 Σ2 C2 A3 B3 A4 B4 Σ3 Σ4 C4 Σ3 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 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 values at C2, A3, B3, A4, and B4 are then used to determine outputs Σ3, Σ4, and C4. absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage range, VCC −0.5 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage range (see Note 1) −1.2 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input current range −30 mA to 5 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Voltage range applied to any output in the high state −0.5 V to VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Current into any output in the low state 40 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating free-air temperature range: SN54F283 −55 °C to 125°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SN74F283 0 °C to 70°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range −65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . † Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTE 1: The input voltage ratings may be exceeded provided the input current ratings are observed. |
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