|
BR25H256-2AC Datasheet, PDF (1/38 Pages) Rohm – Operation SPI BUS EEPROM | |||
|
Datasheet
Serial EEPROM Series Automotive EEPROM
125°C Operation SPI BUS EEPROM
BR25H256-2AC
General Description
BR25H256-2AC is a 256Kbit Serial EEPROM of SPI BUS interface method.
Features
â SPI BUS interface (CPOL, CPHA)=(0,0), (1,1)
â Voltage Range
: 2.5V to 5.5V
â Operating Range
: -40°C to +125°C
â Clock Frequency
: 10MHz(Max)
â Write Time
: 4ms(Max)
â Page Size
: 64bytes
â Bit Format
: 32768 x 8bit
â 64bytes Write Lockable Identification Page (ID Page)
â Address Auto Increment Function at Read Operation
â Auto Erase and Auto End Function at Data Rewrite
â Write Protect Block Setting by Software
Memory Array 1/4, 1/2, Whole
â HOLD Function by HOLDB Pin
â Low Supply Current
Write Operation (5V) : 1.0mA (Typ)
Read Operation (5V) : 1.2mA (Typ)
Standby State(5V) : 0.1µA (Typ)
â Prevention of Write Mistake
Write prohibition at Power On
Write prohibition by WPB Pin
Write prohibition Block Setting
Prevention of Write Mistake at Low Voltage
â Write Cycles : 1,000,000 Write Cycles (Taâ¤85°C)
: 500,000 Write Cycles (Taâ¤105°C)
: 300,000 Write Cycles (Taâ¤125°C)
â Data Retention : 100 Years (Taâ¤25°C)
: 60 Years (Taâ¤105°C)
: 50 Years (Taâ¤125°C)
â Data at Shipment
Memory Array
ï¼FFh
ID Page First 3 Addresses ï¼2Fh, 00h, 0Fh
Other Addresses ï¼FFh
Status Register WPEN, BP1, BP0 ï¼0, 0, 0
Lock Status LS
ï¼0
â SOP8, SOP-J8 Packages
â AEC-Q100 Qualified
Packages W(Typ) x D(Typ) x H(Max)
SOP8
SOP-J8
5.00mm x 6.20mm x 1.71mm 4.90mm x 6.00mm x 1.65mm
ãProduct structure : Silicon monolithic integrated circuit
www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ22111ã»14ã»001
ãThis product has no designed protection against radioactive rays
TSZ02201-0R1R0G100200-1-2
1/34
09.Sep.2014 Rev.001
|
▷ |