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54AC273D Datasheet(PDF) 4 Page - National Semiconductor (TI) |
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54AC273D Datasheet(HTML) 4 Page - National Semiconductor (TI) |
4 / 8 page DC Characteristics for ’AC Family Devices (Continued) 54AC 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 2: All outputs loaded; thresholds on input associated with output under test. Note 3: Maximum test duration 2.0 ms, one output loaded at a time. Note 4: IIN and ICC @ 3.0V are guaranteed to be less than or equal to the respective limit @ 5.5V VCC. ICC for 54AC @ 25˚C is identical to 74AC @ 25˚C. AC Electrical Characteristics 54AC V CC T A = −55˚C Fig. Symbol Parameter (V) to +125˚C Units No. (Note 5) C L = 50 pF Min Max f max Maximum Clock 3.3 75 MHz Frequency 5.0 90 t PLH Propagation Delay 3.3 1.0 15.0 ns Clock to Output 5.0 1.0 11.0 t PHL Propagation Delay 3.3 1.0 16.0 ns Clock to Output 5.0 1.0 11.5 t PHL Propagation Delay 3.3 1.0 16.0 ns MR to Output 5.0 1.0 11.5 Note 5: Voltage Range 3.3 is 3.3V ±0.3V. Voltage Range 5.0 is 5.0V ±0.5V AC Operating Requirements 54AC V CC T A = −55˚C Fig. Symbol Parameter (V) to +125˚C Units No. (Note 6) C L = 50 pF Guaranteed Minimum t s Setup Time, HIGH or LOW 3.3 8.0 ns Data to CP 5.0 5.0 t h Hold Time, HIGH or LOW 3.3 0 ns Data to CP 5.0 1.0 t w Clock Pulse Width 3.3 6.5 ns HIGH or LOW 5.0 5.0 t w MR Pulse Width 3.3 10.0 ns HIGH or LOW 5.0 6.5 t rec Recovery Time 3.3 6.0 ns MR to CP 5.0 4.0 Note 6: Voltage Range 3.3 is 3.3V ±0.3V. Voltage Range 5.0 is 5.0V ±0.5V PrintDate=1998/07/27 PrintTime=08:02:06 44014 ds100288 Rev. No. 1 cmserv Proof 4 www.national.com 4 |
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