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74HC688N Datasheet(PDF) 5 Page - NXP Semiconductors |
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74HC688N Datasheet(HTML) 5 Page - NXP Semiconductors |
5 / 7 page December 1990 5 Philips Semiconductors Product specification 8-bit magnitude comparator 74HC/HCT688 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 Pn, Qn to P = Q 55 20 16 170 34 29 215 43 37 255 51 43 ns 2.0 4.5 6.0 Fig.6 tPHL/ tPLH propagation delay E to P = Q 28 10 8 120 24 20 150 30 26 180 36 31 ns 2.0 4.5 6.0 Fig.7 tTHL/ tTLH output transition time 19 7 6 75 15 13 95 19 16 110 22 19 ns 2.0 4.5 6.0 Figs 6 and 7 |
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