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HEF4029B Datasheet(PDF) 9 Page - NXP Semiconductors |
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HEF4029B Datasheet(HTML) 9 Page - NXP Semiconductors |
9 / 14 page January 1995 9 Philips Semiconductors Product specification Synchronous up/down counter, binary/decade counter HEF4029B MSI AC CHARACTERISTICS VSS = 0 V; Tamb =25 °C; CL = 50 pF; input transition times ≤ 20 ns VDD V SYMBOL MIN TYP MAX Minimum clock 5 110 55 ns see also waveforms Figs 7 and 8 pulse width; LOW 10 tWCPL 35 20 ns 15 25 15 ns Minimum PL 5 160 80 ns pulse width; HIGH 10 tWPLH 55 25 ns 15 35 15 ns Recovery time 5 150 75 ns for PL 10 tRPL 50 25 ns 15 35 20 ns Set-up times 5 270 135 ns BIN/DEC → CP 10 tsu 90 45 ns 15 60 30 ns 5 300 150 ns UP/DN → CP 10 tsu 105 55 ns 15 75 35 ns 5 240 120 ns CE → CP 10 tsu 90 50 ns 15 70 40 ns 570 35 ns Pn → PL 10 tsu 20 10 ns 15 10 5 ns Hold times 5 45 −90 ns BIN/DEC → CP 10 thold 15 −30 ns 15 10 −20 ns 515 −135 ns UP/DN → CP 10 thold 0 −50 ns 15 −5 −35 ns 530 −30 ns CE → CP 10 thold 10 −10 ns 15 5 −10 ns 515 −20 ns Pn → PL 10 thold 0 −10 ns 15 0 −5ns Maximum clock 5 2 4 MHz pulse frequency 10 fmax 5 10 MHz 15 8 15 MHz |
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