Is Now Part of To learn more about ON Semiconductor, please visit our website at www.onsemi.com Please note: As part of the Fairchild Semiconductor integration, some of the Fairchild orderable part numbers will need to change in order to meet ON Semiconductors system requirements. Since the ON Semiconductor product management systems do not have the ability to manage part nomenclature that utilizes an underscore ( ), the underscore ( ) in the Fairchild part numbers will be changed to a dash (-). This document may contain device numbers with an underscore ( ). Please check the ON Semiconductor website to verify the updated device numbers. The most current and up-to-date ordering information can be found at www.onsemi.com. Please email any questions regarding the system integration to Fairchild questions onsemi.com. ON Semiconductor and the ON Semiconductor logo are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries. ON Semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of ON Semiconductors product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent-Marking.pdf. ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. Buyer is responsible for its products and applications using ON Semiconductor products, including compliance with all laws, regulations and safety requirements or standards, regardless of any support or applications information provided by ON Semiconductor. Typical parameters which may be provided in ON Semiconductor data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including Typicals must be validated for each customer application by customers technical experts. ON Semiconductor does not convey any license under its patent rights nor the rights of others. ON Semiconductor products are not designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use ON Semiconductor products for any such unintended or unauthorized application, Buyer shall indemnify and hold ON Semiconductor and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that ON Semiconductor was negligent regarding the design or manufacture of the part. ON Semiconductor is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.FXLA2203 Dual-Mode, Dual-SIM-Card Level Translator August 2012 FXLA2203 Dual-Mode, Dual-SIM-Card Level Translator Description Features The FXLA2203 allows either two hosts to Easy-to-Use Single Pin SIM Card Swap Control simultaneously communicate with two Subscriber Identity Modules (SIM), or two User Identity Modules Channel Swap Time: 130ns (Typical) (UIM). Dual Mode refers to the mobile phones that are Simultaneous Dual-Mode, Dual-SIM Communication compatible with more than one form of data Host Ports: 1.65V to 3.6V Voltage Translation transmission or network (such as GSM, CDMA, WCDMA, TDSCDMA, or CDMA2000), resulting in a Card Ports: 1.65V to 3.6V Voltage Translation dual-baseband processor configuration. In a dual-mode application, the FXLA2203 host ports interface directly Leverages the Presence of Existing PMIC LDOs with the baseband processors (see Figure 9). ISO7816 Compliant The bi-directional I/O open-drain channel features auto- Power Switch R : 0.5 (Typical) ON direction and internal 10K pull-up resistors. RST and CLK Supports Class B 3V SIM / UIM Cards provide unidirectional translation from host to card only. Supports Class C: 1.8V SIM / UIM Cards Either host can swap SIM slots with the assertion of a single control pin: CH Swap. The typical channel swap Non-Preferential Host V Power-Up Sequencing CC time is 130ns. Activation / Deactivation Timing Compliant The FXLA2203 does not contain internal Low Dropout per ISO7816-03 Regulator (LDOs). Instead, the FXLA2203 architecture Internal Pull up Resistors for Bi-Directional I/O Pin incorporates two low-R internal power switches for ON routing existing PMIC (Power Management Integrated Outputs Switch to 3-State if Host V at GND CC Circuit) LDOs to individual SIM slots. This reduces Power-Off Protection overall system power, leverages existing LDO system resources, and aligns with the philosophy that Packaged in 24-Terminal UMLP (2.5mm x 3.5mm) centralizing LDOs in the PMIC facilitates power Direction Control Not Needed management. Since the FXLA2203 does not block the LDO function to the SIM card, existing activation / Applications deactivation timing transparency is maintained between Hosts, PMICs, and SIM cards. Dual-Mode Dual-SIM Applications The device allows voltage translation from as high as GSM, CDMA, WCDMA, TDSCDMA CDMA2000, 3.6V to as low as 1.65V. Each port tracks its own port 3G Cellular Phones power supply. Mobile TV: OMA BCAST Ordering Information Operating Packing Part Number Package Temperature Range Method 24-Terminal, 2.5mm x 3.4mm Ultrathin Molded FXLA2203UMX -40 to 85C Tape and Reel Leadless Package (UMLP), 0.4mm Pitch 2010 Fairchild Semiconductor Corporation www.fairchildsemi.com FXLA2203 Rev. 1.0.5