BR24L □□ -W Series,BR24S □□□ -W Series
● Pin assignment and description
Technical Note
A0
1
8
Vcc
A1
2
BR24S08-W
BR24S16-W
7
WP
BR24S32-W
A2
3
BR24S64-W
BR24S128-W
6
SCL
BR24S256-W
GND
4
5
SDA
Terminal
Input/
Function
name
A0
A1
A2
Output
Input
Input
Input
BR24S08-W
Don't use
Don't use
Slave address setting
BR24S16-W
Don't use
Don't use
Don't use
BR24S32/64/128/256-W
Slave address setting
Slave address setting
Slave address setting
GND
SDA
SCL
WP
Vcc
-
Input / Output
Input
Input
-
Reference voltage of all input / output, 0V.
Slave and word address,
Serial data input serial data output
Serial clock input
Write protect terminal
Connect the power source.
● Characteristic data (The following values are Typ. ones.)
6
6
1
5
4
Ta=-40℃
Ta=25℃
Ta=85℃
5
4
Ta=-40℃
Ta=25℃
Ta=85℃
0.8
Ta=-40℃
Ta=25℃
Ta=85℃
0.6
3
3
2
1
SPEC
2
1
0.4
0.2
SPEC
SPEC
0
0
1
2 3 4 5
6
0
0
1
2
3
4
5
6
0
0
1
2 3 4 5 6 7
8
1
SUPPLY VOLTAGE : Vcc[V]
Fig.3   'H' input voltage V IH
(A0,A1,A2,SCL,SDA,WP)
1.2
SUPPLY VOLTAGE : Vcc[V]
Fig.4   'L' input voltage V IL
(A0,A1,A2,SCL,SDA,WP)
1.2
L OUTPUT CURRENT : I OL [mA]
Fig.5 'L' output voltage V OL -I OL (Vcc=1.7V)
0.8
1
SPEC
1
SPEC
0.6
0.4
0.2
Ta=-40℃
Ta=25℃
Ta=85℃
SPEC
0.8
0.6
0.4
0.2
Ta=-40℃
Ta=25℃
Ta=85℃
0.8
0.6
0.4
0.2
Ta=-40℃
Ta=25℃
Ta=85℃
0
0
0
0
1
2 3 4 5
6
0
1
2 3 4 5
6
0
1
2 3 4 5
6
L OUTPUT CURRENT : I OL [mA]
Fig.6   'L' output voltage V OL -I OL (Vcc=2.5V)
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SUPPLYVOLTAGE : Vcc[V]
Fig.7   Input leak current I LI
(A0,A,A2,SCL,WP)
24/40
SUPPLY VOLTAGE : Vcc[V]
Fig.8   Output leak current I LO (SDA)
2009.09 - Rev.D
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