BU99022NUX-3 Datasheet, PDF (1/26 Pages) Rohm – I2C BUS 2kbit + 2kbit 2ports serial EEPROM

Datasheet
I²C BUS
2kbit + 2kbit 2ports serial EEPROM
BU99022NUX-3
●Description
BU99022NUX-3 series is 2kbit + 2kbit 2ports serial EEPROM of I²C BUS interface method.
●FEATURES
・ 2kbit + 2kbit 2ports serial EEPROM
・ Other devices than EEPROM can be connected to the same port, saving microcontroller port
・ 1.7V～5.5V single power source action most suitable for battery use
・ 1.7V～5.5Ｖwide limit of action voltage, possible FAST MODE 400KHz action
・ Page write mode useful for initial value write at factory shipment
・ Auto erase and auto end function at data write
・ Low current consumption
・ Write mistake prevention function
Write (write protect) function added (only port2 EEPROM)
Write mistake prevention function at low voltage
・ VSON008X2030 small package
・ Data rewrite up to 1,000,000 times
・ Data kept for 40 years
・ Noise filter built in SCL / SDA terminal
・ Shipment data all address FFh
www.rohm.com
© 2011 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
1/23
TSZ02201-0R2R0G100010-1-2
2011.12.19 Rev.001