Datasheet > NXT4556AUR

NXT4556AUR

更新时间： 2024-04-09 18:59:06

品牌	Logo	应用领域
安世 - NEXPERIA		/
页数	文件大小	规格书
19页	8116K
描述
SIM card interface level translatorProduction

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NXT4556AUR 数据手册

NXT4556AUR

SIM card interface level translator

Rev. 1 — 5 December 2023

Product data sheet

1. General description

The NXT4556AUR device is built for interfacing a SIM card with a single low-voltage host side

interface. The NXT4556AUR has three level translators to convert the data, RST and CLK

signals between a SIM card and a host microcontroller. A high speed level translation capable of

supporting class-B, class-C SIM cards. V_{CC_SIM}power-down initiates a shutdown sequence on SIM

card pins in accordance with ISO-7816-3.

The NXT4556AUR is compliant with all ETSI, IMT-2000 and ISO-7816 SIM/Smart card interface

requirements.

2. Features and benefits

•

Support SIM cards and eSIM with supply voltages 1.62 V to 3.3 V

•

Host micro-controller operating voltage range: 1.08 V to 1.98 V

Automatic level translation of I/O, RST and CLK between SIM card and host side interface with

capacitance isolation

•

Incorporates shutdown feature for the SIM card signals according to ISO-7816-3

High V_{dis(UVLO_AC)}switching level, arranging quick shut down when V_{CC_SIM}powers down

Integrated pull-up resistors; no external resistor required

Integrated EMI Filters suppresses higher harmonics of digital I/O's

Low current shutdown mode < 1 μA

Supports clock speed beyond 5 MHz clock

Pb-free, Restriction of Hazardous Substances (RoHS) compliant and free of halogen and

antimony (Dark Green compliant)

•

ESD protection:

•

HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2 kV

CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1 kV

IEC61000-4-2 level 4, contact and air discharge on all SIM card-side pins exceeds 8 kV and

15 kV

•

Fast activation at power up

Smooth IO signals at activation

3. Applications

•

NXT4556AUR can be used with a range of SIM card attached devices including:

•

Mobile and personal phones

Wireless modems

SIM card terminals

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