X20C16SMB-45中文资料Xicor数据手册PDF规格书

DESCRIPTION

The Xicor X20C16 is a 2K x 8 NOVRAM featuring a high speed static RAM overlaid bit-for-bit with a nonvolatile electrically erasable PROM (E2PROM) and the AUTOSTORE feature which automatically saves the RAM contents to E2PROM at power-down. The X20C16 is fabricated with advanced CMOS floating gate technology to achieve high speed with low power and wide power-supply margin. The X20C16 features a compatible JEDEC approved pinout for byte-wide memories, for industry standard RAMs, ROMs, EPROMs, and E2PROMs.

FEATURES

• Fast Access Time: 35ns, 45ns, 55ns

• High Reliability

—Endurance: 1,000,000 Nonvolatile Store Operations

—Retention: 100 Years Minimum

• AUTOSTORE™ NOVRAM

—Automatically Stores RAM Data Into the E2PROM Array When VCC Low Threshold is Detected

—User Enabled Option

—Open Drain AUTOSTORE Status Output Pin

• Power-on Recall

—E2PROM Data Automatically Recalled Into RAM Upon Power-up

• Software Data Protection

—Locks Out Inadvertent Store Operations

• Low Power CMOS

—Standby: 250µA

• Infinite E2PROM Array Recall, and RAM Read and Write Cycles