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DS1330W

Part Number	DS1330W
Manufacturer	Dallas Semiconducotr
Description	3.3V 256K Nonvolatile SRAM
Published	Sep 27, 2005
Detailed Description	DS1330W PRELIMINARY DS1330W 3.3V 256K Nonvolatile SRAM with Battery Monitor FEATURES PIN ASSIGNMENT • 10 years mini...
Datasheet	DS1330W PDF File

Overview

DS1330W PRELIMINARY DS1330W 3.
3V 256K Nonvolatile SRAM with Battery Monitor FEATURES PIN ASSIGNMENT • 10 years minimum data retention in the absence of external power • Data is automatically protected during power loss • Power supply monitor resets processor when VCC power loss occurs and holds processor in reset during VCC ramp–up • Battery monitor checks remaining capacity daily • Read and write access times as fast as 150 ns • Unlimited write cycle endurance • Typical standby current 50 µA • Upgrade for 32K x 8 SRAM, EEPROM or Flash • Lithium battery is electrically disconnected to retain freshness until power is applied for the first time BW NC NC RST VCC WE OE CE DQ7 DQ6 DQ5 DQ4...

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