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 pa40dx-44qf-34 data sheet doc: 404434dq.doc rev 02/09/00 page 1 of 1 supported device/footprints these adapters accept 40 pin dip devices and have a removable 44 pin qfp solder-down plug. they allow dip devices, or emulators with dip plugs, to be used during development of qfp based products. the following dip device footprints are converted to the indicated qfp footprint. zilog: z86c34/ c35/ c36/ c44/ c45/ c46 footprint: same device 44qfp other devices that require the same wiring and footprint would also be supported. this qfp plug will fit most 44 pin. 0.8mm pitch, qfp land patterns. usually the pads extend from the body past the tip of the device leads. this plug will fit on pads that have a minimum span of 10.0mm or less and a maximum span of 12.0mm or more. inner pad span outer pad span 10.0mm or less 12.0mm or more the qfp plugs leads are dimensioned as follows. plug body knee tip pitch pqf-44 10.0 mm typ 9.6 mm typ 12.0 mm typ 0.8 mm adapter dimensions PA40DP-44QF-34 pa40dz-44qf-34 adapter construction the adapter is made up of 3 or 4 sub-assemblies. they assemble via connectors making the adapter modular. this way the sub-assemblies can be replaced easily. 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. the following chart lists the adapters described by this datasheet and their subassemblies. adapter test socket board qfp plug pa40dz-44qf-34 40-adz * pa51-dp-34q pqf-44 PA40DP-44QF-34 none * pa51-dp-34q pqf-44 * the top board always has a 40 pin dip production socket. the optional test socket plugs into the production socket. test socket lsc # style mfgr/pn 40adz dip zif aries 40-6554-11 adapter wiring the following chart shows the connections from the dip device to the adapters qfp plug. dip socket signal qfp plug qfp plug signal dip socket 1 r/w 40 39 n/c - 2 p25 41 38 ds 40 3 p26 42 37 p24 39 4 p27 43 36 p23 38 5 p04 44 35 p22 37 6 p05 1 34 p21 36 7 p06 2 33 p20 35 8 p14 3 32 p03 34 9 p15 4 31 p13 33 10 p07 5 30 p12 32 11 vcc 6 29 gnd 31 11 vcc 7 28 gnd 31 12 p16 8 27 p02 30 13 p17 9 26 p11 29 14 xtal2 10 25 p10 28 15 xtal1 11 24 p01 27 16 p31 12 23 p00 26 17 p32 13 22 p30 25 18 p33 14 21 p36 24 19 p34 15 20 p37 23 20 as 16 19 p35 22 - r/rl 17 18 reset 21 skip short notation (1, 12, 23, 34) (12-13), (34-35) using header pin numbers. pa40dx-44qf-34 data sheet 40 pin dip socket/44 pin qfp plug
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