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| EM MICROELECTRONIC - MARIN SA Preliminary EM4222 Read-only UHF Identification Device Description The EM4222 is used in passive UHF read-only transponder applications. It is powered up by an RF beam transmitted by the reader, which is received and rectified to generate a supply voltage for the chip. A preprogrammed code is transmitted to the reader by varying the amount of energy that is reflected back to the reader. It implements a robust and fast anti-collision protocol. The chip is frequency independent and is to be used for RF coupled applications. A reading range from 2m to 20m and reading rates up to 120 tags/second can be achieved, depending upon the system configuration. The Tag Talk First (TTF) protocol enables very simple reader implementation. Features Factory programmed 64 bit unique ID number High data rate: Up to 256 kbit/s Frequency independent: Typically used at 869 MHz, 902 - 928 MHz, 2.45 GHz On-chip oscillator On-chip rectifier Low voltage operation - down to 1.0 V Low power consumption Cost effective -40 to +85C operating temperature range Available in die form Operating Configuration UHF transponders can be implemented using an EM4222 chip and an antenna. Typical Applications The EM4222 is ideal for applications where long range, high-speed item identification is required: Supply chain management (SCM) Tracking and tracing Access control Asset control Licensing Auto-tolling Animal tagging Sports event timing Pad No 1 2 A1 EM4222 M2 Ordering information for samples Please make sure to give complete part number when ordering (without spaces between letters). Part Number EM4222V1 EM4222V2 EM4222V3 EM4222V4 EM4222V5 Data rate 64k 64k 256k 256k Max interval Die Form & Thickness 4k 16k Sawn wafer, 11 mils Sawn wafer, 11 mils Sawn wafer, 11 mils Sawn wafer, 11 mils Sawn wafer, 11 mils Bumping no bumps no bumps no bumps no bumps no bumps For ICs to be used in mass production, the customer must define its options with the control ROM bit definition. Using this information, EM Microelectronic-Marin S.A. will define a complete new Part Number for ordering. Product Support Check our Web Site under Products/RF Identification section. Questions can be sent to cid@emmicroelectronic.com w w w Copyright 2003, EM Microelectronic-Marin SA Subject to change without notice Rev. C 04/2003 .d ee sh ta a u. t4 256k om c 4k 16k 64k Phone: +41.32.755-5111, Fax: +41.32.755-5403 www.emmicroelectronic.com info@emmicroelectronic.com www..com Name Function A Negative connection to antenna M Positive connection to antenna |
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