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MAX1840, MAX1841典型应用电路图
SIM/Smart Card Level Shifting +1.4V to +5.5V Controller Voltage Range +1.7V to +5.5V Card Voltage Range ±10kV ESD Card Socket Protection Allows Level Translation with DVCC > VCC or DVCC < VCC Automatically Shuts Down When Either Supply Is Removed Card Contacts Actively PulLED Low During Shutdown 1μA Total Quiescent Supply Current 0.01μA Total Shutdown Supply Current Ultra-Small 10-Pin μMAX Package Compliant with GSM Test Specifications 11.11 and 11.12 应用电路 逻辑电平转换 GSM蜂窝电话的SIM接口 智能读卡器 SPI?、QSPI?、microWIRE?电平转换 
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