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MIC4555 - SIM Card Level Shifter

General Description

The MIC4555 is a digital level shifter with a 50mA LDO for SIM card interfaces.

There are three high-speed level shifters for SIM card signal translation.

The level shifters are designed to support high-speed clocking up to 5MHz.

Key Features

  • Powers 1.8V or 3V SIM up to 50mA.
  • Input voltage 2.7V to 5.5V.
  • Controller voltage 1.6V to 5.5V.
  • Supports clock rates greater than 5MHz.
  • 8kV ESD protection on SIM contact pins.
  • 16-pin 3mm x 3mm MLF® package.
  • 40°C to +125°C junction temperature range.

📥 Download Datasheet

Datasheet Details

Part number MIC4555
Manufacturer MICREL
File Size 834.95 KB
Description SIM Card Level Shifter
Datasheet download datasheet MIC4555 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MIC4555 SIM Card Level Shifter with 50mA LDO General Description The MIC4555 is a digital level shifter with a 50mA LDO for SIM card interfaces. There are three high-speed level shifters for SIM card signal translation. The level shifters are designed to support high-speed clocking up to 5MHz. The 50mA LDO provides power for the SIM Card to eliminate the need for a separate power device. This simplifies the design of the SIM card interface. The MIC4555 is available in a tiny, lead-free, 16-pin MLF® package (3mm x 3mm), and is specified to operate from −40°C to +125°C junction temperature. Data sheets and support documentation can be found on Micrel’s web site at: www.micrel.com. Features • Powers 1.8V or 3V SIM up to 50mA • Input voltage 2.7V to 5.5V • Controller voltage 1.6V to 5.