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SN74AS280

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9 位奇偶校验发生器/校验器

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SN74AS280

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产品详情

Technology family AS Bits (#) 9 Rating Catalog Operating temperature range (°C) 0 to 70
Technology family AS Bits (#) 9 Rating Catalog Operating temperature range (°C) 0 to 70
PDIP (N) 14 181.42 mm² 19.3 x 9.4 SOP (NS) 14 79.56 mm² 10.2 x 7.8
  • Generate Either Odd or Even Parity for Nine Data Lines
  • Cascadable for n-Bit Parity
  • Can Be Used to Upgrade Existing Systems Using MSI Parity Circuits
  • Package Options Include Plastic Small-Outline (D) Packages and Standard Plastic (N) 300-mil DIPs
  • Generate Either Odd or Even Parity for Nine Data Lines
  • Cascadable for n-Bit Parity
  • Can Be Used to Upgrade Existing Systems Using MSI Parity Circuits
  • Package Options Include Plastic Small-Outline (D) Packages and Standard Plastic (N) 300-mil DIPs

These universal 9-bit parity generators/checkers utilize advanced Schottky high-performance

circuitry and feature odd ( ODD) and even ( EVEN) outputs to facilitate operation of either odd- or even-parity applications. The word-length capability is easily expanded by cascading.

These devices can be used to upgrade the performance of most systems utilizing the SN74ALS180 and SN74AS180 parity generators/checkers. Although the SN74ALS280 and SN74AS280 are implemented without expander inputs, the corresponding function is provided by the availability of an input (I) at terminal 4 and the absence of any internal connection at terminal 3. This permits the SN74ALS280 and SN74AS280 to be substituted for the SN74ALS180 and SN74AS180 in existing designs to produce an identical function even if the devices are mixed with existing SN74ALS180 and SN74AS180 devices.

All SN74AS280 inputs are buffered to lower the drive requirements.

The SN74ALS280 and SN74AS280 are characterized for operation from 0°C to 70°C.

 

 

These universal 9-bit parity generators/checkers utilize advanced Schottky high-performance

circuitry and feature odd ( ODD) and even ( EVEN) outputs to facilitate operation of either odd- or even-parity applications. The word-length capability is easily expanded by cascading.

These devices can be used to upgrade the performance of most systems utilizing the SN74ALS180 and SN74AS180 parity generators/checkers. Although the SN74ALS280 and SN74AS280 are implemented without expander inputs, the corresponding function is provided by the availability of an input (I) at terminal 4 and the absence of any internal connection at terminal 3. This permits the SN74ALS280 and SN74AS280 to be substituted for the SN74ALS180 and SN74AS180 in existing designs to produce an identical function even if the devices are mixed with existing SN74ALS180 and SN74AS180 devices.

All SN74AS280 inputs are buffered to lower the drive requirements.

The SN74ALS280 and SN74AS280 are characterized for operation from 0°C to 70°C.

 

 
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类型 标题 下载最新的英语版本 日期
* 数据表 9-Bit Parity Generators/Checkers 数据表 (Rev. C) 1994年 12月 1日

订购和质量

包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

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