Octal Bus Transceivers

These octal Bus Transceivers are designed for asynchronous two-way Communication between data buses. The control function implementation allows for maximum flexibility in Timing
These devices allow data transmission from the A bus to the B bus or from the B bus to the A bus depending upon the Logic levels at the enable inputs (GBA and GAB).
The enable inputs CAN be used to disable the device so that the buses are effectively isolated.
The dual-enable configuration gives the 'LS620, 'LS621, and 'LS623 the capability to store data by simultaneous enabling of GBA and GAB. Each output reinforces its input in this transceiver configuration. Thus, when both control inputs are enabled and all other data sources to the two sets of bus lines are at high impedance, both sets of bus lines (16 in all) will remain at their last states. The 8-bit codes appearing on the two sets of buses will be identical for the 'LS621 and 'LS623 devices or complementary for the 'LS620.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
SN74LS623DW Texas Instruments LS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20, SO-20
SN74LS623NSRE4 Texas Instruments LS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20, SOP-20
SN74LS623DWE4 Texas Instruments LS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20, SO-20
SN74LS623NSRG4 Texas Instruments LS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20, SOP-20
SN74LS623NSR Texas Instruments LS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20, SOP-20
SN74LS623DWG4 Texas Instruments LS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20, SO-20
SN74LS623J Texas Instruments LS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CDIP20
SN74LS623FN Texas Instruments LS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PQCC20
SN74LS623DWR Texas Instruments LS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20, SO-20
SN74LS623DWRG4 Texas Instruments LS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20, SO-20
SN74LS623 's PackagesSN74LS623 's pdf datasheet
SN74LS623DW SOIC
SN74LS623DWE4 SOIC
SN74LS623DWG4 SOIC
SN74LS623DWR SOIC
SN74LS623DWRE4 SOIC
SN74LS623DWRG4 SOIC
SN74LS623N PDIP
SN74LS623N3 PDIP
SN74LS623NE4 PDIP
SN74LS623NSR SO
SN74LS623NSRE4 SO
SN74LS623NSRG4 SO




SN74LS623 Pinout, Pinouts
SN74LS623 pinout,Pin out
This is one package pinout of SN74LS623,If you need more pinouts please download SN74LS623's pdf datasheet.

SN74LS623 circuits will be updated soon..., now you can download the pdf datasheet to check the circuits!

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