поискавой системы для электроныых деталей |
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74HCT253N датащи(PDF) 5 Page - NXP Semiconductors |
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74HCT253N датащи(HTML) 5 Page - NXP Semiconductors |
5 / 7 page December 1990 5 Philips Semiconductors Product specification Dual 4-input multiplexer; 3-state 74HC/HCT253 DC CHARACTERISTICS FOR 74HC For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”. Output capability: bus driver 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 1In to nY; 2In to nY 55 20 16 175 35 30 220 44 37 265 53 45 ns 2.0 4.5 6.0 Fig.6 tPHL/ tPLH propagation delay Sn to nY 58 21 17 175 35 30 220 44 37 265 53 45 ns 2.0 4.5 6.0 Fig.6 tPZH/ tPZL 3-state output enable time nOE to nY 30 11 9 100 20 17 125 25 21 150 30 26 ns 2.0 4.5 6.0 Fig.7 tPHZ/ tPLZ 3-state output disable time nOE to nY 41 15 12 150 30 26 190 38 33 225 45 38 ns 2.0 4.5 6.0 Fig.7 tTHL/ tTLH output transition time 14 5 4 60 12 10 75 15 13 90 18 15 ns 2.0 4.5 6.0 Fig.6 |
Аналогичный номер детали - 74HCT253N |
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Аналогичное описание - 74HCT253N |
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