DESCRIPTION

The X68257 is an 32K x 8 E2PROM fabricated with advanced CMOS Textured Poly Floating Gate Technology. The X68257 features a multiplexed address and data bus allowing direct interface to a variety of popular single-chip microcontrollers operating in expanded multiplexed mode without the need for additional interface circuitry.

FEATURES

• Multiplexed Address/Data Bus

—Direct Interface to Popular 68HC11 Family

• High Performance CMOS

—Fast Access Time, 120ns

—Low Power

—60mA Active Maximum

—500µA Standby Maximum

• Software Data Protection

• Toggle Bit Polling

—Early End of Write Detection

• Page Mode Write

—Allows up to 128 Bytes to be Written in One Write Cycle

• High Reliability

—Endurance: 10,000 Write Cycle

—Data Retention: 100 Years

• 28-Lead PDIP Package

• 28-Lead SOIC Package

• 32-Lead PLCC Package