SN74ALS137A - 具有地址锁存器的 3 线路至 8 线路解码器/多路解复用器

SN74ALS137A是TI德州仪器公司的一款解码器/编码器/多路复用器产品，SN74ALS137A是具有地址锁存器的 3 线路至 8 线路解码器/多路解复用器，本站介绍了SN74ALS137A的封装应用图解、特点和优点、功能等，并给出了与SN74ALS137A相关的TI元器件型号供参考。

SN74ALS137A - 具有地址锁存器的 3 线路至 8 线路解码器/多路解复用器 - 解码器/编码器/多路复用器 - 特殊逻辑 - 德州仪器

产品描述

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.

产品特性

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

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