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74HC237N Datasheet(PDF) 6 Page - NXP Semiconductors |
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74HC237N Datasheet(HTML) 6 Page - NXP Semiconductors |
6 / 9 page December 1990 6 Philips Semiconductors Product specification 3-to-8 line decoder/demultiplexer with address latches 74HC/HCT237 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 An to Yn 52 19 15 160 32 27 200 40 34 240 48 41 ns 2.0 4.5 6.0 Fig.6 tPHL/ tPLH propagation delay LE to Yn 61 22 18 190 38 32 240 48 41 285 57 48 ns 2.0 4.5 6.0 Fig.7 tPHL/ tPLH propagation delay E1 to Yn 47 17 14 145 29 25 180 36 31 220 44 38 ns 2.0 4.5 6.0 Fig.7 tPHL/ tPLH propagation delay E2 to Yn 47 17 14 145 29 25 180 36 31 220 44 38 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 tW LE pulse width LOW 50 10 9 11 4 3 65 13 11 75 15 13 ns 2.0 4.5 6.0 Fig.8 tsu set-up time An to LE 50 10 9 6 2 2 65 13 11 75 15 13 ns 2.0 4.5 6.0 Fig.8 th hold time An to LE 30 6 5 3 1 1 40 8 7 45 9 8 ns 2.0 4.5 6.0 Fig.8 |
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