MAXIM MAX1740/MAX1741 Manual

Update: 28 September, 2023

The MAX1740/MAX1741 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 for the serial data stream, and ±10kV ESD protection on all card contacts. The MAX1740 includes a SHDN control input to aid insertion and removal of SIM and smart cards, while the MAX1741 includes a system-side data driver to support system controllers without open-drain outputs. The logic supply voltage range is +1.425V to +5.5V for the “controller side” and +2.25V to +5.5V for the “card side.” Total supply current is 2.5µA max. Both devices automatically shut down when either power supply is removed. For a complete SIM-card interface, combine the MAX1740/MAX1741 with the MAX1686H 0V/3V/5V regulated charge pump. The MAX1740/MAX1741 are available in ultra-small 10-pin µMAX packages that are only 1.09mm high and half the area of an 8-pin SO. The MAX1740/MAX1741 are compliant with GSM test specifications 11.11 and 11.12.

Brand: MAXIM

File format: PDF

Size: 328 KB

MD5 Checksum: 058AA523776B784300BAEA4DD3A554B8

Publication date: 08 May, 2012

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PDF Link: MAXIM MAX1740/MAX1741 Manual PDF

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