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74LS293N PDF预览

74LS293N

更新时间： 2024-11-22 08:23:15
品牌 Logo 应用领域
罗彻斯特 - ROCHESTER /
页数 文件大小 规格书
8页 1227K
描述
Decade Counter,

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74LS293N 数据手册

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REI Datasheet  
SN54290, SN54293, SN54LS290, SN54LS293  
SN74290, SN74293, SN74LS290, SN74LS293  
Decade and 4-Bit Binary Counters  
The SN54290/SN74290, SN54LS290/SN74LS290, SN54293/SN74293, and SN54LS293/  
SN74LS293 counters are electrically and functionally identical to the SN5490A/SN7490A,  
SN54LS90/SN74LS90, SN5493A/SN7493A, and SN54LS93/SN74LS93, respectively. Only the  
arrangement of the terminals has been changed for the ‘290, ‘LS290, ‘293, and ‘LS293.  
Each of these monolithic counters contains four master-slave flip-flops and additional gating to  
provide a divide-by-two counter and a three-stage binary counter for which the count cycle length  
is divide-by-five for the ‘290 and ‘LS290 and divide-by-eight for the ‘293 and ‘LS293. All of these  
counters have a gated zero reset and the ‘290 and ‘LS290 also have gated set-to-nine inputs for use  
in BCD nine’s complement applications.  
Quality Overview  
Rochester Electronics  
Manufactured Components  
•
•
•
ISO-9001  
AS9120 certification  
Qualified Manufacturers List (QML) MIL-PRF-38535  
Rochester branded components are  
manufactured using either die/wafers  
purchased from the original suppliers  
or Rochester wafers recreated from the  
original IP. All recreations are done with  
the approval of the OCM.  
•
•
Class Q Military  
Class V Space Level  
•
Qualified Suppliers List of Distributors (QSLD)  
•
Rochester is a critical supplier to DLA and  
meets all industry and DLA standards.  
Parts are tested using original factory  
test programs or Rochester developed  
test solutions to guarantee product  
meets or exceeds the OCM data sheet.  
RochesterElectronics, LLCiscommittedtosupplying  
products that satisfy customer expectations for  
quality and are equal to those originally supplied by  
industry manufacturers.  
The original manufacturer’s datasheet accompanying this document reflects the performance  
and specifications of the Rochester manufactured version of this device. Rochester Electronics  
guarantees the performance of its semiconductor products to the original OEM specifications.  
‘Typical’ values are for reference purposes only. Certain minimum or maximum ratings may be  
based on product characterization, design, simulation, or sample testing.  
© 2013 Rochester Electronics, LLC. All Rights Reserved 12192013  
To learn more, please visit www.rocelec.com  
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