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PDF BR24G02-3A Data sheet ( Hoja de datos )
| Número de pieza | BR24G02-3A | |
| Descripción | I2C BUS EEPROM | |
| Fabricantes | ROHM Semiconductor | |
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Datasheet
Serial EEPROM series Standard EEPROM
I2C BUS EEPROM (2-Wire)
BR24G02-3A
●General Description
BR24G02-3A is a serial EEPROM of I2C 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
1.6V to 5.5V single power source action most suitable
for battery use
1MHz action is possible (1.7V to 5.5V)
Up to 8 bytes in page write mode
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
●Packages W(Typ.) x D(Typ.)x H(Max.)
DIP-T8
9.30mm x 6.50mm x 7.10mm
TSSOP-B8J
3.00mm x 4.90mm x 1.10mm
SOP8
5.00mm x 6.20mm x 1.71mm
MSOP8
2.90mm x 4.00mm x 0.90mm
SOP-J8
4.90mm x 6.00mm x 1.65mm
VSON008X2030
2.00mm x 3.00mm x 0.60mm
TSSOP-B8
3.00mm x 6.40mm x 1.20mm
Figure 1.
●BR24G02-3A
Capacity Bit Format
Type
BR24G02-3A
BR24G02F-3A
BR24G02FJ-3A
2Kbit
256×8 BR24G02FVT-3A
BR24G02FVJ-3A
BR24G02FVM-3A
BR24G02NUX-3A
Power Source
Voltage
1.6V to 5.5V
Package
DIP-T8
SOP8
SOP-J8
TSSOP-B8
TSSOP-B8J
MSOP8
VSON008X2030
○Product structure：Silicon monolithic integrated circuit
.www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
○This product is not designed protection against radioactive rays
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TSZ02201-0R2R0G100570-1-2
27.Aug.2014 REV.003
1 page  
BR24G02-3A
●Block Diagram
A0 1
A1 2
A2 3
GND 4
2Kbit EEPROM array
8bit
Address
decoder
Word
8bit
address register
Data
register
START
Control circuit
STOP
ACK
High voltage
generating circuit
Power source
voltage detection
Datasheet
8 Vcc
7 WP
6 SCL
5 SDA
Figure 3. Block diagram
●Pin Configuration
A0 1
8 Vcc
A1 2
A2 3
BR24G02-3A
7 WP
6 SCL
GND 4
5 SDA
●Pin Descriptions
Terminal
Name
A0
Input/
Output
Input
Function
Slave address setting*
A1 Input
Slave address setting*
A2 Input
Slave address setting*
GND
SDA
SCL
－
Input/
output
Input
Reference voltage of all input / output, 0V
Serial data input serial data output
Serial clock input
WP Input
Write protect terminal
Vcc －
*A0, A1 and A2 are not allowed to use as open.
Connect the power source.
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© 2014 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
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TSZ02201-0R2R0G100570-1-2
27.Aug.2014 REV.003
5 Page 
BR24G02-3A
●Typical Performance Curves‐Continued
Datasheet
0.5
SPEC
0.4
0.3
0.2
Ta=-40℃
Ta= 25℃
Ta= 85℃
0.1
SPEC
0
012 3456
SUPPLY VOLTAGE: Vcc(v)
Figure 24. ‘H’ Output Data Delay Time tPD1
0.3
SPEC
0.25
0.2
0.15
0.1
Ta=-40℃
0.05
Ta= 25℃
Ta= 85℃
0
012 3456
SUPPLY VOLTAGE: Vcc(v)
Figure 25. Stop Condition Setup Time tSU:STO
0.6
SPEC
0.5
0.4
Ta=-40℃
Ta= 25℃
0.3 Ta= 85℃
0.2
0.1
0
01 234 5
SUPPLY VOLTAGE: Vcc(v)
Figure 26. BUS Free Time tBUF
6
6
SPEC
5
4
3
2
Ta=-40℃
Ta= 25℃
1 Ta= 85℃
0
0 1 2 34 5
SUPPLY VOLTAGE: Vcc(v)
Figure 27. Write Cycle Time tWR
6
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© 2014 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
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TSZ02201-0R2R0G100570-1-2
27.Aug.2014 REV.003
11 Page | ||
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