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HEF4008BT Datasheet(PDF) 4 Page - NXP Semiconductors |
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HEF4008BT Datasheet(HTML) 4 Page - NXP Semiconductors |
4 / 5 page January 1995 4 Philips Semiconductors Product specification 4-bit binary full adder HEF4008B MSI AC CHARACTERISTICS VSS = 0 V; Tamb =25 °C; CL = 50 pF; input transition times ≤ 20 ns VDD V SYMBOL MIN. TYP. MAX. TYPICAL EXTRAPOLATION FORMULA Propagation delays sum in → sum out 5 150 300 ns 123 ns + (0,55 ns/pF) CL HIGH to LOW 10 tPHL 55 110 ns 44 ns + (0,23 ns/pF) CL 15 40 80 ns 32 ns + (0,16 ns/pF) CL 5 135 270 ns 108 ns + (0,55 ns/pF) CL LOW to HIGH 10 tPLH 55 110 ns 44 ns + (0,23 ns/pF) CL 15 40 80 ns 32 ns + (0,16 ns/pF) CL sum in → COUT 5 125 250 ns 98 ns + (0,55 ns/pF) CL HIGH to LOW 10 tPHL 50 100 ns 39 ns + (0,23 ns/pF) CL 15 35 70 ns 27 ns + (0,16 ns/pF) CL 5 100 200 ns 73 ns + (0,55 ns/pF) CL LOW to HIGH 10 tPLH 45 90 ns 34 ns + (0,23 ns/pF) CL 15 30 60 ns 22 ns + (0,16 ns/pF) CL CIN → sum out 5 130 260 ns 103 ns + (0,55 ns/pF) CL HIGH to LOW 10 tPHL 50 100 ns 39 ns + (0,23 ns/pF) CL 15 35 70 ns 27 ns + (0,16 ns/pF) CL 5 115 230 ns 88 ns + (0,55 ns/pF) CL LOW to HIGH 10 tPLH 50 100 ns 39 ns + (0,23 ns/pF) CL 15 35 70 ns 27 ns + (0,16 ns/pF) CL CIN → COUT 5 90 180 ns 63 ns + (0,55 ns/pF) CL HIGH to LOW 10 tPHL 35 70 ns 24 ns + (0,23 ns/pF) CL 15 25 50 ns 17 ns + (0,16 ns/pF) CL 5 75 150 ns 48 ns + (0,55 ns/pF) CL LOW to HIGH 10 tPLH 35 70 ns 24 ns + (0,23 ns/pF) CL 15 25 50 ns 17 ns + (0,16 ns/pF) CL Output transition times 5 60 120 ns 10 ns + (1,0 ns/pF) CL HIGH to LOW 10 tTHL 30 60 ns 9 ns + (0,42 ns/pF) CL 15 20 40 ns 6 ns + (0,28 ns/pF) CL 5 60 120 ns 10 ns + (1,0 ns/pF) CL LOW to HIGH 10 tTLH 30 60 ns 9 ns + (0,42 ns/pF) CL 15 20 40 ns 6 ns + (0,28 ns/pF) CL |
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