X20C04集成电路（IC）的存储器规格书PDF中文资料

DESCRIPTION

The Xicor X20C04 is a 512 x 8 NOVRAM featuring a static RAM overlaid bit-for-bit with a nonvolatile electrically erasable PROM (E2PROM). The X20C04 is fabricated with advanced CMOS floating gate technology to achieve low power and wide power-supply margin. The X20C04 features the JEDEC approved pinout for byte wide memories, compatible with industry standard RAMs, ROMs, EPROMs, and E2PROMs.

FEATURES

• 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

• Lock Out Inadvertent Store Operations

• Low Power CMOS

—Standby: 250µA

• Infinite E2PROM Array Recall, and RAM Read

and Write Cycles

• Compatible with X2004