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HEF4044 Datasheet(PDF) 4 Page - NXP Semiconductors |
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HEF4044 Datasheet(HTML) 4 Page - NXP Semiconductors |
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4 / 5 page  January 1995 4 Philips Semiconductors Product specification Quadruple R/S latch with 3-state outputs HEF4044B MSI AC CHARACTERISTICS VSS =0V; Tamb =25 °C; CL = 50 pF; input transition times ≤ 20 ns VDD V SYMBOL MIN. TYP. MAX. TYPICAL EXTRAPOLATION FORMULA Propagation delays Rn → On 5 90 185 ns 63 ns + (0,55 ns/pF) CL HIGH to LOW 10 tPHL 40 80 ns 29 ns + (0,23 ns/pF) CL 15 30 60 ns 22 ns + (0,16 ns/pF) CL Sn → On 5 90 180 ns 63 ns + (0,55 ns/pF) CL LOW to HIGH 10 tPLH 40 80 ns 29 ns + (0,23 ns/pF) CL 15 30 60 ns 22 ns + (0,16 ns/pF) CL Output transition 5 60 120 ns 10 ns + (1,0 ns/pF) CL times 10 tTHL 30 60 ns 9 ns + (0,42 ns/pF) CL HIGH to LOW 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 3-state propagation delays Output disable times EO → O n 5 50 100 ns HIGH 10 tPHZ 30 60 ns 15 25 50 ns 530 60 ns LOW 10 tPLZ 25 45 ns 15 20 40 ns Output enable times EO → O n 5 50 100 ns HIGH 10 tPZH 25 50 ns 15 20 40 ns 550 95 ns LOW 10 tPZL 25 45 ns 15 20 35 ns Minimum Sn 530 15 ns see also waveforms Fig.5 pulse width; LOW 10 tWSL 20 10 ns 15 16 8 ns Minimum Rn 530 15 ns pulse width; LOW 10 tWRL 20 10 ns 15 16 8 ns |
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