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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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74F646BSC 데이터시트(PDF) 7 Page - Fairchild Semiconductor |
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74F646BSC 데이터시트(HTML) 7 Page - Fairchild Semiconductor |
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7 / 9 page  7 www.fairchildsemi.com AC Electrical Characteristics 74F646B AC Operating Requirements 74F646B 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 Max Min Max Min Max fMAX Maximum Clock Frequency 165 150 MHz tPLH Propagation Delay 2.5 7.0 2.5 8.0 ns tPHL Clock to Bus 3.0 7.5 3.0 8.0 tPLH Propagation Delay 2.0 6.0 2.0 7.0 ns tPHL Bus to Bus 2.0 6.0 2.0 7.0 tPLH Propagation Delay 2.5 7.5 2.5 8.5 ns tPHL SBA or SAB to A or B 2.5 7.5 2.5 8.5 tPZH Enable Time 2.5 6.5 2.5 8.0 ns tPZL OE to A or B 2.5 9.0 2.5 10.0 tPHZ Disable Time 1.5 6.5 1.5 7.5 ns tPLZ OE to A or B 2.07.0 2.08.5 tPZH Enable Time 2.0 7.0 2.0 8.5 ns tPZL DIR to A or B 3.0 9.5 3.0 10.0 tPHZ Disable Time 1.5 7.5 1.5 8.5 ns tPLZ DIR to A or B 2.5 8.5 2.5 9.5 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 4.0 ns tS(L) Bus to Clock 5.0 4.0 tH(H) Hold Time, HIGH or LOW 1.5 1.5 ns tH(L) Bus to Clock 1.5 1.5 tW(H) Clock Pulse Width 5.0 5.0 ns tW(L) HIGH or LOW 5.0 5.0 |
유사한 부품 번호 - 74F646BSC |
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유사한 설명 - 74F646BSC |
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