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SN74CBT3253CPWR Fiches technique(PDF) 2 Page - Texas Instruments |
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SN74CBT3253CPWR Fiches technique(HTML) 2 Page - Texas Instruments |
2 / 22 page www.ti.com DESCRIPTION/ORDERING INFORMATION (CONTINUED) SN74CBT3253C DUAL 1-OF-4 FET MULTIPLEXER/DEMULTIPLEXER 5-V BUS SWITCH WITH –2-V UNDERSHOOT PROTECTION SCDS123B – JULY 2003 – REVISED JANUARY 2007 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(1) ORDERABLE PART NUMBER TOP-SIDE MARKING QFN – RGY Reel of 1000 SN74CBT3253CRGYR CU253C Tube of 40 SN74CBT3253CD SOIC – D CBT3253C Reel of 2500 SN74CBT3253CDR Tube of 80 SN74CBT3253CDB –40 °C to 85°C SSOP – DB CU253C Reel of 2000 SN74CBT3253CDBR SSOP (QSOP) – DBQ Reel of 2500 SN74CBT3253CDBQR CU253C Tube of 90 SN74CBT3253CPW TSSOP – PW CU253C Reel of 2000 SN74CBT3253CPWR (1) 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 A OE S1 S0 L L L B1 A port = B1 port L L H B2 A port = B2 port L H L B3 A port = B3 port L H H B4 A port = B4 port H X X X Disconnect 2 Submit Documentation Feedback |
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