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Maxim产品 - MAX1740介绍

MAX1740 - SIM/智能卡电平转换器，µMAX封装

MAX1740是Maxim美信半导体公司的一款电平转换器产品，MAX1740是SIM/智能卡电平转换器，µMAX封装，本站介绍了MAX1740的封装应用图解、特点和优点、功能等，并给出了与MAX1740相关的Maxim元器件型号供参考。

MAX1740 - SIM/智能卡电平转换器，µMAX封装 - 电平转换器 - 业内尺寸最小的SIM/智能卡电平转换器 - 美信半导体

产品概述

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-bar 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.

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • SIM/Smart Card Level Shifting
  • ±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
  • +1.425V to +5.5V Controller Voltage Range
  • +2.25V to +5.5V Card Voltage Range
  • 2.5µA (max) 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
    • 热门应用
  • 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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