NXT4556 SIM Card Interface Level Translator

Nexperia NXT4556 SIM Card Interface Level Translator is designed for interfacing a SIM card with a single low-voltage host-side interface. The NXT4556 features three-level translators to convert the data, RST, and CLK signals between a SIM card and a host microcontroller. The device supports class-B and class-C SIM cards. The VCC_SIM power-down initiates a shutdown sequence on SIM card pins per ISO-7816-3. The NXT4556 Translator is compliant with all ETSI, IMT-2000, and ISO-7816 SIM/Smart card interface requirements.

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