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