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MC74HCT245A 数据表(PDF) 4 Page - ON Semiconductor |
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MC74HCT245A 数据表(HTML) 4 Page - ON Semiconductor |
4 / 8 page MC74HCT245A http://onsemi.com 4 SWITCHING WAVEFORMS 3.0 V GND tf tr INPUT A OR B OUTPUT B OR A 0.3 V 1.3 V 2.7 V 10% 1.3 V 90% tTLH tPLH tPHL tTHL Figure 1. OUTPUT ENABLE A OR B A OR B 1.3 V 1.3 V 1.3 V 90% 10% tPZL tPLZ tPZH tPHZ 3.0 V GND HIGH IMPEDANCE VOL VOH HIGH IMPEDANCE 3.0 V GND 1.3 V 1.3 V Figure 2. *Includes all probe and jig capacitance CL* TEST POINT DEVICE UNDER TEST OUTPUT Figure 3. *Includes all probe and jig capacitance CL* TEST POINT DEVICE UNDER TEST OUTPUT Figure 4. Test Circuit CONNECT TO VCC WHEN TESTING tPLZ AND tPZL. CONNECT TO GND WHEN TESTING tPHZ AND tPZH. 1 k Ω DIRECTION |
类似零件编号 - MC74HCT245A |
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类似说明 - MC74HCT245A |
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