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WM71004 Datasheet(PDF) 1 Page - Ramtron International Corporation |
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WM71004 Datasheet(HTML) 1 Page - Ramtron International Corporation |
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1 / 24 page  Preliminary This is a product that has fixed target specifications but are Ramtron International Corporation subject to change pending characterization results. 1850 Ramtron Drive, Colorado Springs, CO 80921 (800) 545-FRAM, (719) 481-7000 http://www.ramtron.com Rev. 1.4 May 2011 Page 1 of 24 WM71004 / WM71008 / WM71016 4/8/16Kbit Secure F-RAM Memory with Gen-2 RFID Access DESCRIPTION The WM710xx is a RFID transponder IC with nonvolatile memory employing an advanced ferroelectric process. A ferroelectric random access memory, or F-RAM, is nonvolatile and performs reads and writes like a RAM. It provides reliable data retention for 20 years while eliminating the complexities, overhead, and system level reliability problems caused by EEPROM and other nonvolatile memories. Unlike EEPROM‟s, the WM710xx write operations are zero power – there is no power or speed premium paid for executing writes into the WM710xx as compared to read power and speed. Operation of the memory is fully symmetric: it has an equivalent read and write range. The WM710xx‟s RFID interface is compatible with the EPC Class-1 Generation-2 UHF RFID Protocol for Communications at 860 MHz – 960 MHz, Version 1.2.0 Specification for RFID Air Interface. The WM710xx is a two chip configuration offered in various forms: standard IC package or wafers. All specifications discussed herein are applicable to the combined chipset operation. Figure 1. System Block Diagram FEATURES 4/8/16 Kbit Ferroelectric Nonvolatile RAM Organized as 256/512/1024 x 16 bits Very High Read/Write Endurance (> 10 14) 20-Year Data Retention Gamma Stability Demonstrated to > 30 kGy Symmetric Read/Write Operation Advanced High-Reliability Ferroelectric Process Interface and Security Features EPC Class 1 Gen2 (ISO18000-6C) RFID Compatible Interface (revision 1.2.0) 192-Bit Memory: 96-Bit Electronic Product Code™ (EPC), 32-Bit Access Password, 32-Bit KILL Password, 64-Bit TID Memory (Factory Programmed and Locked) Inventory, Read, Write and Erase features Kill Command Block Permalock Command Access Command UHF carrier frequencies from 860 MHz to 960 MHz ISM band, ASK demodulation Tag-to-reader link frequencies up to 640Kbps Reader-to-tag asymptotical transmission rates up to 128Kbps Supports FM0 and MMS data encoding formats Custom Features Stored Address Pointer to Improve Data Write Speed Stored Address Pointer Lock Block Write Command Variable USER Memory Block Size Support Ultra Low Power Operation Memory Read/Write Sensitivity: < -6 dBm (typ.) Industry Standard Configurations Industrial Temperature -40 C to +85 C Bumped Wafers 8-pin UDFN WM71016 RFID Tag with F-RAM RFID Reader (Class-1 Gen-2) |
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