DESCRIPTION
The XM20C64 is a high speed nonvolatile RAM Module. It is comprised of four Xicor X20C16 high speed NOVRAMs, a high speed decoder and decoupling capacitors mounted on a co-fired multilayered Ceramic substrate. The XM20C64 is configured 8K x 8 and is fully decoded. The module is a 28-lead DIP conforming to the industry standard pinout for SRAMs.

FEATURES
• High Speed: tAA = 55ns
• NO Batteries!!
• Low Power CMOS
• AUTOSTORE™ NOVRAM
    —Automatically Stores RAM data to E2PROM upon Power-fail Detection
• Open Drain AUTOSTORE Output Pin
    —Provides Interrupt or Status Information
    —Linkable to System Reset Circuitry
• Auto Recall
    —Automatically Recalls E2PROM Data During Power-on
• Fully Decoded Module
• Full Military Temperature Range
    — –55°C to +125°C
• High Reliability
    —Endurance: 1,000,000 Nonvolatile Store Cycles
    —Data Retention: 100 Years
• ESD Protection
    —≥2KV All Pins
• Also Available in 66 Pin PUMA Package