[Simtek]

DESCRIPTION

The Simtek STK12C68-M is a fast static RAM (40, 45 and 55ns), with a nonvolatile EEPROM element incorporated in each static memory cell. The SRAM can be read and written an unlimited number of times, while independent nonvolatile data resides in EEPROM.

FEATURES

• 40, 45 and 55ns Access Times

• 15 mA I Access Speed

• Automatic STORE to EEPROM on Power Down

• Hardware or Software initiated STORE to EEPROM

• Automatic STORE Timing

• 100,000 STORE cycles to EEPROM

• 10 year data retention in EEPROM

• Automatic RECALL on Power Up

• Software initiated RECALL from EEPROM

• Unlimited RECALL cycles from EEPROM

• Single 5V±10 Operation

• Available in multiple standard packages