MAX1840EUB+

MAXIM INTEGRATED PRODUCTS  MAX1840EUB+  芯片, 逻辑转换器

The is a low voltage subscriber identity module SIM/smart card level translator in 10 pin µMAX package. It provides level shifting and electrostatic discharge ESD protection for SIM and smart card ports. This device is integrated with 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. MAX1840 includes a SHDN control input to aid insertion and removal of SIM and smart cards.

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Supply voltage range is 1.7V to 5.5V

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1.4V to 5.5V controller voltage range AE21

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Automatically shut down when either power supply is removed

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Compliant with GSM test specifications 11.11 and 11.12

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Allows level translation with DVCC > VCC or DVCC < VCC

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Card contacts actively pulled to low during shutdown

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1µA total quiescent supply current

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0.01µA total shutdown supply current

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Operating temperature range from -40°C to 85°C