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BR24L □□ -W Series,BR24S □□□ -W Series
Technical Note
1) Completely conforming to the world standard I C BUS. All controls available by 2 ports of serial clock (SCL)
Serial EEPROM Series
High Reliability Series
EEPROMs I 2 C BUS
BR24S □□□ -W Series
● Description
BR24S -W series is a serial EEPROM of I2C BUS interface method.
● Features
2
and serial data (SDA)
2) Other devices than EEPROM can be connected to the same port, saving microcontroller port.
3) 1.7 ～ 5.5V single power source action most suitable for battery use.
4) FAST MODE 400kHz at 1.7 ～ 5.5V
5) Page write mode useful for initial value write at factory shipment.
6) Highly reliable connection by Au pad and Au wire.
7) Auto erase and auto end function at data rewrite.
8) Low current consumption
At write operation (5V)
: 0.5mA (Typ.)
At read operation (5V) : 0.2mA (Typ.)
At standby operation (5V) : 0.1 μ A (Typ.)
9) Write mistake prevention function
Write (write protect) function added
Write mistake prevention function at low voltage
10) SOP8/SOP-J8/SSOP-B8/TSSOP-B8/MSOP8/TSSOP-B8J/VSON008X2030 compact package
11) Data rewrite up to 1,000,000 times
12) Data kept for 40 years
13) Noise filter built in SCL / SDA terminal
14) Shipment data all address FFh
● Page write
Number of pages
Product number
16Byte
BR24S08-W
BR24S16-W
32Byte
BR24S32-W
BR24S64-W
64Byte
BR24S128-W
BR24S256-W
● BR24S series
Capacity
Bit
format
Type
Power source
voltage
SOP8
SOP-J8
SSOP-B8 TSSOP-B8
MSOP8
TSSOP-B8J
VSON008
X2030
8Kbit
16Kbit
32Kbit
64Kbit
1K×8
2K×8
4K×8
8K×8
BR24S08-W
BR24S16-W
BR24S32-W
BR24S64-W
1.7 ～ 5.5V
1.7 ～ 5.5V
1.7 ～ 5.5V
1.7 ～ 5.5V
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128Kbit
256Kbit
16K×8
32K×8
BR24S128-W
BR24S256-W
1.7 ～ 5.5V
1.7 ～ 5.5V
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? 2009 ROHM Co., Ltd. All rights reserved.
20/40
2009.09 - Rev.D
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