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SN74ACT245TIN/a25avaiOctal Bus Transceivers With 3-State Outputs
SN74ACT245DBLEN/a799avaiOctal Bus Transceivers With 3-State Outputs
SN74ACT245DBRTIN/a10avaiOctal Bus Transceivers With 3-State Outputs
SN74ACT245DWTIN/a397avaiOctal Bus Transceivers With 3-State Outputs
SN74ACT245DWRTIN/a2000avaiOctal Bus Transceivers With 3-State Outputs
SN74ACT245DWRG4TI/BBN/a11avaiOctal Bus Transceivers With 3-State Outputs 20-SOIC -40 to 85
SN74ACT245NTIN/a490avaiOctal Bus Transceivers With 3-State Outputs
SN74ACT245NSRTEXASN/a15avaiOctal Bus Transceivers With 3-State Outputs
SN74ACT245NSRTIN/a1074avaiOctal Bus Transceivers With 3-State Outputs
SN74ACT245PWTIN/a1680avaiOctal Bus Transceivers With 3-State Outputs
SN74ACT245PWLETIN/a8210avaiOctal Bus Transceivers With 3-State Outputs
SN74ACT245PWRTIN/a1269avaiOctal Bus Transceivers With 3-State Outputs


SN74ACT245PWLE ,Octal Bus Transceivers With 3-State Outputslogic diagram (positive logic)1DIR19OE2A118B1To Seven Other Channels†absolute
SN74ACT245PWR ,Octal Bus Transceivers With 3-State Outputs SN54ACT245, SN74ACT245 OCTAL BUS TRANSCEIVERSWITH 3-STATE OUTPUTSSCAS452E – SEPTEMBER 1994 – REVIS ..
SN74ACT32 ,Quadruple 2-Input Positive-OR Gatesmaximum ratings” may cause permanent damage to the device. These are stress ratings only, andfuncti ..
SN74ACT32D ,Quadruple 2-Input Positive-OR Gatesmaximum ratings” may cause permanent damage to the device. These are stress ratings only, andfuncti ..
SN74ACT32DR ,Quadruple 2-Input Positive-OR Gatesmaximum ratings over operating free-air temperature range (unless otherwise noted)Supply voltage ra ..
SN74ACT32N ,Quadruple 2-Input Positive-OR Gates/sc/package.FUNCTION TABLE (each gate)INPUTSOUTPUT OUTPUTYA BH X HX HHL L LPlease be aware tha ..
SN74LS257B ,LOW POWER SCHOTTKYFUNCTIONAL DESCRIPTIONThe LS257B and LS258B are Quad 2-Input Multiplexers When the Output Enable In ..
SN74LS257BDR ,Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs
SN74LS257BDR2 ,Quad 2-Input Multiplexer with 3-State Outputsmaximum ratings. Designers should ensure that Output1the selected inputs appears at the outputs in ..
SN74LS257BDR2 ,Quad 2-Input Multiplexer with 3-State OutputsLOGIC DIAGRAMSSN74LS257BE I I I I I I I I S0 0a 1a 0b 1b 0c 1c 0d 1d15 2 3 5 6 14 13 11 10 14 7 12 ..
SN74LS257BM ,Quad 2-Input Multiplexer with 3-State Outputs2SN74LS257B SN74LS258B
SN74LS257BMEL ,Quad 2-Input Multiplexer with 3-State Outputs3SN74LS257B SN74LS258B


SN74ACT245-SN74ACT245DBLE-SN74ACT245DBR-SN74ACT245DW-SN74ACT245DWR-SN74ACT245DWRG4-SN74ACT245N-SN74ACT245NSR-SN74ACT245PW-SN74ACT245PWLE-SN74ACT245PWR
Octal Bus Transceivers With 3-State Outputs
description/ordering information
These octal bus transceivers are designed for asynchronous two-way communication between data buses. The
control-function implementation minimizes external timing requirements.
When the output-enable (OE) is low, the device passes noninverted data from the A bus to the B bus or from
the B bus to the A bus, depending upon the logic level at the direction-control (DIR) input. A high on OE disables
the device so that the buses are effectively isolated.
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

†Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
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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