SN74ALS137A

Name: SN74ALS137A
Brand: TI
SKU: SN74ALS137A
Price: 2.256 USD

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具有地址锁存器的 3 线至 8 线解码器/多路信号分离器

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数据表

document-pdfAcrobat 3-Line To 8-Line Decoders/Demultiplexers With Address Latches 数据表 (Rev. C) (英语)

SN74ALS137A

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数据表

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Technology family

ALS

Number of channels

1

Operating temperature range (°C)

0 to 70

Rating

Catalog

Supply current (max) (µA)

10000

Technology family

ALS

Number of channels

1

Operating temperature range (°C)

0 to 70

Rating

Catalog

Supply current (max) (µA)

10000

PDIP (N)

16

181.42 mm² 19.3 x 9.4

SOIC (D)

16

59.4 mm² 9.9 x 6

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

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

The SN54ALS137A, SN74ALS137A, and SN74AS137 are 3-line to 8-line decoders/demultiplexers with latches on the three address inputs. When the latch-enable () input is low, the devices act as decoders/demultiplexers. When 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 remains high. The output-enable controls (G1 and G2\) control the outputs independently of the select or latch-enable inputs. All of the outputs are forced high if G1 is low or G2\ is high. These devices are ideally suited for implementing glitch-free decoders in strobed (stored-address) applications in bus-oriented systems.

The SN54ALS137A is 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.

The SN54ALS137A, SN74ALS137A, and SN74AS137 are 3-line to 8-line decoders/demultiplexers with latches on the three address inputs. When the latch-enable () input is low, the devices act as decoders/demultiplexers. When 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 remains high. The output-enable controls (G1 and G2\) control the outputs independently of the select or latch-enable inputs. All of the outputs are forced high if G1 is low or G2\ is high. These devices are ideally suited for implementing glitch-free decoders in strobed (stored-address) applications in bus-oriented systems.

The SN54ALS137A is 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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