BR25H640-2AC Datasheet, PDF (1/40 Pages) Rohm – Operation SPI BUS EEPROM

Datasheet
Serial EEPROM Series Automotive EEPROM
125°C Operation SPI BUS EEPROM
BR25H640-2AC
General Description
BR25H640-2AC is a 64Kbit Serial EEPROM of SPI BUS interface method.
Features
■ SPI BUS interface (CPOL, CPHA)=(0,0), (1,1)
■ Voltage Range
: 2.5V to 5.5V
■ Operating Range
: -40°C to +125°C
■ Clock Frequency
: 10MHz(Max)
■ Write Time
: 4ms(Max)
■ Page Size
: 32bytes
■ Bit Format
: 8192 x 8bit
■ 32bytes Write Lockable Identification Page (ID Page)
■ Address Auto Increment Function at Read Operation
■ Auto Erase and Auto End Function at Data Rewrite
■ Write Protect Block Setting by Software
Memory Array 1/4, 1/2, Whole
■ HOLD Function by HOLDB Pin
■ Low Supply Current
Write Operation (5V) : 1.0mA (Typ)
Read Operation (5V) : 1.2mA (Typ)
Standby State(5V) : 0.1μA (Typ)
■ 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
■ Write Cycles : 1,000,000 Write Cycles (Ta≤85°C)
: 500,000 Write Cycles (Ta≤105°C)
: 300,000 Write Cycles (Ta≤125°C)
■ Data Retention : 100 Years (Ta≤25°C)
: 60 Years (Ta≤105°C)
: 50 Years (Ta≤125°C)
■ Data at Shipment
Memory Array
：FFh
ID Page First 3 Addresses ：2Fh, 00h, 0Dh
Other Addresses ：FFh
Status Register WPEN, BP1, BP0 ：0, 0, 0
Lock Status LS
：0
■ MSOP8, TSSOP-B8, SOP8, SOP-J8 Packages
■ AEC-Q100 Qualified
Packages W(Typ) x D(Typ) x H(Max)
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
〇Product structure : Silicon monolithic integrated circuit
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TSZ22111・14・001
〇This product has no designed protection against radioactive rays
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TSZ02201-0R1R0G100210-1-2
16.Feb.2016 Rev.002