BR24A04-WM 查看數據表（PDF） - ROHM Semiconductor
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BR24A04-WM Datasheet PDF : 32 Pages
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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
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
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)
: 1.2mA (Typ.) *1
At read operation (5V) : 0.2mA (Typ.)
At standby condition (5V) : 0.1μA (Typ.)
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
●Packages W(Typ.) x D(Typ.) x H(Max.)
SOP8
5.00mm x 6.20mm x 1.71mm
SOP- J8
4.90mm x 6.00mm x 1.65mm
MSOP8
2.90mm x 4.00mm x 0.90mm
●Page write
Number of Pages
Product
number
8Byte
BR24A01A-WM
BR24A02-WM
16Byte
BR24A04-WM
BR24A08-WM
BR24A16-WM
●BR24Axxx-WM
Capacity Bit format
1Kbit
128×8
2Kbit
256×8
4Kbit
512×8
8Kbit
1K×8
16Kbit
2K×8
32Kbit
4K×8
64Kbit
8K×8
Type
BR24A01A-WM
BR24A02-WM
BR24A04-WM
BR24A08-WM
BR24A16-WM
BR24A32-WM
BR24A64-WM
Power source voltage
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
SOP8
●
●
●
●
●
●
●
32Byte
BR24A32-WM
BR24A64-WM
SOP-J8
●
●
●
●
●
MSOP8
●
○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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TSZ02201-0R1R0G100140-1-2
29.Jan.2018 Rev.003
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