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SN54ALS137

Features: • Combines Decoder and 3-Bit Address Latch• Incorporates Two Output Enables to Simplify Cascading• Package Options Include Plastic Small- Outline (D) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPsPinoutSpecificationsSupply vo...

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SeekIC No. : 004496552 Detail

SN54ALS137: Features: • Combines Decoder and 3-Bit Address Latch• Incorporates Two Output Enables to Simplify Cascading• Package Options Include Plastic Small- Outline (D) Packages, Ceramic Ch...

SN54ALS137 Data Sheet

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Part Number:
SN54ALS137
Supply Ability:
5000

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  • 1~5000
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  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Combines Decoder and 3-Bit Address Latch
• Incorporates Two Output Enables to
  Simplify Cascading
• Package Options Include Plastic Small-
  Outline (D) Packages, Ceramic Chip
  Carriers (FK), and Standard Plastic (N) and
  Ceramic (J) 300-mil DIPs


Pinout

Connection Diagram


Specifications

Supply voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 V
Input voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
Operating free-air temperature range, TA:SN54ALS137 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55°C to 125°C
SN74ALS137A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65°C to 150°C


Description

The SN54ALS137, SN74ALS137A, and 4AS137 are 3-line to 8-line decoders/demultiplexers with latches on the three address inputs. When the latch-enable (LE) input is low, the SN54ALS137, SN74ALS137A, and 4AS137 act as a decoder/demultiplexer. When LE goes from low to high, the address present at the select (A, B, and C) inputs is stored in the latches. Further address changes are ignored as long as LE remains high. The output-enable (OE1 and OE2) inputs control the outputs independently of the select or latch-enable inputs. All of the outputs are forced high if OE1 is low or OE2 is high. The SN54ALS137, SN74ALS137A, and 4AS137 are ideally suited for implementing glitch-free decoders in strobed (stored-address) applications in bus-oriented systems.

The SN54ALS137 and SN54AS137 are characterized for operation over the full military temperature range of 55°C to 125°C. The SN74ALS137A and SN74AS137 are characterized for operation from 0°C to 70°C.




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