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74CBTLV3126DBQRE4 Datasheet(PDF) 1 Page - Texas Instruments |
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74CBTLV3126DBQRE4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 18 page SN74CBTLV3126 LOW VOLTAGE QUADRUPLE FET BUS SWITCH SCDS038I − DECEMBER 1997 − REVISED OCTOBER 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Standard ’126-Type Pinout D 5-Ω Switch Connection Between Two Ports D Rail-to-Rail Switching on Data I/O Ports D Ioff Supports Partial-Power-Down Mode Operation D Latch-up Performance Exceeds 100 mA per JESD 78, Class II 1 2 3 4 5 6 7 14 13 12 11 10 9 8 1OE 1A 1B 2OE 2A 2B GND VCC 4OE 4A 4B 3OE 3A 3B D, DGV, OR PW PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 NC 1OE 1A 1B 2OE 2A 2B GND VCC 4OE 4A 4B 3OE 3A 3B NC DBQ PACKAGE (TOP VIEW) NC − No internal connection RGY PACKAGE (TOP VIEW) 114 78 2 3 4 5 6 13 12 11 10 9 4OE 4A 4B 3OE 3A 1A 1B 2OE 2A 2B description/ordering information The SN74CBTLV3126 quadruple FET bus switch features independent line switches. Each switch is disabled when the associated output-enable (OE) input is low. 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 GND through a pulldown 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 SN74CBTLV3126RGYR CL126 SOIC − D Tube SN74CBTLV3126D CBTLV3126 −40 °C to 85°C SOIC − D Tape and reel SN74CBTLV3126DR CBTLV3126 −40 °C to 85°C SSOP (QSOP) − DBQ Tape and reel SN74CBTLV3126DBQR CL126 TSSOP − PW Tape and reel SN74CBTLV3126PWR CL126 TVSOP − DGV Tape and reel SN74CBTLV3126DGVR CL126 † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. FUNCTION TABLE (each bus switch) INPUT OE FUNCTION L Disconnect H A port = B port Copyright 2003, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. |
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