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54AC257L 数据表(PDF) 5 Page - National Semiconductor (TI) |
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54AC257L 数据表(HTML) 5 Page - National Semiconductor (TI) |
5 / 8 page DC Characteristics for ’ACT Family Devices (Continued) 54ACT Symbol Parameter V CC T A = Units Conditions (V) −55˚C to +125˚C Guaranteed Limits I CC Maximum Quiescent 5.5 80.0 µA V IN = VCC Supply Current or GND Note 6: All outputs loaded; thresholds on input associated with output under test. Note 7: Maximum test duration 2.0 ms, one output loaded at a time. Note 8: ICC for 54ACT @ 25˚C is identical to 74ACT @ 25˚C. AC Electrical Characteristics 54AC Symbol Parameter V CC T A = −55˚C Units (V) to +125˚C (Note 9) C L = 50 pF t PLH Propagation Delay 3.3 1.0 11.0 ns I n to Zn 5.0 1.0 8.0 t PHL Propagation Delay 3.3 1.0 11.0 ns I n to Zn 5.0 1.0 8.5 t PLH Propagation Delay 3.3 1.0 14.5 ns StoZ n 5.0 1.0 11.0 t PHL Propagation Delay 3.3 1.0 14.5 ns StoZ n 5.0 1.0 11.0 t PZH Output Enable Time 3.3 1.0 13.0 ns 5.0 1.0 10.0 t PZL Output Enable Time 3.3 1.0 11.0 ns 5.0 1.0 9.5 t PHZ Output Disable Time 3.3 1.0 13.0 ns 5.0 1.0 11.0 t PLZ Output Disable Time 3.3 1.0 10.5 ns 5.0 1.0 9.5 Note 9: Voltage Range 3.3 is 3.0V ±0.3V Voltage Range 5.0 is 5.0V ±0.5V AC Electrical Characteristics 54ACT Symbol Parameter V CC T A = −55˚C Units (V) to +125˚C (Note 10) C L = 50 pF t PLH Propagation Delay 5.0 1.0 8.0 ns I n to Zn t PHL Propagation Delay 5.0 1.0 9.5 ns I n to Zn t PLH Propagation Delay 5.0 1.0 11.0 ns StoZ n t PHL Propagation Delay 5.0 1.0 11.5 ns StoZ n t PZH Output Enable Time 5.0 1.0 9.5 ns 5 www.national.com |
类似零件编号 - 54AC257L |
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类似说明 - 54AC257L |
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