Octal Addressable Latches

These 8-bit addressable Latches are designed for general purpose storage applications in digital systems. Specific uses include working Registers serial-holding Registers and active-high decoders or demultiplexers. They are multifunctional devices capable of storing single-line data in eight addressable Latches and being a 1-of-8 decoder or demultiplexer with active-high outputs.
Four distinct modes of operation are selectable by controlling the clear (CLR) and enable (G) inputs as enumerated in the function table. In the addressable-latch mode, data at the data-in terminal is written into the addressed latch. The addressed latch will follow the data input with all unaddressed Latches remaining in their previous states. In the memory mode, all Latches remain in their previous states and are unaffected by the data or address inputs. To eliminate the possibility of entering erroneous data in the Latches enable G should be held high (inactive) while the address lines are changing. In the 1-of-8 decoding or demultiplexing mode, the addressed output will follow the level of the D input with all other outputs low. In the clear mode, all outputs are low and unaffected by the address and data inputs.
The SN54259 and SN54LS259B are characterized for operation over the full military temperature range of -55C to 125C. The SN74259 and SN74LS259B are characterized for operation from 0C to 70C.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
SN74LS259BN3 Texas Instruments Octal addressable latches 16-PDIP 0 to 70
SN74LS259BD Texas Instruments Octal addressable latches 16-SOIC 0 to 70
SN74LS259BNSRE4 Texas Instruments LS SERIES, LOW LEVEL TRIGGERED D LATCH, TRUE OUTPUT, PDSO16, SOP-16
SN74LS259BDE4 Texas Instruments LS SERIES, LOW LEVEL TRIGGERED D LATCH, TRUE OUTPUT, PDSO16, SO-16
SN74LS259BNSRG4 Texas Instruments LS SERIES, LOW LEVEL TRIGGERED D LATCH, TRUE OUTPUT, PDSO16, SOP-16
SN74LS259BDRG4 Texas Instruments LS SERIES, LOW LEVEL TRIGGERED D LATCH, TRUE OUTPUT, PDSO16, SO-16
SN74LS259BN Texas Instruments Octal addressable latches 16-PDIP 0 to 70
SN74LS259BNSR Texas Instruments LS SERIES, LOW LEVEL TRIGGERED D LATCH, TRUE OUTPUT, PDSO16, SOP-16
SN74LS259BNE4 Texas Instruments Octal addressable latches 16-PDIP 0 to 70
SN74LS259BDG4 Texas Instruments Octal addressable latches 16-SOIC 0 to 70
SN74LS259B 's PackagesSN74LS259B 's pdf datasheet
SN74LS259BD SOIC
SN74LS259BDE4 SOIC
SN74LS259BDG4 SOIC
SN74LS259BDR SOIC
SN74LS259BDRE4 SOIC
SN74LS259BDRG4 SOIC
SN74LS259BN PDIP
SN74LS259BN3 PDIP
SN74LS259BNE4 PDIP
SN74LS259BNSR SO
SN74LS259BNSRE4 SO
SN74LS259BNSRG4 SO




SN74LS259B Pinout, Pinouts
SN74LS259B pinout,Pin out
This is one package pinout of SN74LS259B,If you need more pinouts please download SN74LS259B's pdf datasheet.

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SN74LS259B Application Notes SN74LS259B RoHS SN74LS259B Circuits SN74LS259B footprint
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