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74ACT273 Datasheet(PDF) 6 Page - Fairchild Semiconductor |
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74ACT273 Datasheet(HTML) 6 Page - Fairchild Semiconductor |
6 / 12 page ©1988 Fairchild Semiconductor Corporation www.fairchildsemi.com 74AC273, 74ACT273 Rev. 1.6.0 6 AC Electrical Characteristics for AC Note: 6. Voltage range 3.3 is 3.3V ± 0.3V. Voltage range 5.0 is 5.0V ± 0.5V. AC Operating Requirements for AC Note: 7. Voltage range 3.3 is 3.3V ± 0.3V. Voltage range 5.0 is 5.0V ± 0.5V. Symbol Parameter VCC (V) (6) TA = +25°C, CL = 50pF TA = –40°C to +85°C, CL = 50pF Units Min. Typ. Max. Min. Max. fMAX Maximum Clock Frequency 3.3 90 125 75 MHz 5.0 140 175 125 tPLH Propagation Delay, Clock to Output 3.3 4.0 7.0 12.5 3.0 14.0 ns 5.0 3.0 5.5 9.0 2.5 10.0 tPHL Propagation Delay, Clock to Output 3.3 4.0 7.0 13.0 3.5 14.5 ns 5.0 3.0 5.0 10.0 2.5 11.0 tPHL Propagation Delay, MR to Output 3.3 4.0 7.0 13.0 3.5 14.0 ns 5.0 3.0 5.0 10.0 2.5 10.5 Symbol Parameter VCC (V) (7) TA = +25°C, CL = 50pF TA = –40°C to +85°C, CL = 50pF Units Typ. Guaranteed Minimum tS Setup Time, HIGH or LOW, Data to CP 3.3 3.5 5.5 6.0 ns 5.0 2.5 4.0 4.5 tH Hold Time, HIGH or LOW, Data to CP 3.3 –2.0 0 0 ns 5.0 –1.0 1.0 1.0 tW Clock Pulse Width, HIGH or LOW 3.3 3.5 5.5 6.0 ns 5.0 2.5 4.0 4.5 tW MR Pulse Width, HIGH or LOW 3.3 2.0 5.5 6.0 ns 5.0 1.5 4.0 4.5 trec Recovery Time, MR to CP 3.3 1.5 3.5 4.5 ns 5.0 1.0 2.0 3.0 |
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