... bit Timer/CounterEnvironmentSingle 3V to 5V supply (± 10%)Operating temperature -25 0C to +85 0CMaximum Supply ... development tools, readers, fingerprint products and smart card operating systems (COS). ChipCity products are applied in Telecommunication, Banking ... S3FS91V, AT90SC7272C, AT90SC144144CT and others. ChipCity's Smart Card Operating Systems (COS) are for (U) SIM cards, Banking, Finance ...