... Company, ChipCity is the exclusive distributor of Smart Card IC and integrates market development and product distribution in ... SST, Atmel, Eon, NXP and others. ChipCity's smart card ICs include ST21F288, ST21F384, ST21Y068, ST23YT34, ST23YT66, ST23YL48, ST23YL80 ... S3FS9SD, S3FS91V, AT90SC7272C, AT90SC144144CT and others. ChipCity's Smart Card Operating Systems (COS) are for (U) SIM cards, Banking ...