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SN74CBT3253CDB 데이터시트(PDF) 2 Page - Texas Instruments |
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SN74CBT3253CDB 데이터시트(HTML) 2 Page - Texas Instruments |
2 / 14 page SN74CBT3253C DUAL 1OF4 FET MULTIPLEXER/DEMULTIPLEXER 5V BUS SWITCH WITH 2V UNDERSHOOT PROTECTION SCDS123A − JULY 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 SN74CBT3253CRGYR CU253C SOIC − D Tube SN74CBT3253CD CBT3253C SOIC − D Tape and reel SN74CBT3253CDR CBT3253C −40 °C to 85°C SSOP − DB Tube SN74CBT3253CDB CU253C −40 °C to 85°C SSOP − DB Tape and reel SN74CBT3253CDBR CU253C SSOP (QSOP) − DBQ Tape and reel SN74CBT3253CDBQR CBT3253C TSSOP − PW Tube SN74CBT3253CPW CU253C TSSOP − PW Tape and reel SN74CBT3253CPWR CU253C † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. FUNCTION TABLE (each multiplexer/demultiplexer) INPUTS INPUT/OUTPUT FUNCTION OE S1 S0 INPUT/OUTPUT A FUNCTION L L L B1 A port = B1 port L LH B2 A port = B2 port L HL B3 A port = B3 port L HH B4 A port = B4 port H X X Z Disconnect |
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