Description
The U637H256 has two separate modes of operation: SRAM mode and nonvolatile mode.
Features
- High-performance CMOS nonvolatile static RAM 32768 x 8 bits 25 ns Access Time 10 ns Output Enable Access Time ICC = 15 mA typ. 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 106 STORE cycles to EEPROM 100 years data retention in EEPROM Automatic RECALL on Power Up Software RECALL Initiation Unlimited RECALL cycles from EEPR.
U637H256_Simteh.pdf
