SD, SDIO, Mini SD, Micro SD and SIM Card Voltage Level Translator with EMI Filter and ESD Protection
SIM Card Interface Level Translator with EMI Filter and ESD Protection
The NVT4557 device is built for interfacing a SIM card with a single low-voltage 1.08 V to 1.95 V host side interface. The NVT4557 contains three 1.65 V to 3.6 V level translators to convert the data, RSTn and CLKn signals between a SIM card and a host microcontroller.
The NVT4557 is compliant with ISO-7816 SIM/smart card interface requirements.
製品詳細
Features
Key Features
- Supports clock speed up to 10 MHz clock
- Compliant with ISO-7816 SIM/Smart card interface requirements
- Support SIM card supply voltages with range of 1.65 V to 3.6 V
- Host microcontroller operating voltage range: 1.08 V to 1.95 V
- Automatic level translation of I/O, RSTn and CLKn between SIM card and host side interface with capacitance isolation
- Incorporates shutdown feature for the SIM card signals according to ISO-7816-3
- Automatic enable and disable through VCCB
- Integrated pull-up and pull-down resistors: no external resistors required
- Integrated EMI filters suppress higher harmonics of digital I/Os
- Integrated 8 kV ESD protection according to IEC 61000-4-2, level 4 on all SIM card contact pins
- Level shifting buffers keep ESD stress away from the host (zero-clamping concept)
- Pb-free, restriction of hazardous substances (RoHS) compliant and free of halogen and antimony (Dark Green compliant)
- Available in 9-pin WLCSP package in 0.3 mm pitch and 10-pin XQFN10 package with 0.4 mm pitch
Product Longevity Program
- This product is included in the NXP Product Longevity Program ensuring a stable supply of products for your embedded designs. The NVT4557HK is included in the 10-year program.
比較表
| NVT4555UK | NVT4557UK | NVT4557HK | |
|---|---|---|---|
| SIM Card Level Translator | |||
| Internal LDO | |||
| Package | WLCSP12 | WLCSP9 | XQFN10 |
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