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 () and enable (G) inputs as shown in the function table. In the addressable-latch mode, data at the data-in terminal is written into the addressed latch. The
addressed latch follows 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 G should be held high (inactive) while the address lines are changing. In the 1-of-8 decoding or demultiplexing mode, the addressed output follows 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 SN54ALS259 is characterized for operation over the full military temperature range of -55?C to 125?C. The SN74ALS259 is characterized for operation from 0?C to 70?C.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
SN74ALS259DRG4 Texas Instruments ALS SERIES, LOW LEVEL TRIGGERED D LATCH, TRUE OUTPUT, PDSO16, GREEN, PLASTIC, SO-16
SN74ALS259DR Texas Instruments Octal Addressable Latches 16-SOIC 0 to 70
SN74ALS259DRE4 Texas Instruments Octal Addressable Latches 16-SOIC 0 to 70
SN74ALS259NE4 Texas Instruments Octal Addressable Latches 16-PDIP 0 to 70
SN74ALS259N Texas Instruments Octal Addressable Latches 16-PDIP 0 to 70
SN74ALS259D Texas Instruments Octal Addressable Latches 16-SOIC 0 to 70
SN74ALS259DE4 Texas Instruments ALS SERIES, LOW LEVEL TRIGGERED D LATCH, TRUE OUTPUT, PDSO16, GREEN, PLASTIC, SO-16
SN74ALS259DG4 Texas Instruments Octal Addressable Latches 16-SOIC 0 to 70
SN74ALS259 's PackagesSN74ALS259 's pdf datasheet
SN74ALS259D SOIC
SN74ALS259DE4 SOIC
SN74ALS259DG4 SOIC
SN74ALS259DR SOIC
SN74ALS259DRE4 SOIC
SN74ALS259DRG4 SOIC
SN74ALS259N PDIP
SN74ALS259NE4 PDIP




SN74ALS259 Pinout, Pinouts
SN74ALS259 pinout,Pin out
This is one package pinout of SN74ALS259,If you need more pinouts please download SN74ALS259's pdf datasheet.

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