BR25H320-2C Datasheet, PDF (1/35 Pages) Rohm – Operation SPI BUS EEPROM

Datasheet
Serial EEPROM Series Automotive EEPROM
125℃ Operation SPI BUS EEPROM
BR25H320-2C
●General Description
BR25H320-2C is a serial EEPROM of SPI BUS interface method.
●Features
„ High speed clock action up to 10MHz (Max.)
„ Wait function by HOLDB terminal.
„ Part or whole of memory arrays settable as read only
memory area by program.
„ 2.5～5.5V single power source action most suitable
for battery use.
„ Page write mode useful for initial value write at
factory shipment.
„ For SPI bus interface (CPOL, CPHA)=(0, 0), (1, 1)
„ Self-timed programming cycle.
„ Low Supply Current
At Write Operation (5V)
: 1.0mA (Typ.)
At Read Operation (5V)
: 1.0mA (Typ.)
At Standby Operation (5V)
: 0.1μA (Typ.)
„ Address auto increment function at read operation
„ 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).
Write mistake prevention function at low voltage.
„ MSOP8, TSSOP-B8, SOP8, SOP-J8 Package
„ Data at shipment Memory array: FFh, status register
WPEN, BP1, BP0 : 0
„ Data kept for 50 years (Ta≦125℃).
„ Data rewrite up to 300,000 times (Ta≦125℃).
„ AEC-Q100 Qualified.
●Package
MSOP8
TSSOP-B8
2.90mm x 4.00mm x 0.90mm 3.00mm x 6.40mm x 1.20mm
SOP8
SOP-J8
5.00mm x 6.20mm x 1.71mm 4.90mm x 6.00mm x 1.65mm
●Page write
Number of pages
Product Number
32 Byte
BR25H320-2C
●BR25H320-2C
Capacity Bit Format
32Kbit
4Kx8
Product Number
BR25H320-2C
Supply Voltage
2.5~5.5V
MSOP8
●
TSSOP-B8
●
SOP8
●
SOP-J8
●
○Product structure：Silicon monolithic integrated circuit
www.rohm.com
©2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
○This product is not designed protection against radioactive rays
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19.Dec.2012 Rev.003