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54ACT251D 数据表(PDF) 6 Page - National Semiconductor (TI) |
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54ACT251D 数据表(HTML) 6 Page - National Semiconductor (TI) |
6 / 10 page AC Electrical Characteristics 54AC V CC T A = −55˚C Symbol Parameter (V) to +125˚C Units (Note 8) C L = 50 pF Min Max t PLH Propagation Delay 3.3 1.0 21.0 ns S n toZorZ 5.0 1.0 15.5 t PHL Propagation Delay 3.3 1.0 21.0 ns S n toZorZ 5.0 1.0 15.5 t PLH Propagation Delay 3.3 1.0 17.0 ns I n toZorZ 5.0 1.0 12.0 t PHL Propagation Delay 3.3 1.0 16.5 ns I n toZorZ 5.0 1.0 12.0 t PZH Output Enable Time 3.3 1.0 13.0 ns OE toZorZ 5.0 1.0 10.0 t PZL Output Enable Time 3.3 1.0 13.0 ns OE toZorZ 5.0 1.0 10.0 t PHZ Output Disable Time 3.3 3.5 14.0 ns OE toZorZ 5.0 2.5 11.0 t PLZ Output Disable Time 3.3 4.0 13.0 ns OE toZorZ 5.0 3.0 10.0 Note 8: Voltage Range 3.3 is 3.3V ±0.3V Voltage Range 5.0 is 5.0V ±0.5V AC Electrical Characteristics 54ACT V CC T A = −55˚C Symbol Parameter (V) to +125˚C Units (Note 9) C L = 50 pF Min Max t PLH Propagation Delay 5.0 1.0 18.0 ns S n toZorZ t PHL Propagation Delay 5.0 1.0 18.0 ns S n toZorZ t PLH Propagation Delay 5.0 1.0 13.5 ns I n toZorZ t PHL Propagation Delay 5.0 1.0 13.5 ns I n toZorZ t PZH Output Enable Time 5.0 1.0 10.0 ns OE toZorZ t PZL Output Enable Time 5.0 1.0 9.5 ns OE toZorZ t PHZ Output Disable Time 5.0 1.0 12.5 ns OE toZorZ t PLZ Output Disable Time 5.0 1.0 8.5 ns OE toZorZ Note 9: Voltage Range 5.0 is 5.0V ±0.5V www.national.com 6 |
类似零件编号 - 54ACT251D |
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类似说明 - 54ACT251D |
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