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74F162A 数据表(PDF) 5 Page - Fairchild Semiconductor |
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74F162A 数据表(HTML) 5 Page - Fairchild Semiconductor |
5 / 7 page 5 www.fairchildsemi.com AC Electrical Characteristics AC Operating Requirements Symbol Parameter TA = +25°CTA = −55°C to +125°CTA = 0°C to +70°C Units VCC = +5.0V VCC = +5.0V VCC = +5.0V CL = 50 pF CL = 50 pF CL = 50 pF Min Typ Max Min Max Min Max fMAX Maximum Count Frequency 90 120 75 80 MHz tPLH Propagation Delay, Count 3.5 5.5 7.5 3.5 9.0 3.5 8.5 ns tPHL CP to Qn (PE Input HIGH) 3.5 7.5 10.0 3.5 11.5 3.5 11.0 tPLH Propagation Delay, Load 4.0 6.0 8.5 4.0 10.0 4.0 9.5 ns tPHL CP to Qn (PE Input LOW) 4.0 6.0 8.5 4.0 10.0 4.0 9.5 tPLH Propagation Delay 5.0 10.0 14.0 5.0 16.5 5.0 15.0 ns tPHL CP to TC 5.0 10.0 14.0 5.0 15.5 5.0 15.0 tPLH Propagation Delay 2.5 4.5 7.5 2.5 9.0 2.5 8.5 ns tPHL CET to TC 2.5 4.5 7.5 2.5 9.0 2.5 8.5 Symbol Parameter TA = +25°CTA = −55°C to +125°CTA = 0°C to +70°C Units VCC = +5.0V VCC = +5.0V VCC = +5.0V Min Max Min Max Min Max tS(H) Setup Time, HIGH or LOW 5.0 5.0 ns tS(L) Pn to CP 5.0 5.0 tH(H) Hold Time, HIGH or LOW 2.0 2.5 2.0 tH(L) Pn to CP 2.0 2.5 2.0 tS(H) Setup Time, HIGH or LOW 11.0 13.5 11.5 ns tS(L) PE or SR to CP 8.5 10.5 9.5 tH(H) Hold Time, HIGH or LOW 2.0 2.0 2.0 tH(L) PE or SR to CP 0 0 0 tS(H) Setup Time, HIGH or LOW 11.0 13.0 11.5 ns tS(L) CEP or CET to CP 5.0 6.0 5.0 tH(H) Hold Time, HIGH or LOW 0 0 0 tH(L) CEP or CET to CP 0 0 0 tW(H) Clock Pulse Width (Load) 5.0 5.0 5.0 ns tW(L) HIGH or LOW 5.0 5.0 5.0 tW(H) Clock Pulse Width (Count) 4.0 5.0 4.0 ns tW(L) HIGH or LOW 6.0 8.0 7.0 |
类似零件编号 - 74F162A |
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类似说明 - 74F162A |
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