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BR24L04FVM-WE2 Datasheet(PDF) 11 Page - Rohm

Part # BR24L04FVM-WE2
Description  High Reliability Series EEPROMs I2C BUS
Download  41 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BR24L04FVM-WE2 Datasheet(HTML) 11 Page - Rohm

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Technical Note
11/40
www.rohm.com
2009.09 - Rev.D
© 2009 ROHM Co., Ltd. All rights reserved.
BR24L□□-W Series,BR24S□□□-W Series
Notes on write cycle continuous input
*1 BR24L01A-W becomes Don’t care.
*2 BR24L04-W, BR24L08-W, and BR24L16-W become (n+15).
*3 BR24L32-W and BR24L64-W become (n+31).
Fig.41 Page write cycle
Note)
*1 In BR24L16-W, A2 becomes P2.
*2 In BR24L08-W, BR24L16-W, A1 becomes P1.
*3 In BR24L04-W, A0 becomes PS, and in BR24L08-W and in BR24L16-W, A0 becomes P0.
Fig.42 Difference of each type of slave address
Notes on page write cycle
List of numbers of page write
Number of Pages
8Byte
16Byte
32Byte
Product
number
BR24L01A-W
BR24L02-W
BR24L04-W
BR24L08-W
BR24L16-W
BR24L32-W
BR24L64-W
The above numbers are maximum bytes for respective types.
Any bytes below these can be written.
In the case BR24L02-W, 1 page=8bytes, but the page write cycle write time is 5ms at maximum for 8byte bulk write.
It does not stand 5ms at maximum × 8byte=40ms(Max.).
W
R
I
T
E
S
T
A
R
T
R
/
W
A
C
K
S
T
O
P
WORD
ADDRESS(n)
DATA(n)
SDA
LINE
A
C
K
DATA(n+7)
A
C
K
SLAVE
ADDRESS
10
0
1A0
A1
A2
WA
7
D0
D7
D0
*1
A
C
K
Note)
WA
0
1
1
00
Next command
tWR(maximum : 5ms)
Command is not accepted for this period.
At STOP (stop bit),
write starts.
*2
*3
S
T
A
R
T
1 0
0
1A 0
A1
A2
*1 *2 *3


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