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74HCT85N Datasheet(PDF) 6 Page - NXP Semiconductors |
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74HCT85N Datasheet(HTML) 6 Page - NXP Semiconductors |
6 / 9 page December 1990 6 Philips Semiconductors Product specification 4-bit magnitude comparator 74HC/HCT85 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) TEST CONDITIONS 74HC UNIT VCC (V) WAVEFORMS +25 −40 to +85 −40 to +125 min. typ. max. min. max. min. max. tPHL/ tPLH propagation delay An, Bn to QA>B or QA<B 63 23 18 195 39 33 245 49 42 295 59 50 ns 2.0 4.5 6.0 Fig.6 tPHL/ tPLH propagation delay An, Bn to QA=B 58 21 17 175 35 30 220 44 37 265 53 45 ns 2.0 4.5 6.0 Fig.6 tPHL/ tPLH propagation delay IA<B, IA=B, IA>B to QA<B, QA>B 50 18 14 140 28 24 175 35 30 210 42 36 ns 2.0 4.5 6.0 Fig.6 tPHL/ tPLH propagation delay IA=B to QA=B 39 14 11 120 24 20 150 30 26 180 36 31 ns 2.0 4.5 6.0 Fig.6 tTHL/ tTLH output transition time 19 7 6 75 15 13 95 19 16 110 22 19 ns 2.0 4.5 6.0 Fig.6 |
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