AT19C040A-12PC/12PI AT19C040A-12PI AT1-B2-11-610-521-MK AT1-B2-11-615-5D1-MK AT1-B2-11-620-521-MK AT1-B2-11-620-5D1-MK AT1-B2-11-620-5D1-MT AT1-B2-11-640-521-MK AT1-B2-11-640-5D1-MK AT1-B2-11-640-5D1-MT