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54F676LM 数据表(PDF) 4 Page - National Semiconductor (TI) |
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54F676LM 数据表(HTML) 4 Page - National Semiconductor (TI) |
4 / 10 page AC Electrical Characteristics 74F 54F 74F TA ea25 C TA VCC e Mil TA VCC e Com Symbol Parameter VCC ea50V CL e 50 pF CL e 50 pF Units CL e 50 pF Min Typ Max Min Max Min Max fmax Maximum Clock Frequency 100 110 45 90 MHz tPLH Propagation Delay 45 90 110 45 170 45 120 ns tPHL CP to SO 50 90 125 50 145 50 135 AC Operating Requirements 74F 54F 74F Symbol Parameter TA ea25 C TA VCC e Mil TA VCC e Com Units VCC ea50V Min Max Min Max Min Max ts(H) Setup Time HIGH or LOW 40 40 40 ts(L) SI to CP 40 40 40 ns th(H) Hold Time HIGH or LOW 40 40 40 th(L) SI to CP 40 40 40 ts(H) Setup Time HIGH or LOW 30 30 30 ts(L) Pn to CP 30 30 30 ns th(H) Hold Time HIGH or LOW 40 40 40 th(L) Pn to CP 40 40 40 ts(H) Setup Time HIGH or LOW 80 80 80 ts(L) MtoCP 80 80 80 ns th(H) Hold Time HIGH or LOW 20 20 20 th(L) MtoCP 20 20 20 ts(L) Setup Time LOW 100 120 100 CS to CP ns th(H) Hold Time HIGH 100 100 100 CS to CP tw(H) CP Pulse Width 40 50 40 ns tw(L) HIGH or LOW 60 90 60 4 |
类似零件编号 - 54F676LM |
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类似说明 - 54F676LM |
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