BR25G256-3

Datasheet Serial EEPROM Series Standard EEPROM SPI BUS EEPROM BR25G256-3 General Description BR25G256-3 is a 256Kbit serial EEPROM of SPI BUS interface. Features  High Speed Clock Action up to 20MHz (Max)  Wait Function by HOLDB Terminal  Part or Whole of Memory Arrays Settable as Read only Memory Area by Program  1.6V to 5.5V Single Power Source Operation Most Suitable for Battery Use.  UP to 64 Byte in Page Write Mode.  For SPI bus interface (CPOL, CPHA) = (0, 0), (1, 1)  Self-timed Programming Cycle  Low Current Consumption  At Write Action (5V) : 0.6mA (Typ)  At Read Action (5V) : 2.0mA (Typ)  At Standby Action (5V) : 0.1µA (Typ)  Address Auto Increment Function at Read Action  Prevention of Write Mistake  Write Prohibition at Power On  Write Prohibition by Command Code (WRDI)  Write Prohibition by WPB Pin  Write Prohibition Block Setting by Status Registers (BP1, BP0)  Prevention of Write Mistake at Low Voltage  More than 100 years Data Retention.  More than 1 Million Write Cycles.  Bit Format 32K×8  Initial Delivery Data Memory Array: FFh Status Register: WPEN, BP1, BP0 : 0 Packages W(Typ) x D(Typ) x H(Max) Not Recommended for New Designs DIP-T8 9.30mm x 6.50mm x 7.10mm SOP- J8 4.90mm x 6.00mm x 1.65mm SOP8 5.00mm x 6.20mm x 1.71mm TSSOP-B8 3.00mm x 6.40mm x 1.20mm Figure 1. Product structure: Silicon monolithic integrated circuit This product is not designed protection against radioactive rays www.rohm.com ©2013 ROHM Co., Ltd. All righ...