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74VCX16245 数据表(PDF) 7 Page - ON Semiconductor |
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74VCX16245 数据表(HTML) 7 Page - ON Semiconductor |
7 / 8 page 74VCX16245 http://onsemi.com 7 WAVEFORM 3 − PROPAGATION DELAYS tR = tF = 2.0ns, 10% to 90%; f = 1MHz; tW = 500ns VIH 0V VOH VOL An, Bn Bn, An tPHL tPLH WAVEFORM 4 − OUTPUT ENABLE AND DISABLE TIMES tR = tF = 2.0ns, 10% to 90%; f = 1MHz; tW = 500ns VIH 0V ≈ 0V OEn, T/Rn An, Bn tPZH ≈ VCC tPHZ tPZL tPLZ An, Bn Vm Vm Vm Vm Vm Vm Figure 6. AC Waveforms Vm VOH Vy Vx VOL Vm VCC Symbol 3.3V ±0.3V 2.7V VIH 2.7V 2.7V Vm 1.5V 1.5V Vx VOL + 0.3V VOL + 0.3V Vy VOH − 0.3V VOH − 0.3V OPEN PULSE GENERATOR RT DUT VCC RL RL CL 6V or VCC × 2 GND TEST SWITCH tPLH, tPHL Open tPZL, tPLZ 6V at VCC = 3.3 ±0.3V; VCC × 2 at VCC = 2.5 ±0.2V; 1.8 ±0.15V tPZH, tPHZ GND CL = 50pF or equivalent (Includes jig and probe capacitance) RL = 500W or equivalent RT = ZOUT of pulse generator (typically 50W) Figure 7. Test Circuit |
类似零件编号 - 74VCX16245 |
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类似说明 - 74VCX16245 |
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