DESCRIPTION

The X24022 is a CMOS 2048 bit serial E2PROM, internally organized 256 x 8. The X24022 features a serial interface and software protocol allowing operation on a simple two wire bus. Three address inputs allow up to eight devices to share a common two wire bus.

Xicor E2PROMs are designed and tested for applications requiring extended endurance. Inherent data retention is greater than 100 years. The X24022 is avail able in eight pin DIP and SOIC packages.

FEATURES

• 2.7V to 5.5V Power Supply

• Low Power CMOS

—Active Current Less Than 1 mA

—Standby Current Less Than 50 µA

• Internally Organized 256 x 8

• Self Timed Write Cycle

—Typical Write Cycle Time of 5 ms

• 2 Wire Serial Interface

—Bidirectional Data Transfer Protocol

• Four Byte Page Write Operation

—Minimizes Total Write Time Per Byte

• High Reliability

—Endurance: 100,000 Cycles Per Byte

—Data Retention: 100 Years