logical systems corporation po box 6184, syracuse, ny 13217-6184 usa tel (315) 478-0722, fax (315) 479-6753 www.logicalsys.com, email: info@logicalsys.com sy tems s PA28-28-DP(-pp) data sheet doc: 28dp.doc rev 1/28/97 page 1 of 1 supported device/footprints the PA28-28-DP adapter accepts 28 pin dip devices and plugs into 28 pin plcc production sockets. this allows dip devices or emulators with dip plugs to be used during development of plcc based products. the PA28-28-DP-pp has a production socket only. adapter dimensions PA28-28-DP PA28-28-DP-pp adapter construction the adapter is made up of 3 sub-assemblies. they assemble via connectors making the adapter modular. this way the sub- assemblies can be replaced when they wear out. when disassembling the adapter take care not to bend the pins. when reassembling the adapter note the pin 1 indicators to align the parts correctly. test socket aries part #: 28-6554-11 lsc part #: 28adz 28-28-1-dip accepts the test socket and connects to the the bottom board 28plug accepts the top board and provides the plcc plug. adapter wiring this adapter is wired 1 to 1. the following chart shows the connections from the dip device to the adapters plcc plug. device plug 11 22 33 44 55 66 77 88 99 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 25 25 26 26 27 27 28 28 PA28-28-DP(-pp) data sheet 28 pin dip zif socket/28 pin plcc plug
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