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MAX1740

Features: SIM/Smart Card Level Shifting±10kV ESD Card Socket ProtectionAllows Level Translation with DVCC VCC or DVCC VCCAutomatically Shuts Down When Either Supply Is RemovedCard Contacts Actively Pulled Low During Shutdown+1.425V to +5.5V Controller Voltage Range+2.25V to +5.5V Card Voltage Ra...

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SeekIC No. : 004409282 Detail

MAX1740: Features: SIM/Smart Card Level Shifting±10kV ESD Card Socket ProtectionAllows Level Translation with DVCC VCC or DVCC VCCAutomatically Shuts Down When Either Supply Is RemovedCard Contacts Activel...

MAX1740 Data Sheet

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Part Number:
MAX1740
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/27

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Product Details

Description



Features:

 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


Application

SIM Interface in GSM Cellular Telephones
Smart Card Readers
Logic Level Translation
SPI™/QSPI™/MICROWIRE™ Level Translation


Pinout

Connection Diagram


Specifications

DVCC, VCC to GND................................................-0.3V to +6.0V
RIN, CIN, DATA, DDRV,
   SHDN to GND .......................................-0.3V to (DVCC + 0.3V)
RST, CLK, IO to GND ..................................-0.3V to (VCC + 0.3V)
Continuous Power Dissipation (TA = +70°C)
   10-Pin µMAX (derate 5.6mW/°C above +70°C) ...........444mW
Operating Temperature Range ..........................-40°C to +85°C
Storage Temperature Range ............................-65°C to +150°C
Junction Temperature......................................................+150°C
Lead Temperature (soldering, 10s) ................................+300°C


Description

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.




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