FM24C512 RAMTRON | Alldatasheet
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Technical content
This is a product that has fixed target specifications but are subject Ramtron International Corporation to change pending characterization results. 1850 Ramtron Drive, Colorado Springs, CO 80921 (800) 545-FRAM, (719) 481-7000 http://www.ramtron.com Rev. 1.0 Aug. 2006 Page 1of 12 FM24C512 512Kb FRAM Serial Memory Features 512Kbit Ferroelectric Nonvolatile RAM Organized as 65,536 x 8 bits High Endurance 10 Billion (1010) Read/Writes 45 year Data Retention NoDelay Writes Advanced High-Reliability Ferroelectric Process Fast Two-wire Serial Interface Up to 1 MHz Maximum Bus Frequency Supports Legacy Timing for 100 kHz & 400 kHz Low Power Operation 5V Operation
250 A Active Current (100 kHz)
120 A Standby Current Industry Standard Configuration
Industrial Temperature -40 C to +85 C Pin Configuration NCA1A2VSSVDDWPSCLSDA12348765 Pin Names Function A1,A2 Device Select Address SDA Serial Data/Address SCL Serial Clock WP Write Protect VSS Ground VDD Supply Voltage 5V
Rev. 1.0 Aug. 2006 Page 2 of 12
Rev. 1.0 Aug. 2006 Page 3 of 12 VDDRmin = 1.8 K?Rmax = tR/Cbus VDD Figure 2. Typical System Configuration
Rev. 1.0 Aug. 2006 Page 5 of 12 Addressing Overview After the FM24C512 (as receiver) acknowledges the Slave Address, the master can drive the remaining portion of the memory address for a write operation. The complete address is specified by the A15 bit in the Slave Address and two additional bytes (A14-A0). The first address byte specifies A14 A8, where the first of the eight bits is a dont care. Following the upper address byte is the lower byte (A7
Rev. 1.0 Aug. 2006 Page 8 of 12 Package Moisture Sensitivity Level MSL-1 For VIN = VIL (max) For VIN = VIH (min) 10 500 K K
Rev. 1.0 Aug. 2006 Page 9 of 12
Rev. 1.0 Aug. 2006 Page 10 of 12 StopStarttBUFtHIGH1/fSCLtLOWtSPtSP AcknowledgetHD:DATtSU:DATtAAtDHSCLSDA Write Bus Timing tSU:STOStartStopStartAcknowledgetAAtHD:DATtHD:STAtSU:DATSCLSDA Data Retention (VDD = 4.5V to 5.5V, +85 C) Parameter Min Units Notes Data Retention 45 Years
Rev. 1.0 Aug. 2006 Page 11 of 12 All dimensions in millimeters. EIAJ SOIC Package Marking Scheme Legend: XXXXXX= part number LLLLLLL= lot code RIC=Ramtron Intl Corp, YY=year, WW=work week FM24C512, Green EIAJ SOIC package, Year 2006, Work Week 30 FM24C512-G A60003G1 RIC 0630 XXXXXXX-G LLLLLLL RIC YYWW
Rev. 1.0 Aug. 2006 Page 12 of 12 Revision History Revision Date Summary 0.1 6/15/06 Product Preview 1.0 8/22/06 Changed to Preliminary status. Changed IDD and ISB limits.