SN74LS259BD OBSOLETE

Octal addressable latches

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Pricing

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Additional package qty | Carrier options These products are exactly the same but come in a different carrier type

SN74LS259BDR ACTIVE custom-reels CUSTOM Custom reel may be available
Package qty | Carrier 2,500 | LARGE T&R
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Export classification

*For reference only

  • US ECCN: EAR99

Packaging information

Package | Pins SOIC (D) | 16
Operating temperature range (°C) 0 to 70
Package qty | Carrier 40 | TUBE

Features for the SN74LS259B

  • 8-Bit Parallel-Out Storage Register Performs Serial-to-Parallel Conversion with Storage
  • Asynchronous Parallel Clear
  • Active High Decoder
  • Enable/Disable Input Simplified Expansion
  • Expandable for N-Bit Applications
  • Four District Functional Modes
  • Package Options Include Ceramic Chip Carriers and Flat Packages in Addition to Plastic and Ceramic DIPs
  • Dependable Texas Instruments Quality and Reliability

 

Description for the SN74LS259B

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 -55°C to 125°C. The SN74259 and SN74LS259B are characterized for operation from 0°C to 70°C.

 

Pricing

Qty Price
+

Additional package qty | Carrier options These products are exactly the same but come in a different carrier type

SN74LS259BDR ACTIVE custom-reels CUSTOM Custom reel may be available
Package qty | Carrier 2,500 | LARGE T&R
Inventory
Qty | Price 1ku | +

Carrier options

You can choose different carrier options based on the quantity of parts, including full reel, custom reel, cut tape, tube or tray.

A custom reel is a continuous length of cut tape from one reel to maintain lot- and date-code traceability, built to the exact quantity requested. Following industry standards, a brass shim connects an 18-inch leader and trailer on both sides of the cut tape for direct feeding into automated assembly machines. TI includes a reeling fee for custom reel orders.

Cut tape is a length of tape cut from a reel. TI may fulfill orders using multiple strips of cut tapes or boxes to satisfy the quantity requested.

TI often ships tube or tray devices inside a box or in the tube or tray, depending on inventory availability. We pack all tapes, tubes or sample boxes according to internal electrostatic discharge and moisture-sensitivity-level protection requirements.

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Lot and date code selection may be available

Add a quantity to your cart and begin the checkout process to view the options available to select lot or date codes from existing inventory.

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