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PI3L720ZHE Datasheet(PDF) 7 Page - Pericom Semiconductor Corporation |
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PI3L720ZHE Datasheet(HTML) 7 Page - Pericom Semiconductor Corporation |
7 / 10 page 7 PS8961D 12/10/12 PI3L720 2:1 Mux/DeMux Gigabit Ethenet LAN Switch with Power-down Mode Voltage Waveforms Propagation Delay Times Switching Waveforms Output Skew - tSK(o) Pulse Skew - tSK(p) Voltage Waveforms Enable and Disable Times Data In Data Out at Channel X Data Out at Channel Y tPLHX tPHLX 3.5V 2.5V 2.5V 2.5V I tSK(o) = I tPLHy – tPLHx I or I tPHLy – tPHLx I tSK(o) tPLHy tPHLy VOH VOL VOL VOH 1.5V Input Output tPLH tSK(p) = I tPHL – tPLH I tPHL 3.5V 2.5V 2.5V VOL VOH 1.5V tPLZ 1.25V 1.25V 2.5V VOH 0V VOL VDD/2 VDD/2 tPHZ tPZL tPZH Output Output VOL +0.3V VOH –0.3V VOL VOH SEL 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, the output enables or select pins may be driven low to 0V and high to 3.6V. Driving IN Rail-to-Rail® minimizes power consumption. Power-Supply Sequencing Proper power-supply sequencing is advised for all CMOS devices. It is recommended to always apply VDD before applying signals to the input/output or control pins. Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd Input tPLH 2.5V 2.5V 2.5V 2.5V tPHL 3.5V 1.5V Output VOH VOL Notes: Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control. All input impulses are supplied by generators having the following characteristics: PRR ≤ MHz, ZO = 50-Ohm, tR ≤ 2.5ns, tF ≤ 2.5ns. |
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