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PI3C3125 Datasheet(PDF) 4 Page - Pericom Semiconductor Corporation |
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PI3C3125 Datasheet(HTML) 4 Page - Pericom Semiconductor Corporation |
4 / 5 page 4 PS8153B 12/10/99 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 PI3C3125/PI3C3126 2.5V/3.3V,HighBandwidth, Hot Insertion, 4-Bit, 2-Port Bus Switch 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. PI3C3125/PI3C3126 Com. Parameters Description Conditions(1) Min. Max. Units tPLH Propagation Delay(2,3) CL = 50 pF, 0.25 tPHL A to B, B to A RL = 500Ω tPZH Bus Enable Time 1.5 9.8 ns tPZL CL = 50 pF, tPHZ Bus Disable Time RL = 500Ω, 1.5 8.3 tPLZ R = 500 Ω PI3C3125/PI3C3126 Com. Parameters Description Conditions (1) Min. Max. Units tPLH Propagation Delay (2,3) CL = 50 pF, 0.25 tPHL A to B, B to A RL = 500Ω tPZH Bus Enable Time 1.5 6.5 ns tPZL CL = 50 pF, tPHZ Bus Disable Time RL = 500Ω, 1.5 5.5 tPLZ R = 500 Ω PI3C3125/PI3C3126 Switching Characteristics over 2.5V Operating Range PI3C3125/PI3C3126 Switching Characteristics over 3.3V Operating Range |
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