〇Product structure: Silicon monolithic integrated circuit 〇This product has no designed protection against radioactive rays
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TSZ02201-0R2R0G100020-1-2
24.Mar.2020 Rev.008
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ22111 • 14 • 001
www.rohm.com
Serial EEPROM Series Standard EEPROM
I
2
C BUS EEPROM (2-Wire)
BR24Gxxx-3A (128K 256K 1M)
General Description
BR24Gxxx-3A is a serial EEPROM of I
2
C BUS Interface Method
Features
All controls available by 2 ports of serial clock(SCL) and
serial data(SDA)
Other devices than EEPROM can be connected to the
same port, saving microcontroller port
1.7V to 5.5V Single Power Source Operation most
suitable for battery use
1.7V to 5.5V wide limit of operating voltage, possible
1MHz operation
Page Write Mode useful for initial value write at factory
shipment
Self-timed Programming Cycle
Low Current Consumption
Prevention of Write Mistake
Write (Write Protect) Function added
Prevention of Write Mistake at Low Voltage
More than 1 million write cycles
More than 40 years data retention
Noise filter built in SCL / SDA terminal
Initial delivery state FFh
Page Write
Number of Pages
64Byte
256Byte
Product Number
BR24G128-3A
BR24G256-3A
BR24G1M-3A
BR24G128-3A
Capacity
Bit Format
Type
Power Source
Voltage
Package
128kbit
16k×8
BR24G128-3A
1.7V to 5.5V
DIP-T8
*1
BR24G128F-3A
SOP8
BR24G128FJ-3A
SOP-J8
BR24G128FV-3A
SSOP-B8
BR24G128FVT-3A
TSSOP-B8
BR24G128FVJ-3A
TSSOP-B8J
BR24G128FVM-3A
MSOP8
BR24G128NUX-3A
VSON008X2030
*1 Not Recommended for New Designs.
Packages W(Typ) x D(Typ)x H(Max)
Figure 1.
MSOP8
2.90mm x 4.00mm x 0.90mm
SOP-J8
4.90mm x 6.00mm x 1.65mm
SOP8
5.00mm x 6.20mm x 1.71mm
DIP-T8
9.30mm x 6.50mm x 7.10mm
SSOP-B8
3.00mm x 6.40mm x 1.35mm
TSSOP-B8
3.00mm x 6.40mm x 1.20mm
TSSOP-B8J
3.00mm x 4.90mm x 1.10mm
VSON008X2030
2.00mm x 3.00mm x 0.60mm
Not Recommended for
New Designs
Datashee
t
.
2/36
BR24Gxxx-3A (128K 256K 1M)
TSZ02201-0R2R0G100020-1-2
24.Mar.2020 Rev.008
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ22111 • 15 • 001
www.rohm.com
BR24G256-3A
Capacity
Bit Format
Type
Power Source
Voltage
Package
256kbit
32k×8
BR24G256-3A
1.7V to 5.5V
DIP-T8
*1
BR24G256F-3A
SOP8
BR24G256FJ-3A
SOP-J8
BR24G256FV-3A
SSOP-B8
BR24G256FVT-3A
TSSOP-B8
*1 Not Recommended for New Designs.
BR24G1M-3A
Capacity
Bit Format
Type
Power Source
Voltage
Package
1Mbit
128k×8
BR24G1M-3A
1.7V to 5.5V
DIP-T8
*1
BR24G1MF-3A
SOP8
BR24G1MFJ-3A
SOP-J8
*1 Not Recommended for New Designs.