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Technology family AS Function Digital Multiplexer Configuration 2:1 Number of channels 4 Operating temperature range (°C) 0 to 70 Rating Catalog
Technology family AS Function Digital Multiplexer Configuration 2:1 Number of channels 4 Operating temperature range (°C) 0 to 70 Rating Catalog
PDIP (N) 16 181.42 mm² 19.3 x 9.4 SOIC (D) 16 59.4 mm² 9.9 x 6
  • Selects One of Two 4-Bit Data Sources and Synchronously Stores Data With System Clock
  • Applications:
    • Dual Source for Operands and Constants in Arithmetic Processor; Can Release Processor Register Files for Acquiring New Data
    • Implements Separate Registers Capable of Parallel Exchange of Contents, Yet Retains External Load Capability
    • Has Universal-Type Register for Implementing Various Shift Patterns, Including Compound Left-Right Capability
  • Package Options Include Plastic Small-Outline (D) Packages and Standard Plastic (N) 300-mil DIPs
  • Selects One of Two 4-Bit Data Sources and Synchronously Stores Data With System Clock
  • Applications:
    • Dual Source for Operands and Constants in Arithmetic Processor; Can Release Processor Register Files for Acquiring New Data
    • Implements Separate Registers Capable of Parallel Exchange of Contents, Yet Retains External Load Capability
    • Has Universal-Type Register for Implementing Various Shift Patterns, Including Compound Left-Right Capability
  • Package Options Include Plastic Small-Outline (D) Packages and Standard Plastic (N) 300-mil DIPs

The SN74AS298A is a quadruple 2-input multiplexer with storage that provides essentially the equivalent functional capabilities of two separate MSI functions (SN74AS157 and ´AS175A) in a 16-pin package.

When the word-select (WS) input is low, word 1 (A1, B1, C1, D1) is applied to the flip-flops. A high input to WS causes the selection of word 2 (A2, B2, C2, D2). The selected word is clocked to the output terminals on the negative-going edge of the clock pulse.

The SN74AS298A is characterized for operation from 0°C to 70°C.

 

 

a1, a2, etc. = the level of steady-state input at A1, A2, etc.
QA0, QB0, etc. = the level of QA, QB, etc. entered on the most recent transition of CLK

The SN74AS298A is a quadruple 2-input multiplexer with storage that provides essentially the equivalent functional capabilities of two separate MSI functions (SN74AS157 and ´AS175A) in a 16-pin package.

When the word-select (WS) input is low, word 1 (A1, B1, C1, D1) is applied to the flip-flops. A high input to WS causes the selection of word 2 (A2, B2, C2, D2). The selected word is clocked to the output terminals on the negative-going edge of the clock pulse.

The SN74AS298A is characterized for operation from 0°C to 70°C.

 

 

a1, a2, etc. = the level of steady-state input at A1, A2, etc.
QA0, QB0, etc. = the level of QA, QB, etc. entered on the most recent transition of CLK

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类型 标题 下载最新的英语版本 日期
* 数据表 Quadruple 2-Input Multiplexer With Storage 数据表 (Rev. B) 1994年 12月 1日
选择指南 Logic Guide (Rev. AB) 2017年 6月 12日
应用手册 Understanding and Interpreting Standard-Logic Data Sheets (Rev. C) 2015年 12月 2日
选择指南 逻辑器件指南 2014 (Rev. AA) 最新英语版本 (Rev.AB) 2014年 11月 17日
用户指南 LOGIC Pocket Data Book (Rev. B) 2007年 1月 16日
应用手册 Semiconductor Packing Material Electrostatic Discharge (ESD) Protection 2004年 7月 8日
应用手册 TI IBIS File Creation, Validation, and Distribution Processes 2002年 8月 29日
应用手册 使用逻辑器件进行设计 (Rev. C) 1997年 6月 1日
应用手册 Advanced Schottky Load Management 1997年 2月 1日
应用手册 Input and Output Characteristics of Digital Integrated Circuits 1996年 10月 1日
应用手册 Live Insertion 1996年 10月 1日
应用手册 Advanced Schottky (ALS and AS) Logic Families 1995年 8月 1日

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用户指南: PDF | HTML
英语版 (Rev.B): PDF | HTML
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PDIP (N) 16 查看选项
SOIC (D) 16 查看选项

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