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54AC245L Datasheet(PDF) 5 Page - National Semiconductor (TI) |
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54AC245L Datasheet(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 OZT Maximum I/O V I (OE) = VIL,VIH Leakage Current 5.5 ±5.0 µA V I = VCC, GND V O = VCC, GND Note 5: All outputs loaded; thresholds on input associated with output under test. Note 6: Maximum test duration 2.0 ms, one output loaded at a time. Note 7: ICC for 54ACT @ 25˚C is identical to 74ACT @ 25˚C. AC Electrical Characteristics 54AC V CC T A = −55˚C Fig. Symbol Parameter (V) to +125˚C Units No. (Note 8) C L = 50 pF Min Max t PLH Propagation Delay 3.3 1.0 11.5 ns A n to Bn or Bn to An 5.0 1.0 8.5 t PHL Propagation Delay 3.3 1.0 10.0 ns A n to Bn or Bn to An 5.0 1.0 7.5 t PZH Output Enable Time 3.3 1.0 13.5 ns 5.0 1.0 10.0 t PZL Output Enable Time 3.3 1.0 14.5 ns 5.0 1.0 10.5 t PHZ Output Disable Time 3.3 1.0 13.5 ns 5.0 1.0 10.5 t PLZ Output Disable Time 3.3 1.0 14.0 ns 5.0 1.0 10.5 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 9.0 ns A n to Bn or Bn to An t PHL Propagation Delay 5.0 1.0 10.0 ns A n to Bn or Bn to An t PZH Output Enable Time 5.0 1.0 12.0 ns t PZL Output Enable Time 5.0 1.0 13.0 ns t PHZ Output Disable Time 5.0 1.0 12.0 ns t PLZ Output Disable Time 5.0 1.0 12.0 ns Note 9: Voltage Range 5.0 is 5.0V ±0.5V www.national.com 5 |
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