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SN74CBT3125DBR Fiches technique(PDF) 1 Page - Texas Instruments |
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SN74CBT3125DBR Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 20 page SN74CBT3125 QUADRUPLE FET BUS SWITCH SCDS021I − MAY 1995 − REVISED SEPTEMBER 2002 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Standard ’125-Type Pinout (D, DB, DGV, and PW Packages) D 5-Ω Switch Connection Between Two Ports D TTL-Compatible Input Levels D, DB, DGV, OR PW PACKAGE (TOP VIEW) NC − No internal connection DBQ 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 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 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 SN74CBT3125 quadruple FET bus switch features independent line switches. Each switch is disabled when the associated output-enable (OE) input is high. 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 SN74CBT3125RGYR CU125 SOIC D Tube SN74CBT3125D CBT3125 SOIC − D Tape and reel SN74CBT3125DR CBT3125 −40 °C to 85°C SSOP − DB Tape and reel SN74CBT3125DBR CU125 40 C to 85 C SSOP (QSOP) − DBQ Tape and reel SN74CBT3125DBQR CU125 TSSOP − PW Tape and reel SN74CBT3125PWR CU125 TVSOP − DGV Tape and reel SN74CBT3125DGVR CU125 † 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 A port = B port H Disconnect Copyright © 2002, 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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