Features and benefits
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Support SIM cards and eSIM with supply voltages 1.62 V to 3.3 V
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Host micro-controller operating voltage range: 1.08 V to 1.98 V
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Automatic level translation of I/O, RST and CLK between SIM card and host side interface with capacitance isolation
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Incorporates shutdown feature for the SIM card signals according to ISO-7816-3
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High Vdis(UVLO_AC) switching level, arranging quick shut down when VCC_SIM powers down
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Integrated pull-up resistors; no external resistor required
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Integrated EMI Filters suppresses higher harmonics of digital I/O's
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Low current shutdown mode < 1 μA
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Supports clock speed beyond 5 MHz clock
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Pb-free, Restriction of Hazardous Substances (RoHS) compliant and free of halogen and antimony (Dark Green compliant)
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ESD protection:
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HBM ANSI/ESDA/JEDEC JS-001 exceeds 2 kV
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CDM ANSI/ESDA/JEDEC JS-002 exceeds 1 kV
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IEC61000-4-2 level 4, contact and air discharge on all SIM card-side pins exceeds 8 kV and 15 kV
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Available in 9-pin wafer level chip-scale package (WLCSP); 9 bumps; 1.06 mm x 1.06 mm x 0.43 mm body; 0.35 mm pitch
Applications
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NXT4556 can be used with a range of SIM card attached devices including:
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Mobile and personal phones
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Wireless modems
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SIM card terminals
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Parametrics
| Type number | Product status | VCC(A) (V) | VCC(B) (V) | Logic switching levels | Output drive capability (mA) | tpd (ns) | Nr of bits | Power dissipation considerations | Tamb (°C) | Rth(j-a) (K/W) | Ψth(j-top) (K/W) | Rth(j-c) (K/W) | Package name |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NXT4556UP | Production | 1.08 - 1.98 | 1.62 - 3.3 | CMOS | ± 1 | 20 | 3 | low | -40~85 | 106 | 0.15 | - | WLCSP9 |
(-) dash denotes: "Parameter value not specified for this product"
Package
| Type number | Package | Package information | Reflow-/Wave soldering | Packing | Status | Marking | Orderable part number, (Ordering code (12NC)) |
|---|---|---|---|---|---|---|---|
| NXT4556UP |  WLCSP9 (SOT8027-1) | SOT8027-1 | SOT8027-1_336 | Active | z6 | NXT4556UPAZ ( 9356 911 90336 ) |
The variants in the table below are discontinued. See the table Discontinuation information for more information.
| Type number | Package | Package information | Reflow-/Wave soldering | Packing | Status | Marking | Orderable part number, (Ordering code (12NC)) |
|---|---|---|---|---|---|---|---|
| NXT4556UP | WLCSP9 (SOT8027-1) | SOT8027-1 | SOT8027-1_084 | Discontinued / End-of-life | z6 | NXT4556UPZ ( 9356 911 90084 ) |
Discontinuation information
| Type number | Orderable part number, (Ordering code (12NC)) | Last time buy date | Last time delivery date | Replacement product | Status | Comments |
|---|---|---|---|---|---|---|
| NXT4556UP | 935691190084 |
Environmental information
| Type number | Orderable part number | Chemical content | RoHS | RHF-indicator | Leadfree conversion date |
|---|---|---|---|---|---|
| NXT4556UP | NXT4556UPAZ | NXT4556UP |  |   |
The variants in the table below are discontinued. See the table Discontinuation information for more information.
| Type number | Orderable part number | Chemical content | RoHS | RHF-indicator | Leadfree conversion date |
|---|---|---|---|---|---|
| NXT4556UP | NXT4556UPZ | NXT4556UP | | |
Support
If you are in need of design/technical support, let us know and fill in the answer form, we'll get back to you shortly.
Models
| File name | Title | Type | Date |
|---|---|---|---|
| nxt4556 | NXT4556 IBIS model | IBIS model | 2021-08-31 |
Ordering, pricing & availability
Sample
As a Nexperia customer you can order samples via our sales organization or directly via our Online Sample Store: https://extranet.nexperia.com.
Sample orders normally take 2-4 days for delivery.
If you do not have a direct account with Nexperia our network of global and regional distributors is available and equipped to support you with Nexperia samples.