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PI3B3125QE Datasheet(PDF) 4 Page - Pericom Semiconductor Corporation |
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PI3B3125QE Datasheet(HTML) 4 Page - Pericom Semiconductor Corporation |
4 / 6 page PI3B3125/PI3B3126 3.3V, 4-Bit, 2-Port NanoSwitch™ w/Individual Enables 4 PS8153F 09/09/04 PI3B3125 Switching Characteristics over Operating Range Parameters Description Conditions(1) PI3B3125 Units Com. Min. Max. tPLH tPHL Propagation Delay(2,3) Ax to Bx, Bx to Ax CL = 50pF RL = 500Ω 0.25 ns tPZH tPZL Bus Enable Time CL = 50pF, RL = 500Ω, 1.0 3.0 tPHZ tPLZ Bus Disable Time RL = 500Ω 1.0 4.0 PI3B3126 Switching Characteristics over Operating Range Parameters Description Conditions(1) PI3B3126 Units Com. Min. Max. tPLH tPHL Propagation Delay(2,3) Ax to Bx, Bx to Ax CL= 50pF RL = 500Ω 0.25 ns tPZH tPZL Bus Enable Time CL= 50pF, RL = 500Ω, 1.0 2.5 tPHZ tPLZ Bus Disable Time RL = 500Ω 1.0 4.0 Notes: 1. See test circuit and waveforms. 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. Applications Information Logic Inputs The logic control inputs can be driven up to +3.6V regardless of the supply voltage. For example, given a + 3.3V supply, IN may be driven low to 0V and high to 3.6V. Driving IN Rail-to-Rail® minimizes power consumption. Power-Supply Sequencing and Hot-Plug Information Proper power-supply sequencing is recommended for all CMOS devices. Always apply VCC and GND before applying signals to input/output or control pins. Rail-to-Rail is a registeredtrademark of Nippon Motorola, Ltd. |
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