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WM71004 Datasheet(PDF) 1 Page - Ramtron International Corporation

Part # WM71004
Description  4/8/16Kbit Secure F-RAM Memory with Gen-2 RFID Access
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Manufacturer  RAMTRON [Ramtron International Corporation]
Direct Link  http://www.ramtron.com
Logo RAMTRON - Ramtron International Corporation

WM71004 Datasheet(HTML) 1 Page - Ramtron International Corporation

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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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