TXS02326A

TXS02326A www.ti.com SCES830A – MAY 2012 – REVISED AUGUST 2013 DUAL-SUPPLY 2:1 SIM CARD MULTIPLEXER/TRANSLATOR WITH AUTOMATIC DETECTION AND SLOT DEDICATED DUAL LDO Check for Samples: TXS02326A FEATURES 1 Level Translator – VDDIO Range of 1.7-V to 3.3-V Low-Dropout (LDO) Regulator – 50-mA LDO Regulator With Enable – 1.8-V or 2.95-V Selectable Output Voltage – 2.3-V to 5.5-V Input Voltage Range – Very Low Dropout: 100 mV (Max) at 50 mA Control and Communication Through I2C Interface With Baseband Processor ESD Protection Exceeds JESD 22 – 2500-V Human-Body Model (A114-B) – 6000-V Human-Body Model (A114-B) on VSIM1, SIM1CLK, SIM1I/O, SIM1RST, VSIM2, SIM2CLK, SIM2I/O, SIM2RST – 1000-V Charged-Device Model (C101) Package – 24-Pin QFN (4 mm x 4 mm) RGE PACKAGE (TOP VIEW) SDA SCK CLK VDDIO GND OE IRQ RSTX SDN BSI SIM2CLK SIM2I/O 24 23 22 21 20 19 1 18 2 17 3 Exposed 16 4 Thermal Pad 15 5 14 6 13 7 8 9 10 11 12 SIMI/O SIMCLK SIMRST NC SIM1CLK SIM1I/O SIM2RST VSIM2 VBAT GND VSIM1 SIM1RST Note: The Exposed Thermal Pad must be connect to Ground. DESCRIPTION/ORDERING INFORMATION The TXS02326A is a complete dual-supply standby Smart Identity Module (SIM) card solution for interfacing wireless baseband processors with two individual SIM subscriber cards to store data for mobile handset applications. It is a custom device which is used to extend a single SIM/UICC interface to support two SIMs/UICCs. The device complies with ISO/IEC Smart-Card Interface requ...