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SN74AC245DBRTIN/a6000avaiOctal Bus Transceivers With 3-State Outputs
SN74AC245DWTIN/a1500avaiOctal Bus Transceivers With 3-State Outputs
SN74AC245DWG4TIN/a8avaiOctal Bus Transceivers With 3-State Outputs 20-SOIC -40 to 85
SN74AC245DWRTIN/a5500avaiOctal Bus Transceivers With 3-State Outputs
SN74AC245DWRG4TIN/a88avaiOctal Bus Transceivers With 3-State Outputs 20-SOIC -40 to 85
SN74AC245NTIN/a9avaiOctal Bus Transceivers With 3-State Outputs
SN74AC245NSRTEXASN/a22avaiOctal Bus Transceivers With 3-State Outputs
SN74AC245PWN/a70avaiOctal Bus Transceivers With 3-State Outputs
SN74AC245PWG4TI/BBN/a3avaiOctal Bus Transceivers With 3-State Outputs 20-TSSOP -40 to 85
SN74AC245PWRTEXASN/a20avaiOctal Bus Transceivers With 3-State Outputs


SN74AC245DBR ,Octal Bus Transceivers With 3-State Outputslogic diagram (positive logic)1DIR19OE2A118B1To Seven Other Channels†absolute
SN74AC245DW ,Octal Bus Transceivers With 3-State Outputsmaximum ratings” may cause permanent damage to the device. These are stress ratings only, andfuncti ..
SN74AC245DWG4 ,Octal Bus Transceivers With 3-State Outputs 20-SOIC -40 to 85maximum ratings” may cause permanent damage to the device. These are stress ratings only, andfuncti ..
SN74AC245DWR ,Octal Bus Transceivers With 3-State OutputsSN54AC245, SN74AC245OCTAL BUS TRANSCEIVERSWITH 3-STATE OUTPUTSSCAS461F − FEBRUARY 1995 − REVISED OC ..
SN74AC245DWRG4 ,Octal Bus Transceivers With 3-State Outputs 20-SOIC -40 to 85maximum ratings over operating free-air temperature range (unless otherwise noted)Supply voltage ra ..
SN74AC245N ,Octal Bus Transceivers With 3-State Outputsmaximum ratings over operating free-air temperature range (unless otherwise noted)Supply voltage ra ..
SN74LS19 , 4-BIT PARALLEL-ACCESS SHIFT REGISTERS
SN74LS190N ,PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERSSN54/74LS190SN54/74LS191PRESETTABLE BCD/DECADEUP/DOWN COUNTERSPRESETTABLE 4-BIT BINARYPRESETTABLE B ..
SN74LS191 ,Synchronous 4-Bit Up/Down Counters With Up/Down Mode Control
SN74LS191DR ,Synchronous 4-Bit Up/Down Counters With Up/Down Mode Control
SN74LS191DR ,Synchronous 4-Bit Up/Down Counters With Up/Down Mode Control
SN74LS191N ,PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERSSN54/74LS190SN54/74LS191PRESETTABLE BCD/DECADEUP/DOWN COUNTERSPRESETTABLE 4-BIT BINARYPRESETTABLE B ..


SN74AC245DBR-SN74AC245DW-SN74AC245DWG4-SN74AC245DWR-SN74AC245DWRG4-SN74AC245N-SN74AC245NSR-SN74AC245PW-SN74AC245PWG4-SN74AC245PWR
Octal Bus Transceivers With 3-State Outputs
SN54AC245, SN74AC245
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCAS461F − FEBRUARY 1995 − REVISED OCTOBER 2003 2-V to 6-V VCC Operation Inputs Accept Voltages to 6 V Max tpd of 7 ns at 5 V

description/ordering information

The ’AC245 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 on
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.
SN54AC245... J OR W PACKAGE
SN74AC245... DB, DW, N, NS, OR PW PACKAGE
(TOP VIEW)
21 201910111213
SN54AC245...FK PACKAGE
(TOP VIEW)
A1DIRB6
GND
DIR
GND
VCC
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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