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IDT3390QG Datasheet(PDF) 4 Page - Integrated Device Technology |
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IDT3390QG Datasheet(HTML) 4 Page - Integrated Device Technology |
4 / 5 page 4 INDUSTRIALTEMPERATURERANGE IDTQS3390 HIGH-SPEED CMOS QUICKSWITCH 16:8 MULTIPLEXER NOTES: 1. For conditions shown as Min. or Max., use the appropriate values specified under DC Electrical Characteristics. 2. Per TTL-driven input (VIN = 3.4V, control inputs only). A, B, and AB pins do not contribute to ∆Icc. 3. This current applies to the control inputs only and represents the current required to switch internal capacitance at the specified frequency. The A, B, and AB inputs generate no significant AC or DC currents as they transition. This parameter is guaranteed but not production tested. POWER SUPPLY CHARACTERISTICS Symbol Parameter TestConditions(1) Max. Unit ICCQ Quiescent Power Supply Current VCC = Max., VIN = GND or VCC, f = 0 3 µA ∆ICC Power Supply Current per Input HIGH(2) VCC = Max., VIN = 3.4V, f = 0 1.5 mA ICCD Dynamic Power Supply Current per MHz(3) VCC = Max., A, B, and AB Pins Open, Control Inputs Toggling 0.25 mA/MHz @ 50% Duty Cycle SWITCHING CHARACTERISTICS OVER OPERATING RANGE TA = -40°C to +85°C, VCC = 5V ± 5% CLOAD = 50pF, RLOAD = 500 Ω unless otherwise noted. Symbol Parameter Min.(1) Typ. Max. Unit tPLH DataPropagationDelay(2) 0.25(3) ns tPHL A, B, to/from AB tPZL Switch Turn-On Delay 1.5 6.5 ns tPZH AEN, BEN to A, B, AB tPLZ SwitchTurn-OffDelay(2) 1.5 5.5 ns tPHZ AEN, BEN to A, B, AB NOTES: 1. Minimums are guaranteed but not production tested. 2. This parameter is guaranteed but not production tested. 3. The bus switch contributes no propagation 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 at CL = 50pF. Since this time constant is much smaller than the rise and fall times of typical driving signals, it adds very little propagation delay to the system. Propagation 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. |
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