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BR24L32-W 데이터시트 PDF




ROHM Semiconductor에서 제조한 전자 부품 BR24L32-W은 전자 산업 및 응용 분야에서
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부품번호 BR24L32-W 기능
기능 I2C BUS EEPROM
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BR24L32-W 데이터시트, 핀배열, 회로
Datasheet
Serial EEPROM Series Standard EEPROM
I2C BUS EEPROM (2-Wire)
BR24Lxxx-W Series
(1K 2K 4K 8K 16K 32K 64K)
General Description
BR24Lxxx-W series 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)
„ Other devices than EEPROM can be connected to
the same port, saving microcontroller port
„ 1.8V to 5.5V *1 single power source action most
suitable for battery use
„ Page write mode useful for initial value write at
factory shipment
„ Highly reliable connection by Au pad and Au wire
„ Auto erase and auto end function at data write
„ Low current consumption
¾ At write operation (5V)
: 1.2mA (Typ.) *2
¾ At read operation (5V)
: 0.2mA (Typ.)
¾ At standby operation (5V) : 0.1μA (Typ.)
„ Write mistake prevention function
¾ Write (write protect) function added
„ Write mistake prevention function at low voltage
„ Data rewrite up to 1,000,000 times
„ Data kept for 40 years
„ Noise filter built in SCL / SDA terminal
„ Shipment data all address FFh
Packages W(Typ.) x D(Typ.) x H(Max.)
SOP8
5.00mm x 6.20mm x 1.71mm
TSSOP-B8
3.00mm x 6.40mm x 1.20mm
SOP- J8
4.90mm x 6.00mm x 1.65mm
TSSOP-B8J
3.00mm x 4.90mm x 1.10mm
SSOP-B8
3.00mm x 6.40mm x 1.35mm
MSOP8
2.90mm x 4.00mm x 0.90mm
*1 BR24L02-W, BR24L16-W, BR24L32-W : 1.7V to 5.5V
*2 BR24L32-W, BR24L64-W : 1.5mA
VSON008X2030
2.00mm x 3.00mm x 0.60mm
Page write
Number of
Pages
Product
number
8Byte
BR24L01A-W
BR24L02-W
16Byte
BR24L04-W
BR24L08-W
BR24L16-W
32Byte
BR24L32-W
BR24L64-W
BR24Lxxx-W Series
Capacity
Bit
format
Type
Power source
Voltage
1Kbit 128×8 BR24L01A-W 1.8V to 5.5V
2Kbit 256×8 BR24L02-W 1.7V to 5.5V
4Kbit 512×8 BR24L04-W 1.8V to 5.5V
8Kbit 1K×8 BR24L08-W 1.8V to 5.5V
16Kbit 2K×8 BR24L16-W 1.7V to 5.5V
32Kbit 4K×8 BR24L32-W 1.7V to 5.5V
64Kbit 8K×8 BR24L64-W 1.8V to 5.5V
SOP8
SOP-J8
SSOP-B8 TSSOP-B8
MSOP8
TSSOP-B8J
VSON008
X2030
●●● ● ●
●●● ● ●
●●● ● ●
●●● ● ●
●●●
●●
Product structureSilicon monolithic integrated circuit
www.rohm.com
©2012 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product is not designed protection against radioactive rays
1/36
TSZ02201-0R2R0G100290-1-2
21.AUG.2012 Rev.001




BR24L32-W pdf, 반도체, 판매, 대치품
BR24Lxxx-W Series (1K 2K 4K 8K 16K 32K 64K)
Sync data input / output timing
SCL
SDA
((input) )
SDA
(o(utput))
tHD:STA
tBUF
tR tF tHIGH
tSU:DAT tLOW
tHD:DAT
tPD tDH
Input read at the rise edge of SCL
Data output in sync with the fall of SCL
Figure 1-(a) Sync data input / output timing
Datasheet
SCL
tSU:STA
SDA
tHD:STA
tSU:STO
START BIT
STOP BIT
Figure 1-(b) Start-stop bit timing
SCL
SDA
D0 ACK
Write data
(n-th address)
W R
Stop condition
Start condition
Figure 1-(c) Write cycle timing
SCL
SDA
DATA(1)
D1 D0 ACK
DATA(n)
tHIGH:WP
WP
ACK
tWR
At write execution, in the area from the D0 taken clock rise of the first
DATA(1), to tWR, set WP=“LOW”.
By setting WP “HIGH” in the area, write can be cancelled.
When it is set WP=“HIGH” during tWR, write is forcibly ended, and data
of address under access is not guaranteed, therefore write it once again.
Figure 1-(e) WP timing at write cancel
SCL
SDA
DATA(1)
D1 D0 ACK
WP
DATA(n)
ACK
WR
Stopcondition ョン
tSUWP
HDWP
Figure 1-(d) WP timing at write execution
www.rohm.com
©2012 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
4/36
TSZ02201-0R2R0G1000290-1-2
21.AUG.2012 Rev.001

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BR24L32-W 전자부품, 판매, 대치품
BR24Lxxx-W Series (1K 2K 4K 8K 16K 32K 64K)
Typical Performance CurvesContinued
Datasheet
Figure 6. Input Leak Current ILI
(SCL, WP)
Figure 7. Output Leak Current ILO (SDA)
Figure 8. Current consumption at WRITE action ICC1
(fscl=400kHz)
Figure 9. Current consumption at WRITE action ICC1
(fscl=400kHz)
www.rohm.com
©2012 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
7/36
TSZ02201-0R2R0G1000290-1-2
21.AUG.2012 Rev.001

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부품번호상세설명 및 기능제조사
BR24L32-W

I2C BUS EEPROM

ROHM Semiconductor
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