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HEF4534BP Datasheet(PDF) 8 Page - NXP Semiconductors |
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HEF4534BP Datasheet(HTML) 8 Page - NXP Semiconductors |
8 / 10 page January 1995 8 Philips Semiconductors Product specification Real time 5-decade counter HEF4534B LSI AC CHARACTERISTICS VSS = 0 V; Tamb =25 °C; CL = 50 pF; input transition times ≤ 20 ns 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 VDD V SYMBOL MIN. TYP. MAX. 3-state propagation delays Output disable times EO → On; 5 30 60 ns EOS → OSn 10 tPHZ 25 50 ns HIGH 15 20 40 ns 540 80 ns LOW 10 tPLZ 25 50 ns 15 20 40 ns Output enable times EO → On; 5 35 70 ns EOS → OSn 10 tPZH 20 40 ns HIGH 15 15 30 ns 5 50 100 ns LOW 10 tPZL 25 50 ns 15 15 30 ns Minimum clock pulse 5 70 35 ns width; CPA, CPS 10 tWCPH 40 20 ns HIGH 15 30 15 ns Minimum reset pulse 5 90 45 ns width; MR, MRsc 10 tWMRH 60 30 ns HIGH 15 40 20 ns Recovery time 5 120 60 ns for MR 10 tRMR 60 30 ns 15 50 25 ns Recovery time 5 60 30 ns for MRsc 10 tRMR 40 20 ns 15 30 15 ns VDD V SYMBOL MIN. TYP. MAX. TYPICAL EXTRAPOLATION FORMULA |
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