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BR24A Datasheet(PDF) 1 Page - Rohm

Part No. BR24A
Description  High Reliability Series EEPROMs I2C BUS
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Maker  ROHM [Rohm]
Homepage  http://www.rohm.com
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BR24A Datasheet(HTML) 1 Page - Rohm

 
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www.rohm.com
2009.08 - Rev.C
© 2009 ROHM Co., Ltd. All rights reserved.
Serial EEPROM Series
High Reliability Series
EEPROMs I2C BUS
BR24A□□-WM series
Description
BR24A□□-WM series is a serial EEPROM of I
2C BUS interface method.
Features
1) Completely conforming to the world standard I
2C BUS. All controls available by 2 ports of serial clock(SCL) and serial data(SDA)
2) Other devices than EEPROM can be connected to the same port, saving microcontroller port
3) 2.5V~5.5V single power source action most suitable for battery use
4) Page write mode useful for initial value write at factory shipment
5) Highly reliable connection by Au pad and Au wire
6) Auto erase and auto end function at data rewrite
7) Low current consumption
At write operation (5V)
: 1.2mA (Typ.)
*1
At read operation (5V)
: 0.2mA (Typ.)
At standby operation (5V) : 0.1μA (Typ.)
8) Write mistake prevention function
Write (write protect) function added
Write mistake prevention function at low voltage
9) SOP8/SOP-J8/MSOP8 compact package
*2
10) Data rewrite up to 100,000 times
11) Data kept for 40 years
12) Noise filter built in SCL / SDA terminal
13) Shipment data all address FFh
*1 BR24A32-WM,BR24A64-WM : 1.5mA
*2 Refer to following list
Page write
Number of Pages
8Byte
16Byte
32Byte
Product
number
BR24A01A-WM
BR24A02-WM
BR24A04-WM
BR24A08-WM
BR24A16-WM
BR24A32-WM
BR24A64-WM
BR24A series
Capacity
Bit format
Type
Power source Voltage
SOP8
SOP-J8
MSOP8
1Kbit
128×8
BR24A01A-WM
2.5~5.5V
2Kbit
256×8
BR24A02-WM
2.5~5.5V
4Kbit
512×8
BR24A04-WM
2.5~5.5V
8Kbit
1K×8
BR24A08-WM
2.5~5.5V
16Kbit
2K×8
BR24A16-WM
2.5~5.5V
32Kbit
4K×8
BR24A32-WM
2.5~5.5V
64Kbit
8K×8
BR24A64-WM
2.5~5.5V
No.09001ECT02


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