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SN74CB3T3125DGVR Datasheet(PDF) 2 Page - Texas Instruments |
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SN74CB3T3125DGVR Datasheet(HTML) 2 Page - Texas Instruments |
2 / 20 page SN74CB3T3125 SCDS120B – FEBRUARY 2003 – REVISED AUGUST 2012 www.ti.com DESCRIPTION/ORDERING INFORMATION (CONTINUED) Figure 1. Typical DC Voltage-Translation Characteristics The SN74CB3T3125 is organized as four 1-bit bus switches with separate output-enable (1OE, 2OE, 3OE, 4OE) inputs. It can be used as four 1-bit bus switches or as one 4-bit bus switch. When OE is low, the associated 1-bit bus switch is ON, and the A port is connected to the B port, allowing bidirectional data flow between ports. When OE is high, the associated 1-bit bus switch is OFF, and the high-impedance state exists between the A and B ports. 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) (2) ORDERABLE PART NUMBER TOP-SIDE MARKING QFN – RGY Tape and reel SN74CB3T3125RGYR KS125 Tube SN74CB3T3125PW –40°C to 85°C TSSOP – PW KS125 Tape and reel SN74CB3T3125PWR TVSOP – DGV Tape and reel SN74CB3T3125DGVR KS125 (1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. (2) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI website at www.ti.com. FUNCTION TABLE (EACH BUS SWITCH) INPUT INPUT/OUTPUT FUNCTION OE A L B A port = B port H Z Disconnect 2 Submit Documentation Feedback Copyright © 2003–2012, Texas Instruments Incorporated Product Folder Links: SN74CB3T3125 |
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