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BR24A32-WM 데이터시트 PDF




ROHM Semiconductor에서 제조한 전자 부품 BR24A32-WM은 전자 산업 및 응용 분야에서
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부품번호 BR24A32-WM 기능
기능 I2C BUS Serial EEPROMs
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BR24A32-WM 데이터시트, 핀배열, 회로
Datasheet
Serial EEPROM Series Automotive EEPROM
105Operation 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 -40to +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
¾ At write operation (5V)
: 1.2mA (Typ.) *1
¾ At read operation (5V)
: 0.2mA (Typ.)
¾ At standby condition (5V) : 0.1μA (Typ.)
„ Write mistake prevention function
¾ Write (write protect) function added
¾ Write mistake prevention function at low voltage
„ Data rewrite up to 1,000,000 times(Ta25℃)
„ Data kept for 40 years(Ta25℃)
„ 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.
TSZ2211114001
This product is not designed protection against radioactive rays
1/28
TSZ02201-0R1R0G100140-1-2
6.Nov.2013 Rev.002




BR24A32-WM pdf, 반도체, 판매, 대치품
BR24Axxx-WM (1K 2K 4K 8K 16K 32K 64K)
Block Diagram
Datasheet
*2 A0 1
*2
A1 2
*1
7bit 11bit
8bit 12bit
9bit 13bit
10bit
Address
decoder
1Kbit to 64Kbit EEPROM array
7bit 11bit
*1 8bit 12bit
9bit 13bit
10bit
Slave - word
address register
8bit
Data
register
*2
A2 3
GND 4
START
Control circuit
STOP
High voltage
generating circuit
Power source
voltage detection
ACK
*1 7bit : BR24A01A-WM
8bit : BR24A02-WM
9bit : BR24A04-WM
10bit : BR24A08-WM
11bit : BR24A16-WM
12bit : BR24A32-WM
13bit : BR24A64-WM
*2 A0=N.C.
A0, A1=N.C.
A0, A1= N.C. A2=Don’t Use
: BR24A04-WM
: BR24A08-WM
: BR24A16-WM
8 Vcc
7 WP
6 SCL
5 SDA
Pin Configuration
(TOP VIEW)
A0 1
BR24A01A-WM
A1
2
BR24A02-WM
BR24A04-WM
BR24A08-WM
A2 3
BR24A16-WM
BR24A32-WM
BR24A64-WM
GND 4
8 Vcc
7 WP
6 SCL
5 SDA
Pin Descriptions
Terminal Input /
name output
Function
BR24A01A-WM BR24A02-WM BR24A04-WM BR24A08-WM BR24A16-WM BR24A32-WM BR24A64-WM
A0 Input Slave address setting
Not connected
Slave address setting
A1 Input
Slave address setting
Not connected
Slave address setting
A2 Input
Slave address setting
Not used
Slave address setting
GND
SDA
SCL
-
Input /
output
Input
Reference voltage of all input / output, 0V
Slave and word address, Serial data input serial data output
Serial clock input
WP Input
Write protect terminal
Vcc -
Connect the power source.
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
4/28
TSZ02201-0R1R0G100140-1-2
6.Nov.2013 Rev.002

4페이지










BR24A32-WM 전자부품, 판매, 대치품
BR24Axxx-WM (1K 2K 4K 8K 16K 32K 64K)
Typical Performance CurvesContinued
Datasheet
2.5
[BR24A01A/02/04/08/16-WM]
2.0
fSCL=100kHz SPEC
DATA=AAh
1.5
1.0
Ta=25
0.5
Ta=105
Ta=-40
0
0123456
Vcc[V]
Figure 10. Current consumption at WRITE operation
ICC1 (fSCL=100kHz)
3.5
[BR24A32/64-WM]
3.0
fSCL=100kHz SPEC
2.5 DATA=AAh
2.0
1.5
1.0
Ta=25
0.5
Ta=105
Ta=-40
0
0123456
Vcc[V]
Figure 11. Current consumption at WRITE operation
ICC1 (fSCL=100kHz)
0.6
SPEC
0.5
fSCL=100kHz
DATA=AAh
0.4
0.3
0.2
0.1
0
0
Ta=25
Ta=105
Ta=-40
12345
Vcc[V]
6
Figure 12. Current consumption at READ operation
ICC2 (fSCL=100kHz)
2.5
SPEC
2.0
1.5
1.0
0.5 Ta=105
Ta=-40Ta=25
0
0123456
Vcc[V]
Figure 13. Standby current ISB
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
7/28
TSZ02201-0R1R0G100140-1-2
6.Nov.2013 Rev.002

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BR24A32-WM

I2C BUS Serial EEPROMs

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