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HEF4024B Datasheet(PDF) 4 Page - NXP Semiconductors |
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HEF4024B Datasheet(HTML) 4 Page - NXP Semiconductors |
4 / 5 page January 1995 4 Philips Semiconductors Product specification 7-stage binary counter HEF4024B MSI AC CHARACTERISTICS VSS = 0 V; Tamb =25 °C; CL = 50 pF; input transition times ≤ 20 ns; see also waveforms Fig.4 VDD V SYMBOL MIN. TYP. MAX. TYPICAL EXTRAPOLATION FORMULA Propagation delays CP → O0 5 100 200 ns 73 ns + (0,55 ns/pF) CL HIGH to LOW 10 tPHL 40 75 ns 29 ns + (0,23 ns/pF) CL 15 25 50 ns 17 ns + (0,16 ns/pF) CL 5 105 210 ns 78 ns + (0,55 ns/pF) CL LOW to HIGH 10 tPLH 45 85 ns 34 ns + (0,23 ns/pF) CL 15 30 60 ns 22 ns + (0,16 ns/pF) CL On → On + 1 5 60 120 ns 33 ns + (0,55 ns/pF) CL HIGH to LOW 10 tPHL 25 50 ns 14 ns + (0,23 ns/pF) CL 15 20 40 ns 12 ns + (0,16 ns/pF) CL 5 50 100 ns 23 ns + (0,55 ns/pF) CL LOW to HIGH 10 tPLH 20 40 ns 9 ns + (0,23 ns/pF) CL 15 15 30 ns 7 ns + (0,16 ns/pF) CL MR → On 5 120 240 ns 93 ns + (0,55 ns/pF) CL HIGH to LOW 10 tPHL 45 90 ns 34 ns + (0,23 ns/pF) CL 15 30 60 ns 22 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 Minimum clock 5 60 30 ns pulse width; HIGH 10 tWCPH 30 15 ns 15 20 10 ns Minimum MR 5 80 40 ns pulse width; HIGH 10 tWMRH 35 20 ns 15 25 15 ns Recovery time 5 20 10 ns for MR 10 tRMR 15 5 ns 15 15 5 ns Maximum clock 5 5 10 MHz pulse frequency 10 fmax 13 25 MHz 15 18 35 MHz |
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