ET4555 Datasheet (Etek Microelectronics) - Level shifter analog circuit designed to translate the voltages between a SIM Card and an external microcontroller or MPU

ET4555, Level shifter analog circuit designed to translate the voltages between a SIM Card and an external microcontroller or MPU

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. The device fulfills the ISO7816 *3 sm

ET4555 Features

* Supports 1.8V or 3.0V Operating SIM Card The LDO is able to Supply More than 50mA under 1.8V & 3.0V Built

* in Pullup Resistor for I/O Pin in Both Directions All Pins are Fully ESD Protected According to ISO

* 7816 Specifications

* ESD Protection on SIM Pins in Excess of 7 kV (Hu