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PI3B3245 Datasheet(PDF) 3 Page - Pericom Semiconductor Corporation |
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PI3B3245 Datasheet(HTML) 3 Page - Pericom Semiconductor Corporation |
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3 / 5 page  PI3B3245 3.3V, Hot Insertion 8-Bit, 2-Port, NanoSwitch™ 3 PS8162F 09/23/04 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 PI3B3245 Com. Parameters Description Conditions(1) Min. Max. Units tPLH Propagation Delay(2,3) CL = 50pF tPHL Ax to Bx, Bx to Ax RL = 500 Ω 0.25 ns tPZH Bus Enable Time CL = 50pF, tPZL BE to Ax or Bx RL = 500 Ω, 1.0 4.0 ns tPHZ Bus Disable Time RL = 500 Ω tPLZ BE to Ax or Bx 1.0 4.5 ns Power Supply Characteristics Parameters Description Test Conditions(1) Min. Typ(2) Max. Units ICC Quiescent Power VCC = Max. VIN = GND or VCC 0.1 3.0 µA Supply Current ∆ICC Supply Current per VCC = Max. VIN = 3.0V(3) 750 µA Input HIGH Notes: 1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device. 2. Typical values are at VCC = 3.3V, +25°C ambient. 3. Per TTL driven input (control input only); A and B pins do not contribute to ICC. Switching Characteristics over Operating Range 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. ApplicationsInformation LogicInputs The logic control inputs can be driven up to +3.6 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-SupplySequencingandHot-PlugInformation 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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