Part ET4555
Description Level shifter analog circuit designed to translate the voltages between a SIM Card and an external microcontroller or MPU
Category Microcontroller
Manufacturer Etek Microelectronics
Size 162.70 KB
Etek Microelectronics

ET4555 Overview

Description

The ET4555 is a level shifter analog circuit designed to translate the voltages between a SIM Card and an external microcontroller or MPU. A built-in LDO-type DC-DC converter makes the ET4555 useable to drive 1.8 V & 3.0V SIM card.