X20C04E-25

更新时间： 2024-02-10 20:18:39

品牌	Logo	应用领域
XICOR		/
页数	文件大小	规格书
15页	69K
描述
Nonvolatile Static RAM

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数据手册

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X20C04E-25 数据手册

X20C04

512 x 8 Bit

Nonvolatile Static RAM

FEATURES

DESCRIPTION

• High Reliability

The Xicor X20C04 is a 512 x 8 NOVRAM featuring a

static RAM overlaid bit-for-bit with a nonvolatile electri-

cally erasable PROM (E²PROM). The X20C04 is fabri-

cated with advanced CMOS floating gate technology to

achieve low power and wide power-supply margin. The

X20C04 features the JEDEC approved pinout for byte-

widememories,compatiblewithindustrystandardRAMs,

ROMs, EPROMs, and E²PROMs.

—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

The NOVRAM design allows data to be easily trans-

ferred from RAM to E²PROM (store) and E²PROM to

RAM (recall). The store operation is completed in 5ms or

less and the recall operation is completed in 5µs or less.

—Standby: 250µA

• Infinite E²PROM Array Recall, and RAM Read

and Write Cycles

• Compatible with X2004

Xicor NOVRAMS are designed for unlimited write

operations to RAM, either from the host or recalls from

E²PROM, andaminimum1,000,000storeoperationsto

the E²PROM. Data retention is specified to be greater

than 100 years.

PIN CONFIGURATION

LCC

PLCC

PLASTIC

CERDIP

32 31 30

I/O

X20C04

(TOP VIEW)

X20C04

I/O

14 15 16 17 18 19 20

3825 FHD F03

3825 FHD F02

©Xicor, Inc. 1992, 1995, 1996 Patents Pending

3825-2.8 7/31/97 T4/C0/D0 SH

Characteristics subject to change without notice

12 3 4 5 6 7...15

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