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PI5C3126C 数据表(PDF) 4 Page - Pericom Semiconductor Corporation |
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PI5C3126C 数据表(HTML) 4 Page - Pericom Semiconductor Corporation |
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4 / 6 page ![]() 4 PS8512 03/14/01 PI5C3125C/3126C 4-BitBusSwitchwith 2VUndershootProtection 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 PI5C3125CSwitchingCharacteristicsoverOperatingRange Notes: 1. See test circuit and wave forms. 2. This parameter is guaranteed but not tested on Propagation Delays. 3. The bus switch contributes no propagational delay other than the RC delay of the ON resistance of the switch and the load capacitance. The time constant for the switch alone is of the order of 0.25ns for 50pF load. Since this time constant is much smaller than the rise/fall times of typical driving signals, it adds very little propagational delay to the system. Propagational delay of the bus switch when used in a system is determined by the driving circuit on the driving side of the switch and its interaction with the load on the driven side. s r e t e m a r a Pn o it p i r c s e Ds n o it i d n o C C 5 2 1 3 C 5 I P s ti n U m o C . n i M. x a M t H L P t L H P y al e D n o it a g a p o r P ) 3 , 2 ( A o t B , B o t A CL F p 0 5 = RL m h o 0 0 5 = 5 2 . 0 s n t H Z P t L Z P e m i T el b a n E s u B5 . 06 . 6 t Z H P t Z L P e m i T el b a si D s u B5 . 00 . 6 PI5C3126CSwitchingCharacteristicsoverOperatingRange s r e t e m a r a Pn o it p i r c s e Ds n o it i d n o C C 6 2 1 3 C 5 I P s ti n U m o C . n i M. x a M t H L P t L H P y al e D n o it a g a p o r P ) 3 , 2 ( A o t B , B o t A CL F p 0 5 = RL m h o 0 0 5 = 5 2 . 0 s n t H Z P t L Z P e m i T el b a n E s u B5 . 06 . 6 t Z H P t Z L P e m i T el b a si D s u B5 . 00 . 6 ApplicationsInformation LogicInputs The logic control inputs can be driven up to +5.5V regardless of the supplyvoltage.Forexample,givena+5.0Vsupply,BE,maybedriven LOWto0VandHIGHto5.5V.DrivingBERail-to-Rail®minimizes power consumption. Power-SupplySequencing Proper power-supply sequencing is recommended for all CMOS devices. Always apply Vcc before applying signals to the input/ output or control pins. ®Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd. |
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