전자부품 데이터시트 검색엔진 |
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74F538SC 데이터시트(PDF) 2 Page - Fairchild Semiconductor |
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74F538SC 데이터시트(HTML) 2 Page - Fairchild Semiconductor |
2 / 7 page www.fairchildsemi.com 2 Unit Loading/Fan Out Truth Table H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance Pin Names Description U.L. Input IIH/IIL HIGH/LOW Output IOH/IOL A0–A2 Address Inputs 1.0/1.0 20 µA/−0.6 mA E1, E2 Enable Inputs (Active LOW) 1.0/1.0 20 µA/−0.6 mA E3, E4 Enable Inputs (Active HIGH) 1.0/1.0 20 µA/−0.6 mA P Polarity Control Input 1.0/1.0 20 µA/−0.6 mA OE1, OE2 Output Enable Inputs (Active LOW) 1.0/1.0 20 µA/−0.6 mA O0–O7 3-STATE Outputs 150/40 (33.3) −3 mA/24 mA (20 mA) Function Inputs Outputs OE1 OE2 E1 E2 E3 E4 A2 A1 A0 O0 O1 O2 O3 O4 O5 O6 O7 High H X X XXX XXX Z Z Z Z Z Z Z Z Impedance X H X XXX XXX Z Z Z Z Z Z Z Z Disable L L H XXX XXX L L X H XX XXX Outputs Equal P Input L L X X L X XXX L L X X X L XXX Active HIGH L L LL H H LL L H L LLL LLL Output L L LL H H LL H L H LLL LLL (P = L) L L LL H H L H LLL H L L LLL L L LL H H L H H L L L H L LLL L L LL H H H L LLL LL H LLL L L L L H H HL HL L L L L HL L L L LL H H H H LLL LLL L H L L L LL H H H H H L L LLL LL H Active LOW L L L L H H L L L L H HHH HHH Output L L L L H H L L HH L HHH HHH (P = H) L L L L H H L H L H H L HH HHH L L L L H H L H HHH H L H HHH L L L L HH H L L H HH H L H H H L L L L H H H L HHH HHH L H H L L L L H HHH L H H HHH H L H L L L L H HHH HHH HHH HH L |
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유사한 설명 - 74F538SC |
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