NCN4555 Datasheet - ON Semiconductor

NCN4555 SIM Card Power Supply and Level Shifter

PIN Name Type 1 STOP INPUT 2 MOD_VCC INPUT 3 VDD POWER 4 NC 5 VBAT POWER 6 NC 7 SIM_VCC POWER 8 SIM_I/O INPUT/ OUTPUT 9 SIM_RST OUTPUT 10 GND GROUND 11 SIM_CLK OUTPUT 12 NC 13 CLK INPUT 14 RST 15 I/O INPUT INPUT/ OUTPUT 16 NC Description Power Down Mo.

NCN4555 1.8V / 3V SIM Card Power Supply and Level Shifter The NCN4555 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 NCN4555 useable to drive 1.8 V and 3.0 V SIM card. The device fulfills the ISO7816 3 smart card interface standard as well as GSM 11.11 and related (11.12 and 11.18) and 3G mobile requirements (IMT 2000/3G UICC stan.

NCN4555 Features

* Supports 1.8 V or 3.0 V Operating SIM Card

* The LDO is able to Supply More than 50 mA under 1.8 V and 3.0 V

* Built

* in Pullup Resistor for I/O Pin in Both Directions

* All Pins are Fully ESD Protected According to ISO

* 7816 Specifications

* E

NCN4555 Datasheet (204.67 KB)