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74LV240 数据表(PDF) 7 Page - NXP Semiconductors |
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74LV240 数据表(HTML) 7 Page - NXP Semiconductors |
7 / 12 page Philips Semiconductors Product specification 74LV240 Octal buffer/line driver; inverting (3-State) 1998 May 20 7 TEST CIRCUIT SWITCH POSITION PULSE GENERATOR RT VI D.U.T. VO CL RL = 1k VCC Test Circuit for Outputs DEFINITIONS VCC VI < 2.7V VCC TEST tPLH/tPHL RT = Termination resistance should be equal to ZOUT of pulse generators. 2.7V 2.7–3.6V w 4.5V VCC 50 pF SV00896 S1 tPLZ/tPZL tPHZ/tPZH Open 2 * VCC GND RL = 1k Open 2 * VCC GND RL = Load resistor CL = Load capacitance includes jig and probe capacitiance. Figure 3. Load circuitry for switching times. |
类似零件编号 - 74LV240 |
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类似说明 - 74LV240 |
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