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74HC259DB Fiches technique(PDF) 7 Page - NXP Semiconductors |
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74HC259DB Fiches technique(HTML) 7 Page - NXP Semiconductors |
7 / 11 page December 1990 7 Philips Semiconductors Product specification 8-bit addressable latch 74HC/HCT259 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 D to Qn 58 21 17 185 37 31 230 46 39 280 56 48 ns 2.0 4.5 6.0 Fig.7 tPHL/ tPLH propagation delay An to Qn 58 21 17 185 37 31 230 46 39 280 56 48 ns 2.0 4.5 6.0 Fig.8 tPHL/ tPLH propagation delay LE to Qn 55 20 16 170 34 29 215 43 37 255 51 43 ns 2.0 4.5 6.0 Fig.6 tPHL propagation delay MR to Qn 50 18 14 155 31 26 195 39 33 235 47 40 ns 2.0 4.5 6.0 Fig.9 tTHL/ tTLH output transition time 19 7 6 75 15 13 95 19 16 119 22 19 ns 2.0 4.5 6.0 Figs 6 and 7 tW LE pulse width HIGH or LOW 70 14 12 17 6 5 90 18 15 105 21 18 ns 2.0 4.5 6.0 Fig.6 tW MR pulse width LOW 70 14 12 17 6 5 90 18 15 105 21 18 ns 2.0 4.5 6.0 Fig.9 tsu set-up time D, An to LE 80 16 14 19 7 6 100 20 17 120 24 20 ns 2.0 4.5 6.0 Figs 10 and 11 th hold time D to LE 0 0 0 −19 −6 −5 0 0 0 0 0 0 ns 2.0 4.5 6.0 Fig.10 th hold time An to LE 2 2 2 −11 −4 −3 2 2 2 2 2 2 ns 2.0 4.5 6.0 Fig.11 |
Numéro de pièce similaire - 74HC259DB |
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Description similaire - 74HC259DB |
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