LTC1555 translator equivalent, sim power supply and level translator.
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DESCRIPTION
The LTC®1555/LTC1556 provide power conversion and level shifting needed for 3V GSM cellular telephones to interface with either 3V or 5V Subscriber Ide.
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SIM Interface in GSM Cellular Telephones Smart Card Readers
TYPICAL APPLICATION
GSM Cellular Telephone SIM Interfa.
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