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UL634H256 Datasheet

Part NameDescriptionManufacturer
UL634H256 Low Voltage PowerStore 32K x 8 nvSRAM ETC
ETC 
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Description
The UL634H256 has two separate modes of operation: SRAM mode and nonvolatile mode. In SRAM mode, the memory operates as an ordinary static RAM. In nonvolatile operation, data is transferred in parallel from SRAM to EEPROM or from EEPROM to SRAM. In this mode SRAM functions are disabled.

Features
□ High-performance CMOS non volatile static RAM 32768 x 8 bits
□ 45 and 55 ns Access Times
□ 20 and 25 ns Output Enable Access Times
□ ICC = 8 mA at 200 ns Cycle Time
□ Automatic STORE to EEPROM on Power Down using external 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
□ Wide voltage range: 2.7 ... 3.6 V
□ Operating temperature ranges: 0 to 70 °C
                                -40 to 85 °C
□ CECC 90000 Quality Standard
□ ESD protection > 2000 V (MIL STD 883C M3015.7-HBM)
□ Packages: SOP32 (300 mil) TSOP32 (Type I)

 

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