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MC74ACT273DWR2 Datasheet(PDF) 2 Page - ON Semiconductor |
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MC74ACT273DWR2 Datasheet(HTML) 2 Page - ON Semiconductor |
2 / 7 page MC74AC273, MC74ACT273 http://onsemi.com 2 Figure 2. Logic Symbol Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 D0 D1 D2 D3 D4 D5 D6 D7 CP MR MODE SELECT-FUNCTION TABLE Operating Mode Inputs Outputs Operating Mode MR CP Dn Qn Reset (Clear) L X X L Load ′1′ H H H Load ′0′ H L L H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial = LOW-to-HIGH Clock Transition Figure 3. Logic Diagram D0 D1 D2 D3 D4 D5 D6 D7 O0 O1 O2 O3 O4 O5 O6 O7 DQ CP RD DQ CP RD DQ CP RD DQ CP RD DQ CP RD DQ CP RD DQ CP RD DQ CP RD CP MR NOTE: That this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays. MAXIMUM RATINGS* Symbol Parameter Value Unit VCC DC Supply Voltage (Referenced to GND) –0.5 to +7.0 V VIN DC Input Voltage (Referenced to GND) –0.5 to VCC +0.5 V VOUT DC Output Voltage (Referenced to GND) –0.5 to VCC +0.5 V IIN DC Input Current, per Pin ±20 mA IOUT DC Output Sink/Source Current, per Pin ±50 mA ICC DC VCC or GND Current per Output Pin ±50 mA Tstg Storage Temperature –65 to +150 °C *Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended Operating Conditions. |
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