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54ACT299 数据表(PDF) 7 Page - National Semiconductor (TI) |
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54ACT299 数据表(HTML) 7 Page - National Semiconductor (TI) |
7 / 10 page AC Operating Requirements 54AC V CC T A = −55˚C Fig. Symbol Parameter (V) to +125˚C Units No. (Note 10) C L = 50 pF Guaranteed Minimum t s Setup Time, HIGH or LOW 3.3 9.5 ns S 0 or S1 to CP 5.0 7.0 t h Hold Time, HIGH or LOW 3.3 2.0 ns S 0 or S1 to CP 5.0 2.5 t s Setup Time, HIGH or LOW 3.3 6.0 ns I/O n to CP 5.0 4.0 t h Hold Time, HIGH or LOW 3.3 1.5 ns I/O n to CP 5.0 2.0 t s Setup Time, HIGH or LOW 3.3 7.5 ns DS 0 or DS7 to CP 5.0 5.0 t h Hold Time, HIGH or LOW 3.3 1.5 ns DS 0 or DS7 to CP 5.0 1.5 t w CP Pulse Width, LOW 3.3 5.5 ns 5.0 5.0 t w MR Pulse Width, LOW 3.3 5.5 ns 5.0 5.0 t rec Recovery Time 3.3 2.5 ns MR to CP 5.0 2.5 Note 10: 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 Fig. Symbol Parameter (V) to +125˚C Units No. (Note 11) C L = 50 pF Min Max f max Maximum Input 5.0 70 MHz Frequency t PLH Propagation Delay CP to Q 0 or Q7 5.0 1.0 15.5 ns (Shift Left or Right) t PHL Propagation Delay CP to Q 0 or Q7 5.0 1.0 16.0 ns (Shift Left or Right) t PLH Propagation Delay 5.0 1.0 15.0 ns CP to I/O n t PHL Propagation Delay 5.0 1.0 18.0 ns CP to I/O n t PHL Propagation Delay 5.0 1.0 18.0 ns MR to Q 0 or Q7 t PHL Propagation Delay 5.0 1.0 17.5 ns MR to I/O n www.national.com 7 |
类似零件编号 - 54ACT299 |
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类似说明 - 54ACT299 |
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