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74AC191PC 数据表(PDF) 6 Page - Fairchild Semiconductor |
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74AC191PC 数据表(HTML) 6 Page - Fairchild Semiconductor |
6 / 10 page www.fairchildsemi.com 6 AC Operating Requirements Note 7: Voltage Range 3.3 is 3.3V ± 0.3V Voltage Range 5.0 is 5.0V ± 0.5V Capacitance VCC TA = +25°CTA = −40°C to +85°C Symbol Parameter (V) C L = 50 pF CL = 50 pF Units (Note 7) Typ Guaranteed Minimum tS Setup Time, HIGH or LOW 3.3 1.0 3.0 3.0 ns Pn to PL 5.0 0.5 2.0 2.5 tH Hold Time, HIGH or LOW 3.3 −1.5 0.5 1.0 ns Pn to PL 5.0 −0.5 1.0 1.0 tS Setup Time, LOW 3.3 3.0 6.0 7.0 ns CE to CP 5.0 1.5 4.0 4.5 tH Hold Time, LOW 3.3 −4.0 −0.5 −0.5 ns CE to CP 5.0 −2.5 0 0 tS Setup Time, HIGH or LOW 3.3 4.0 8.0 9.0 ns U/D to CP 5.0 2.5 5.5 6.5 tH Hold Time, HIGH or LOW 3.3 −5.0 0 0 ns U/D to CP 5.0 −3.0 0.5 0.5 tW PL Pulse Width, LOW 3.3 2.0 3.5 4.0 ns 5.0 1.0 1.0 1.0 tW CP Pulse Width, LOW 3.3 2.0 3.5 4.0 ns 5.0 2.0 3.0 4.0 trec Recovery Time 3.3 −0.5 0 0 ns PL to CP 5.0 −1.0 0 0 Symbol Parameter Typ Units Conditions CIN Input Capacitance 4.5 pF VCC = OPEN CPD Power Dissipation Capacitance 75.0 pF VCC = 5.0V |
类似零件编号 - 74AC191PC |
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类似说明 - 74AC191PC |
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