Datasheet
Serial EEPROM Series Automotive EEPROM
105℃ Operation I2C BUS EEPROM (2-Wire)
BR24Axxx-WM
(1K 2K 4K 8K 16K 32K 64K)
●General Description
BR24Axxx-WM is a serial EEPROM of I2C BUS interface method.
●Features
●Packages W(Typ.) x D(Typ.) x H(Max.)
Completely conforming to the world standard I2C BUS.
All controls available by 2 ports of serial clock
(SCL) and serial data (SDA)
Wide temperature range -40℃ to +105℃
Other devices than EEPROM can be connected to
the same port, saving microcontroller port
2.5V to 5.5V single power source operation most
suitable for battery use
SOP8
5.00mm x 6.20mm x 1.71mm
Page write mode useful for initial value write at
factory shipment
Auto erase and auto end function at data rewrite
Low current consumption
At write operation (5V)
At read operation (5V)
At standby condition (5V) : 0.1μA (Typ.)
: 1.2mA (Typ.) *1
: 0.2mA (Typ.)
SOP- J8
4.90mm x 6.00mm x 1.65mm
Write mistake prevention function
Write (write protect) function added
Write mistake prevention function at low voltage
Data rewrite up to 1,000,000 times(Ta≦25℃)
Data kept for 40 years(Ta≦25℃)
Noise filter built in SCL / SDA terminal
Shipment data all address FFh
*1 BR24A32-WM, BR24A64-WM : 1.5mA
AEC-Q100 Qualified
MSOP8
2.90mm x 4.00mm x 0.90mm
●Page write
Number of Pages
8Byte
16Byte
32Byte
BR24A04-WM
BR24A08-WM
BR24A16-WM
Product
number
BR24A01A-WM
BR24A02-WM
BR24A32-WM
BR24A64-WM
●BR24Axxx-WM
Capacity
1Kbit
Bit format
128×8
256×8
512×8
1K×8
Type
Power source voltage
SOP8
SOP-J8
MSOP8
BR24A01A-WM
BR24A02-WM
BR24A04-WM
BR24A08-WM
BR24A16-WM
BR24A32-WM
BR24A64-WM
2.5V to 5.5V
2.5V to 5.5V
2.5V to 5.5V
2.5V to 5.5V
2.5V to 5.5V
2.5V to 5.5V
2.5V to 5.5V
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2Kbit
●
4Kbit
8Kbit
16Kbit
32Kbit
64Kbit
2K×8
4K×8
8K×8
○Product structure: Silicon monolithic integrated circuit ○This product is not designed protection against radioactive rays
www.rohm.com
TSZ02201-0R1R0G100140-1-2
29.Jan.2018 Rev.003
©2012 ROHM Co., Ltd. All rights reserved.
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