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74VCX16244DT Folha de dados(PDF) 8 Page - ON Semiconductor |
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74VCX16244DT Folha de dados(HTML) 8 Page - ON Semiconductor |
8 / 10 page 74VCX16244 http://onsemi.com 8 WAVEFORM 3 − PROPAGATION DELAYS tR = tF = 2.0 ns, 10% to 90%; f = 1 MHz; tW = 500 ns VIH 0V VOH VOL Dn On tPHL tPLH WAVEFORM 4 − OUTPUT ENABLE AND DISABLE TIMES tR = tF = 2.0 ns, 10% to 90%; f = 1 MHz; tW = 500 ns VIH 0V ≈ 0V OEn On tPZH ≈ VCC tPHZ tPZL tPLZ On Vm Vm Vm Vm Vm Vm Figure 6. AC Waveforms Vm VOH Vy Vx VOL Table 4. AC WAVEFORMS VCC Symbol 3.3 V ± 0.3 V 2.7 V VIH 2.7 V 2.7 V Vm 1.5 V 1.5 V Vx VOL + 0.3 V VOL + 0.3 V Vy VOH − 0.3 V VOH − 0.3 V OPEN PULSE GENERATOR RT DUT VCC RL RL CL 6V or VCC × 2 GND Figure 7. Test Circuit Table 5. TEST CIRCUIT TEST SWITCH tPLH, tPHL Open tPZL, tPLZ 6 V at VCC = 3.3 ± 0.3 V; VCC × 2 at VCC = 2.5 ± 0.2 V; 1.8 ± 0.15 V tPZH, tPHZ GND CL = 50 pF or equivalent (Includes jig and probe capacitance) RL = 500 W or equivalent RT = ZOUT of pulse generator (typically 50W) |
Nº de peça semelhante - 74VCX16244DT |
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Descrição semelhante - 74VCX16244DT |
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