Infineon SLE5542, SLE5528, Standard PVC card, Blank or pre-printed Ideal for hotel key card, access control card, member card Hotel Key card - Access Control Card - Contact Smart CardPhysical ... /64, ISSI 24C02/04/08/16/64Secured memory ICs available: SLE5542, SLE5528, Atmel AT88SC102, AT88SC1604, AT88SC1608, FM4442, FM4428 Contact chip Hotel Card