MAX1840 Datasheet (Maxim) - Low-Voltage SIM/Smart Card Level Translators

MAX1840, Low-Voltage SIM/Smart Card Level Translators

The MAX1840/MAX1841 subscriber identity module (SIM)/smart card level translators provide level shifting and electrostatic discharge (ESD) protection for SIM and smart card ports.

These devices integrate two unidirectional level shifters for the reset and clock signals, a bidirectional level shifter

MAX1840 Features

* MAX1840/MAX1841 Applications SIM Interface in GSM Cellular Telephones Smart Card Readers Logic Level Translation SPI™/QSPI™/MICROWIRE™ Level Translation PART MAX1840EUB MAX1841EUB Ordering Information TEMP. RANGE -40°C to +85°C -40°C to +85°C PIN-PACKAGE 10 µMAX 10 µMAX Typical Operating Circuit