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74HCT646D Folha de dados(PDF) 8 Page - NXP Semiconductors |
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74HCT646D Folha de dados(HTML) 8 Page - NXP Semiconductors |
8 / 12 page September 1993 8 Philips Semiconductors Product specification Octal bus transceiver/register; 3-state 74HC/HCT646 AC CHARACTERISTICS FOR 74HCT GND = 0 V; tr =tf = 6 ns; CL =50pF SYMBOL PARAMETER Tamb (°C) UNIT TEST CONDITIONS 74HCT VCC (V) WAVEFORMS +25 −40 to +85 −40 to +125 min. typ. max. min. max. min. max. tPHL/ tPLH propagation delay An,Bn to Bn,An 16 30 38 45 ns 4.5 Fig.6 tPHL/ tPLH propagation delay CPAB,CPBA to Bn,An 23 44 55 66 ns 4.5 Fig.7 tPHL/ tPLH propagation delay SAB,SBA to Bn,An 26 46 58 69 ns 4.5 Fig.8 tPZH/ tPZL 3-state output enable time OE to An,Bn 21 40 50 60 ns 4.5 Fig.9 tPHZ/ tPLZ 3-state output disable time OE to An,Bn 20 35 44 53 ns 4.5 Fig.9 tPZH/ tPZL 3-state output enable time DIR to An,Bn 21 40 50 60 ns 4.5 Fig.10 tPHZ/ tPLZ 3-state output disable time DIR to An,Bn 21 35 44 53 ns 4.5 Fig.10 tTHL/ tTLH output transition time 5 12 15 18 ns 4.5 Fig.6 and Fig.8 tW clock pulse width HIGH or LOW CPAB or CPBA 16 8 20 24 ns 4.5 Fig.7 tsu set-up time An,Bn to CPAB,CPBA 12 3 15 18 ns 4.5 Fig.7 th hold time An,Bn to CPAB,CPBA 5 1 5 5 ns 4.5 Fig.7 fmax maximum clock pulse frequency 30 77 24 20 MHz 4.5 Fig.7 |
Nº de peça semelhante - 74HCT646D |
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Descrição semelhante - 74HCT646D |
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