Flip flops in EasyEDA Libs Logic devices do not call the correct subckts
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andyfierman 3 years ago
**BUG** Concise problem statement: All the flip flips and latches under the EasyEDA Libs > Gates no longer call the correct subckts. The same is true for the same symbols found using SHIFT+F. Their symbols seem to have changed (I'm pretty sure that they used to work). The spice symbol for the JK flip flop is named JKFF and does not appear to call the JKFFEE subckt The spice symbol for the D type flip flop is named DFF and does not appear to call the DFFEE subckt The spice symbol for the D latch is named DLATCH and does not appear to call the DLATCHEE subckt The spice symbol for the SR flip flop is named SRFF and does not appear to call the SRFFEE subckt The spice symbol for the SR latch is named SRLATCH and does not appear to call the SRLATCHEE subckt The spice symbol for the T type flip flop is named TFF and does not appear to call the TFFEE subckt For example, the JK flip flip, JKFF does not call the JKFFEE subckt correctly: ![enter image description here][1] * Raised in response to: https://easyeda.com/forum/topic/Trouble_with_Logic_subcircuits-zI8IUS3DB [1]: /editor/20160720/578f2a2952317.png
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support 3 years ago
![enter image description here][1] [1]: /editor/20160721/579097dd1d51c.png Don't know Where is the problem, at present, should add the EE by handys ,will digg it what is problem . Thanks
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andyfierman 3 years ago
I know this is not so important compared to the rest of the work on Beta V3.10.2 but this is still a problem. Please see (2) in: https://easyeda.com/forum/topic/simulator_error-Jjd7pHBTb The same problem appears in Beta V3.10.2 (Using Chrome or Firefox Linux). This is a copy of the EasyEDA Source file for DFFEE symbol taken from EasyEDA Libs on my machine: { "head": "7~3.8.3~400~300~package`DIP`nameAlias`Model`catid`20`name`DFF`pre`U?`spicePre`X`Contributor`example``Model`DFFEE``sourceId`8C82kBTN5`", "canvas": "CA~1000~1000~#FFFFFF~yes~#CCCCCC~10~1000~1000~line~10~pixel~5~400~300", "shape": [ "P~show~0~1~350~290~180~gge5^^350~290^^M 350 290 h 20~#880000^^1~372~293~0~D~start~~^^1~365~289~0~1~end~~^^0~367~290^^0~M 370 293 L 373 290 L 370 287", "P~show~0~2~350~310~180~gge12^^350~310^^M 350 310 h 20~#880000^^1~372~313~0~CLK~start~~^^1~365~309~0~2~end~~^^0~367~310^^1~M 370 313 L 373 310 L 370 307", "P~show~0~3~390~250~90~gge19^^390~250^^M 390 250 v 20~#880000^^1~393~272~270~S~end~~^^1~389~265~270~3~start~~^^0~390~267^^0~M 387 270 L 390 273 L 393 270", "P~show~0~4~390~350~270~gge26^^390~350^^M 390 350 v -20~#880000^^1~393~328~270~R~start~~^^1~389~335~270~4~end~~^^0~390~333^^0~M 393 330 L 390 327 L 387 330", "P~none~0~5~410~250~90~gge33^^410~250^^M 410 250 v 20~#FF0000^^1~413~272~270~VDD~end~~^^1~409~265~270~5~start~~^^0~410~267^^0~M 407 270 L 410 273 L 413 270", "P~none~0~6~410~350~270~gge40^^410~350^^M 410 350 v -20~#000000^^1~413~328~270~GND~start~~^^1~409~335~270~6~end~~^^0~410~333^^0~M 413 330 L 410 327 L 407 330", "P~show~0~7~450~290~0~gge47^^450~290^^M 450 290 h -20~#880000^^1~428~293~0~QP~end~~^^1~435~289~0~7~start~~^^0~433~290^^0~M 430 287 L 427 290 L 430 293", "P~show~0~8~450~310~0~gge54^^450~310^^M 450 310 h -14~#880000^^1~428~313~0~QN~end~~^^1~435~309~0~8~start~~^^1~433~310^^0~M 430 307 L 427 310 L 430 313", "R~370~270~~~60~60~#000000~1~0~none~gge61", "T~L~396~303~0~#000000~~5.5pt~~~~comment~DFFEE~1~start~gge62" ], "BBox": { "x": 348, "y": 248, "width": 104, "height": 104 }, "colors": {} } What has gone wrong is: ![enter image description here][1] If the double backticks are corrected then the symbols are OK again. (I could fix this but I cannot edit the symbols in the EsyEDA Libs: I can only save copies as spice symbols.) Thanks. [1]: /editor/20161014/5800dc2fd3b26.png
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support 3 years ago
After release the new version, will try to make the simulation easier. very 100 simulation, just 1 or 2 OK. 98% are not work. Very sadly for the users.
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andyfierman 3 years ago
There is a lot to learn before trying to build and successfully run a simulation in any tool. It is like driving a car. Nobody just gets into a car and drives away in it for the first time. They will crash it in a very short time. People have to learn to drive a car. They have lessons. They do exercises and they practice. They even have to pass a test at the end of it! I need to (and can!) improve the documentation because there are some things that the Simulation eBook does not describe well. In fact there are some things it does not describe at all! There maybe needs to be a bit more teaching about electronics in it too to help explain some aspects of simulation. There need to be examples that users can try from scratch and in small steps before they attempt their first simulation on their own. Having tried to help lots of users, there is a lot that we have learned about what they find hard and what we can do to help, like the components search with tags and so on. Making it clear what components can be used in simulation and what cannot. So I think that there is a lot we **can** do to make simulation easier. Maybe we could even try to make a sort of 'Simulation for Beginners' course and offer people some sort of certificate or coupon or something if they complete it... Of course we still have to encourage our users to make the effort to read the documentation. :)
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