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APPLICATION NOTE AVA I L A B L E
X20C05 AN56
4K X20C05
High Speed AUTOSTORE™ NOVRAM
512 x 8
FEATURES
• Fast Access Time: 35ns, 45ns, 55ns • High Reliability
—Endurance: 1,000,000 Nonvolatile Store
Operations
—Retention: 100 Years Minimum
• Power-on Recall
—E2PROM Data Automatically Recalled Into
SRAM Upon Power-up
• AUTOSTORE™ NOVRAM
—User Enabled Option
—Automatically Stores SRAM Data Into the E2PROM Array When VCC Low Threshold is Detected
—Open Drain AUTOSTORE Status Output Pin
• Software Data Protection
—Locks Out Inadvertent Store Operations
• Low Power CMOS
—Standby: 250µA
• Infinite E2PROM Array Recall, and RAM Read
and Write Cycles
• Upward compatible with X20C16 (16K)
DESCRIPTION
The Xicor X20C05 is a 512 x 8 NOVRAM featuring a high-speed static RAM overlaid bit-for-bit with a
X20C05 Datasheet
