SN54ALS857 - 具有三态输出的六路 2 至 1 通用多路复用器

SN54ALS857是TI德州仪器公司的一款解码器/编码器/多路复用器产品，SN54ALS857是具有三态输出的六路 2 至 1 通用多路复用器，本站介绍了SN54ALS857的封装应用图解、特点和优点、功能等，并给出了与SN54ALS857相关的TI元器件型号供参考。

SN54ALS857 - 具有三态输出的六路 2 至 1 通用多路复用器 - 解码器/编码器/多路复用器 - 特殊逻辑 - 德州仪器

产品描述

The ´ALS857 are hextuple 2-line to 1-line multiplexers with 3-state outputs. The devices can provide either true (COMP low) or inverted (COMP high) data at the Y outputs. In addition, the ´ALS857 perform the logical AND function (A \x95 B) and the clear function as well. The four modes of operation are:

Select A-data inputs Select B-data inputs AND A inputs with B inputs Clear

In either of the first two modes, OPER = 0 is high if all the selected A or B inputs are low. The six Y outputs and the OPER = 0 output are all 3-state and rated at 12-mA and 24-mA IOL for the SN54ALS857 and SN74ALS857, respectively. All outputs can be placed in the high-impedance state by applying a high level to the COMP, S0, and S1 inputs simultaneously.

The SN54ALS857 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS857 is characterized for operation from 0°C to 70°C.

产品特性

Select True or Complementary Data
Perform AND/NAND (Masking) of A or B Operand
Cascadable to Expand Number of Operands
Detect Zeros on A or B Operands
3-State Outputs Interface Directly With System Bus
Package Options Include Plastic Small-Outline (DW) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (NT) and Ceramic (JT) 300-mil DIPs

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