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SN74CB3Q3305 датащи(PDF) 2 Page - Texas Instruments |
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SN74CB3Q3305 датащи(HTML) 2 Page - Texas Instruments |
2 / 10 page www.ti.com DESCRIPTION/ORDERING INFORMATION (CONTINUED) 1A 1OE SW 1B 2A 2OE SW 2B 2 1 5 7 3 6 A EN(1) B (1) EN is the internal enable signal applied to the switch. Charge Pump VCC SN74CB3Q3305 DUAL FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE HIGH-BANDWIDTH BUS SWITCH SCDS141A – OCTOBER 2003 – REVISED APRIL 2005 This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry prevents damaging current backflow through the device when it is powered down. The device has isolation during power off. To ensure the high-impedance state during power up or power down, OE should be tied to GND through a pulldown resistor; the minimum value of the resistor is determined by the current-sourcing capability of the driver. FUNCTION TABLE (EACH BUS SWITCH) INPUT INPUT/OUTPUT FUNCTION OE A H B A port = B port L Z Disconnect LOGIC DIAGRAM (POSITIVE LOGIC) SIMPLIFIED SCHEMATIC, EACH FET SWITCH (SW) 2 |
Аналогичный номер детали - SN74CB3Q3305 |
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Аналогичное описание - SN74CB3Q3305 |
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