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74F244 数据表(PDF) 4 Page - Fairchild Semiconductor |
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74F244 数据表(HTML) 4 Page - Fairchild Semiconductor |
4 / 8 page www.fairchildsemi.com 4 AC Electrical Characteristics 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 Typ Max Min Max Min Max tPLH Propagation Delay 3.0 5.1 7.0 3.0 9.0 3.0 8.0 ns tPHL Data to Output (74F240) 2.0 3.5 4.7 2.0 6.0 2.0 5.7 tPZH Output Enable Time (74F240) 2.0 3.5 4.7 2.0 6.5 2.0 5.7 ns tPZL 4.0 6.9 9.0 4.0 10.5 4.0 10.0 tPHZ Output Disable Time (74F240) 2.0 4.0 5.3 2.0 6.5 2.0 6.3 tPLZ 2.0 6.0 8.0 2.0 12.5 2.0 9.5 tPLH Propagation Delay 2.5 4.0 5.2 2.0 6.5 2.5 6.2 ns tPHL Data to Output (74F241, 74F244) 2.5 4.0 5.2 2.0 7.0 2.5 6.5 tPZH Output Enable Time 2.0 4.3 5.7 2.0 7.0 2.0 6.7 ns tPZL (74F241, 74F244) 2.0 5.4 7.0 2.0 8.5 2.0 8.0 tPHZ Output Disable Time 2.0 4.5 6.0 2.0 7.0 2.0 7.0 tPLZ (74F241, 74F244) 2.0 4.5 6.0 2.0 7.5 2.0 7.0 |
类似零件编号 - 74F244 |
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类似说明 - 74F244 |
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