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FM24CL04-S

製品説明
仕様・特性

FM24CL04 4Kb FRAM Serial Memory Features 4K bit Ferroelectric Nonvolatile RAM • Organized as 512 x 8 bits • Unlimited Read/Writes • 45 Year Data Retention • NoDelay™ Writes • Advanced High-Reliability Ferroelectric Process Low Power Operation • 2.7V to 3.65V operation • 75 µA Active Current (100 kHz) @ 3V • 1 µA Standby Current Industry Standard Configuration • Industrial Temperature -40° C to +85° C • 8-pin “Green”/RoHS SOIC (-G) D E D S N N E G M SI 4B M E L0 O D 4C C 2 E W FM R E ve: T N ati O R ern N O Alt F Fast Two-wire Serial Interface • Up to 1 MHz maximum bus frequency • Direct hardware replacement for EEPROM Description The FM24CL04 is a 4-kilobit nonvolatile memory employing an advanced ferroelectric process. A ferroelectric random access memory or FRAM is nonvolatile and performs reads and writes like a RAM. It provides reliable data retention for 45 years while eliminating the complexities, overhead, and system level reliability problems caused by EEPROM and other nonvolatile memories. Pin Configuration NC A1 A2 1 8 2 7 3 6 VSS 4 5 VDD WP SCL SDA Unlike serial EEPROMs, the FM24CL04 performs write operations at bus speed. No write delays are incurred. Data is written to the memory array in the cycle after it has been successfully transferred to the device. The next bus cycle may commence immediately. These capabilities make the FM24CL04 ideal for nonvolatile memory applications requiring frequent or rapid writes. Examples range from data collection where the number of write cycles may be critical, to demanding industrial controls where the long write time of EEPROM can cause data loss. The combination of features allows more frequent data writing with less overhead for the system. The FM24CL04 provides substantial benefits to users of serial EEPROM, yet these benefits are available in a hardware drop-in replacement. The FM24CL04 is available in an industry standard 8-pin package using a two-wire protocol. The specifications are guaranteed over an industrial temperature range of -40°C to +85°C. This product conforms to specifications per the terms of the Ramtron standard warranty. The product has completed Ramtron’s internal qualification testing and has reached production status. Rev. 3.2 Feb. 2011 Pin Names A1-A2 SDA SCL WP VSS VDD Function Device Select Address 1 and 2 Serial Data/Address Serial Clock Write Protect Ground Supply Voltage 3V Ordering Information FM24CL04-G FM24CL04-GTR “Green”/RoHS 8-pin SOIC “Green”/RoHS 8-pin SOIC, Tape & Reel FM24CL04-S * 8-pin SOIC FM24CL04-STR * 8-pin SOIC, Tape & Reel * End of life. Last time buy June 2009. Ramtron International Corporation 1850 Ramtron Drive, Colorado Springs, CO 80921 (800) 545-FRAM, (719) 481-7000 www.ramtron.com Page 1 of 12

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