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TC74LCX257FT датащи(PDF) 5 Page - Toshiba Semiconductor |
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TC74LCX257FT датащи(HTML) 5 Page - Toshiba Semiconductor |
5 / 10 page TC74LCX257F/FN/FT 2007-10-19 5 Dynamic Switching Characteristics (Ta = 25°C, input: tr = tf = 2.5 ns, CL = 50 pF, RL = 500 Ω) Characteristics Symbol Test Condition VCC (V) Typ. Unit Quiet output maximum dynamic VOL VOLP VIH = 3.3 V, VIL = 0 V 3.3 0.8 V Quiet output minimum dynamic VOL |VOLV| VIH = 3.3 V, VIL = 0 V 3.3 0.8 V Capacitive Characteristics (Ta = 25°C) Characteristics Symbol Test Condition VCC (V) Typ. Unit Input capacitance CIN ⎯ 3.3 7 pF Output capacitance COUT ⎯ 3.3 8 pF Power dissipation capacitance CPD fIN = 10 MHz (Note) 3.3 25 pF Note: CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load. Average operating current can be obtained by the equation: ICC (opr) = CPD・VCC・fIN + ICC AC Test Circuit AC Waveform Figure 2 tpLH, tpHL 90% 10% Non-Inverting Output Input VOL VOH GND 2.7 V 1.5 V tpLH tpHL tr 2.5 ns tf 2.5 ns 1.5 V Inverting Output VOL VOH 1.5 V tpHL tpLH Open 6.0 V GND Switch Output Measure RL = 500 Ω CL = 50 pF Parameter Switch tpLH, tpHL Open tpLZ, tpZL 6.0 V tpHZ, tpZH GND Figure 1 |
Аналогичный номер детали - TC74LCX257FT |
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Аналогичное описание - TC74LCX257FT |
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