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SN74CBT3245CDWE4 데이터시트(PDF) 2 Page - Texas Instruments |
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SN74CBT3245CDWE4 데이터시트(HTML) 2 Page - Texas Instruments |
2 / 15 page SN74CBT3245C 8BIT FET BUS SWITCH 5V BUS SWITCH WITH 2V UNDERSHOOT PROTECTION SCDS131A − SEPTEMBER 2003 − REVISED OCTOBER 2003 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 description/ordering information (continued) This device is fully specified for partial-power-down applications using Ioff. The Ioff feature ensures that damaging current will not 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 VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING QFN − RGY Tape and reel SN74CBT3245CRGYR CU245C SOIC − DW Tube SN74CBT3245CDW CBT3245C SOIC − DW Tape and reel SN74CBT3245CDWR CBT3245C SSOP − DB Tube SN74CBT3245CDB CU245C −40 °C to 85°C SSOP − DB Tape and reel SN74CBT3245CDBR CU245C −40 C to 85 C SSOP (QSOP) − DBQ Tape and reel SN74CBT3245CDBQR CBT3245C TSSOP − PW Tube SN74CBT3245CPW CU245C TSSOP − PW Tape and reel SN74CBT3245CPWR CU245C TVSOP − DGV Tape and reel SN74CBT3245CDGVR CU245C † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. FUNCTION TABLE INPUT INPUT/OUTPUT FUNCTION INPUT OE INPUT/OUTPUT A FUNCTION L B A port = B port H Z Disconnect logic diagram (positive logic) A1 SW B1 A8 OE SW B8 2 9 19 18 11 |
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