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74HCT273N Datasheet(PDF) 5 Page - NXP Semiconductors |
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74HCT273N Datasheet(HTML) 5 Page - NXP Semiconductors |
5 / 8 page September 1993 5 Philips Semiconductors Product specification Octal D-type flip-flop with reset; positive-edge trigger 74HC/HCT273 DC CHARACTERISTICS FOR 74HC For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”. Output capability: standard ICC category: MSI AC CHARACTERISTICS FOR 74HC GND = 0 V; tr =tf = 6 ns; CL = 50 pF SYMBOL PARAMETER Tamb (°C) UNIT TEST CONDITIONS 74HC VCC (V) WAVEFORMS +25 −40 to +85 −40 to +125 min. typ. max. min. max. min. max. tPHL/ tPLH propagation delay CP to Qn 41 15 13 150 30 26 185 37 31 225 45 38 ns 2.0 4.5 6.0 Fig.6 tPHL propagation delay MR to Qn 44 16 14 150 30 26 185 37 31 225 45 38 ns 2.0 4.5 6.0 Fig.7 tTHL/ tTLH output transition time 19 7 6 75 15 13 95 19 15 110 22 19 ns 2.0 4.5 6.0 Fig.6 tW clock pulse width HIGH or LOW 80 16 14 14 5 4 100 20 17 120 24 20 ns 2.0 4.5 6.0 Fig.6 tW master reset pulse width LOW 60 12 10 17 6 5 75 15 13 90 18 15 ns 2.0 4.5 6.0 Fig.7 trem removal time MR to CP 50 10 9 −6 −2 −2 65 13 11 75 15 13 ns 2.0 4.5 6.0 Fig.7 tsu set-up time Dn to CP 60 12 10 11 4 3 75 15 13 90 18 15 ns 2.0 4.5 6.0 Fig.8 th hold time Dn to CP 3 3 3 −6 −2 −2 3 3 3 3 3 3 ns 2.0 4.5 6.0 Fig.8 fmax maximum clock pulse frequency 6.0 30 35 20.6 103 122 4.8 24 28 4.0 20 24 MHz 2.0 4.5 6.0 Fig.6 |
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