nvSRAM Modules 512K x 32 High Speed Non-Volatile SRAM FEATURES: BENEFITS: • Versions Available - Vcc = 5V or 3.3V - Operating Temperature Ranges: Military, Enhanced & Industrial - MIL-PRF-38534 Processing - 20ns, 25ns, and 45ns R/W Access Times • EEPROM-like Program modes • Software Protect / Unprotect • Programmable Store & Recall Commands (Hardware options also) • Ceramic Hermetic 68 Quad Flat Pack (CQFP) - Upward Pin Compatible from Footprint of SRAM & EEPROM Module • True Non-volatile SRAM (no batteries) with External Capacitor • Automatic STORE on Power Down with Only a Small Capacitor • STORE to QuantumTrap® Non-volatile Elements (SONOS EEPROM Cell) Initiated by Software, Device Pin, or AutoStore® on Power Down • Automatic Memory Contents Saved on Abrupt Power Outage • Automatic Recall of Memory Contents on Power On • Superior Performance to Equivalent SRAM / EEPROM Solution - Faster Writes - 4x Lower Power - 4x Lower Cost Per Bit - 5x Space Savings • RECALL to SRAM Initiated by Software or Power Up • Infinite Read and Recall Cycles • 200,000 STORE Cycle Endurance • 20yr Data Retention ONE 512K X 32 nvSRAM REPLACES 5 OTHER DEVICES! 512Kx32 nvSRAM 512Kx32 SRAM 128Kx32 EEPROM Vcc PartNumbering Package Speed 3.3v AS8nvLC512K32 QorQB Ͳ20,Ͳ25,orͲ45 Example:AS8nvLC512K32QͲ25/ET 5V AS8nvC512K32 QorQB Ͳ20,Ͳ25,orͲ45 Example:AS8nvC512K32QͲ45/MIL Q=CQFPPackage,QB=CQFPPackagew/TieͲbar 128Kx32 EEPROM Temp/Processing /IT,/ET,/XT,or/MIL /IT,/ET,/XT,or/MIL 128Kx32 EEPROM AVAILABLE PROCESSES IT = Industrial Temp ET = Enhanced Temp XT = Military Temp MIL = MIL-STD-38534 Processing 128Kx32 EEPROM TEMPERATURE -40°C to +85°C -40°C to +105°C -55°C to +125°C -55°C to +125°C 5 1 2 . 3 3 9 . 1 1 8 8 ~ w w w.m icross.com LOGIC BLOCK DIAGRAM [1, 2, 3] 4XDWUXP7UDS ; $ $ $ $ $ $ $ $ $ $ $ 5 2 : ' ( & 2 ' ( 5 4x 4x 6725( 9&& 9&$3 32:(5 &21752/ 5(&$// 67$7,&5$0 $55$< ; 6725(5(&$// &21752/ 62)7:$5( '(7(&7 +6% $$ '4 '4 '4 '4 '4 '4 '4 DQ0-DQ31 '4 '4 '4 '4 '4 , 1 3 8 7 % 8 ) ) ( 5 6 &2/801,2 &2/801'(& 2( :( (1-4) '428 '429 &( (1-4) '430 '431 $ $ $ $ $ $ $ $ %/( %+( PACKAGE DIAGRAMS (inches) ( ) Q PackageDesignatorͲ CQFP(Leadstrimmed&formed) QB PackageDesignator– CQFPwithTieͲbar (Alsoavailable– notshown) Rev. 1.0 5/10 Phone: 512.339.1188 [email protected] www.micross.com