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HD74HC283P Datasheet(PDF) 2 Page - Renesas Technology Corp |
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HD74HC283P Datasheet(HTML) 2 Page - Renesas Technology Corp |
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2 / 8 page ![]() HD74HC283 Rev.2.00 Jan 31, 2006 page 2 of 7 Function Table Outputs Inputs When C0 = L/When C2 = L When C0 = H/When C2 = H A1/A3 B1/B3 A2/A4 B2/B4 Σ1/Σ3 Σ2/Σ4 C2/C4 Σ1/Σ3 Σ2/Σ4 C2/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 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. Pin Arrangement 1 2 3 4 5 6 7 8 Σ2 B2 A2 Σ1 A1 B1 C0 GND B2 A2 Σ1 A1 B1 C0 B3 A3 Σ3 A4 B4 Σ4 VCC B3 A3 Σ3 A4 B4 Σ4 C4 16 15 14 13 12 11 10 9 (Top view) Σ2 C4 |
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