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74ACT818SPC 数据表(PDF) 5 Page - Fairchild Semiconductor |
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74ACT818SPC 数据表(HTML) 5 Page - Fairchild Semiconductor |
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5 / 6 page  5 www.fairchildsemi.com AC Operating Requirements Note 5: Voltage range 5.0 is 5.0V ± 0.5V. Capacitance VCC TA = +25°CTA = −40°C to +85°C Symbol Parameter (V) CL = 50 pF CL = 50 pF Units (Note 5) Typ Guaranteed Minimum tS Setup Time 5.0 1.0 4.0 5.0 ns D to PCLK tH Hold Time 5.0 0.0 1.0 1.0 ns D to PCLK tH Setup Time 5.0 2.5 4.5 5.5 ns MODE to PCLK tH Hold Time 5.0 −1.0 0.0 0.0 ns MODE to PCLK tS Setup Time 5.0 0.5 2.5 2.5 ns Y to DCLK tS Hold Time 5.0 0 1.0 1.5 ns Y to DCLK tS Setup Time 5.0 2.0 4.0 4.0 ns MODE to DCLK tH Hold Time 5.0 −0.5 1.0 1.0 ns MODE to DCLK tS Setup Time 5.0 2.0 3.5 4.5 ns SDI to DCLK tH Hold Time 5.0 −0.5 1.0 1.0 ns SDI to DCLK tS Setup Time 5.0 6.0 9.0 10.5 ns DCLK to PCLK tS Setup Time 5.0 6.0 11.0 11.5 ns PCLK to DCLK tW Pulse Width 5.0 2.0 3.0 3.0 ns PCLK HIGH or LOW tW Pulse Width 5.0 2.0 3.0 3.0 ns DCLK HIGH or LOW Symbol Parameter Typ Units Conditions CIN Input Capacitance 4.5 pF VCC = OPEN CPD Power Dissipation Capacitance 20 pF VCC = 5.0V |
类似零件编号 - 74ACT818SPC |
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类似说明 - 74ACT818SPC |
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