Datasheet > NXT4558GU

NXT4558GU

更新时间： 2024-11-26 17:01:07

品牌	Logo	应用领域
安世 - NEXPERIA		/
页数	文件大小	规格书
17页	259K
描述
SIM card interface level translator with enable pinProduction

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NXT4558GU 数据手册

NXT4558

SIM card interface level translator with enable pin

Rev. 2 — 27 February 2024

Product data sheet

1. General description

The NXT4558 device is built for interfacing a SIM card with a single low-voltage host side interface.

The NXT4558 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. An active HIGH EN pin enables normal operation of the translator. A HIGH

to LOW transition on pin EN initiates a shutdown sequence on SIM card pins in accordance with

ISO-7816-3.

The NXT4558 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

A HIGH EN signal enables the translation of the signals

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)

•

Latch-up performance exceeds 100 mA per JESD 78 Class II Level B

ESD protection:

•

HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V

CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V

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

15 kV

•

Available in 10-pin XQFN package

Specified from -40 °C to +85 °C

3. Applications

•

NXT4558 can be used with a range of SIM card attached devices including:

•

Mobile and personal phones

Wireless modems

SIM card terminals

12 3 4 5 6 7...17

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