How to replace CD40xx ICs with GreenPAK
●This application note describes the behavior and operation of several ICs of the CD40XX family, and how to implement their functionality using the SLG46880 or the SLG46533.
●This application note comes complete with design files which can be found in the References section.
■Introduction
●The CD40XX family of Integrated Circuits (ICs) are some of the most commonly used ICs by electronic enthusiasts. Most of these ICs are sold in a DIP through-hole package, which makes them easy to implement and affordable enough to be attractive for electronic enthusiasts. Most CD40XX ICs have a singular function, which means a designer may need several of them to perform tasks that require more than one process.
●SLG46880 and SLG46533 programmable mixed-signal ASICs are excellent substitutes for most, if not all, of the CD40XX ICs. In this application note, we’ll explore the behavior and operation of several ICs of the CD40XX family, and how we can implement their functionality using the SLG46880 or the SLG46533.
●The SLG46880 has an internal Asynchronous State Machine (ASM). However, unlike other GreenPAK devices like the SLG46537 and SLG46538, the SLG46880’s ASM has 12 states rather than 8. These additional states allow us to drive displays, and the amount of Look-Up Tables (LUTs) is well suited to develop a decent number of parallel tasks. Despite the increased functionality, the SLG46880 remains a low power solution.
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CD40xx 、 CD40XX family 、 SLG46880 、 SLG46533 、 CD4001 、 CD4002 、 CD4009 、 CD4010 、 CD4011 、 CD4012 、 CD4013 、 CD4023 、 CD4025 、 CD4030 、 CD4070 、 CD4071 、 CD4072 、 CD4073 、 CD4075 、 CD4077 、 CD4081 、 CD4082 |
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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15-Mar-2018 |
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Revision 1.0 |
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AN-CM-235 |
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1.2 MB |
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