Description
The U63764 has two separate modes of operation: SRAM mode and nonvolatile mode. In SRAM mode, the memory operates as an ordinary static RAM. In non-volatile operation, data is transferred in parallel from SRAM to EEPROM or from EEPROM to SRAM. In this mode SRAM functions are disabled.

Features
• CMOS non- volatile static RAM 8192 x 8 bits
• 70 ns Access Time
• 35 ns Output Enable Access Time
• ICC = 15 mA at 200 ns Cycle Time
• Unlimited Read and Write Cycles to SRAM
• Automatic STORE to EEPROM on Power Down using charge stored in an integrated capacitor
• Software initiated STORE
• Automatic STORE Timing
• 105 STORE cycles to EEPROM
• 10 years data retention in EEPROM
• Automatic RECALL on Power Up
• Software RECALL Initiation
• Unlimited RECALL cycles from EEPROM
• Single 5 V ± 10 % Operation
• Operating temperature range:
    0 to 70 °C
    -40 to 85 °C
• QS 9000 Quality Standard
• ESD protection > 2000 V (MIL STD 883C M3015.7)
• RoHS compliance and Pb- free
• Package: PDIP28 (600 mil)