... solutions. ChipCity provides clients with smart card ICs, development tools, readers, fingerprint products and smart card operating systems (COS). ChipCity products are ... manufacturers: ST, Samsung, SST, Atmel, Eon, NXP and others. ChipCity's smart card ICs include ST21F288, ST21F384, ST21Y068, ST23YT34, ST23YT66, ST23YL48, ST23YL80 ...