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Commodore 64 replacement PLA, J-PLA, C64, SX-64. Replaces 906114-01. For Sale


Commodore 64 replacement PLA, J-PLA, C64, SX-64. Replaces 906114-01.

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Commodore 64 replacement PLA, J-PLA, C64, SX-64. Replaces 906114-01.:
$19

J-PLA Commodore 64/SX-64 replacement PLA.
Replaces the following original C64/SX-64 PLAs: 82S100, 93459PC, 7700, 8700, 906114-01, 251064-01, U17PLA is one of the most commonly failing parts in C64's. Broken PLA can cause for example black screen, garbage on screen,problems with cartridges. Replacing it with a modern alternative instead of an original PLA adds reliability to your C64.Replacing PLA may need soldering. Some boards have PLA socketed, some soldered directly on PCB.Features:- Reproduces PLA signal logic, timing, voltage levels and rise & fall -times closely to original 906114-01.- Correct timing on all output signals, not just the most critical #CASRAM- Uses genuine Xilinx CPLD bought from authorized dealer.- Draws a lot less current than the original 906114-01 PLA (less than 25mA vs over 100mA).- Does not heat up like original, no heatsink required.- Integrated voltage regulator, constantly correct voltage for the CPLD. Also tolerates accidental insertion into SID-socket which has greater voltage.- Additional delay on #CASRAM can be enabled with a solder jumper, if needed. (Not needed with any board so far)- Tested with every C64 and SX-64 motherboard versions, except 250469 (because 250469 does not use PLA like this).- Tested mainboards include 251102(SX-64), 326298, KU-14194HB, 250407, 250425 and 250466. NTSC and PAL -versions.- Tested with a lot of hardware and cartridges, everything works perfectly, including Epyx Fastload and Super Zaxxon -cartridges which cause problems with some replacement PLAs.- Now also tested to work flawlessly with EasyFlash 3 and Ultimate II+ cartridges.- No compatibility problems with any hardware or software found.
Every item is tested prior shipping. Tests include full logic test and signal timing, voltage and fall & rise time tests, and of course tested on a Commodore 64.
Buyer is responsible for any additional costs such as duties, taxes, and customs clearance fees.

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