特点
Power Management and Control for Two SIM Cards or Smart Cards
Independent 1.8V/3V VCC Control for Both Cards
Supports Simultaneous Powering of Both Cards
Fast Channel Switching
Automatic Level Translation
Dynamic Pull-Ups Deliver Fast Signal Rise Times*
Built-In Fault Protection Circuitry
Automatic Activation/Deactivation Sequencing Circuitry
Low Operating/Shutdown Current
> 10kV ESD on SIM Card Pins
Meets EMV Fault Tolerance Requirements
Low Pro? le 20-Lead (3mm × 3mm) QFN Package
典型应用
典型应用
描述
Internal level translators allow controllers operating with supplies as low as 1.4V to interface with 1.8V or 3V Smart Cards. Battery life is maximized by a low operating current of 65μA and a shutdown current of less than 1μA. Board area is minimized by the low pro? le 3mm × 3mm × 0.75mm leadless QFN package.