BR24L02-W Rohm Semiconductor, BR24L02-W Datasheet - Page 19

• Manufacturer Part Number: BR24L02-W
• Description: IC EEPROM 2KBIT 400KHZ 8DIP
• Manufacturer: Rohm Semiconductor

Specifications of BR24L02-W

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 2K (256 x 8)
• Speed: 400kHz
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

●Block diagram
●Pin assignment and description
●Characteristic data (The following values are Typ. ones.)
0.8
0.6
0.4
0.2
6
5
4
3
2
1
0
1
0
Fig.6 'L' output voltage V
0
0
Ta=-40℃
Ta=25℃
Ta=85℃
A0
A1
A2
GND
Ta=-40℃
Ta=25℃
Ta=85℃
1
1
Fig.3 'H' input voltage V
(A0,A1,A2,SCL,SDA,WP)
L OUTPUT CURRENT : I
SUPPLY VOLTAGE : Vcc[V]
1
2
3
4
2
2
SPEC
GND
*2
*2
*2
A0
A1
A2
3
3
BR24S16-W
BR24S32-W
BR24S64-W
BR24S128-W
BR24S256-W
SPEC
1
2
3
4
OL
-I
＊
4
4
OL
1
OL
(Vcc=2.5V)
[mA]
High voltage
generating circuit
IH
11bit: BR24S16-W
12bit: BR24S32-W
13bit: BR24S64-W
14bit: BR24S128-W
15bit: BR24S256-W
5
5
Adddress
decoder
11bit
12bit
13bit
14bit
15bit
6
6
*1
8
7
6
5
Control circuit
SCL
SDA
Vcc
WP
*1
16Kbit～256Kbit EEPROM array
11bit
12bit
13bit
14bit
15bit
START
Fig.2 Block diagram
1.2
0.8
0.6
0.4
0.2
Power source
voltage detection
1
0
Slave - word
address register
6
5
4
3
2
1
0
0
0
STOP
Ta=-40℃
Ta=25℃
Ta=85℃
Ta=-40℃
Ta=25℃
Ta=85℃
1
1
＊
Terminal
Fig.7 Input leak current I
2 A0, A1, A2= Don’t use: BR24S16-W
SUPPLY VOLTAGE : Vcc[V]
SUPPLYVOLTAGE : Vcc[V]
GND
Fig.4 'L' input voltage V
SDA
(A0,A1,A2,SCL,SDA,WP)
name
SCL
WP
Vcc
A0
A1
A2
2
(A0,A,A2,SCL,WP)
2
SPEC
ACK
19/32
3
Output
3
Input/
Output
Input /
Input
Input
Input
Input
Input
Data
register
-
-
8bit
4
4
SPEC
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.
IL
5
5
LI
BR24S16-W
Don't use
Don't use
Don't use
8
7
6
5
6
6
SDA
Vcc
WP
SCL
0.8
0.6
0.4
0.2
1.2
0.8
0.6
0.4
0.2
1
0
1
0
Function
0
0
SPEC
Fig.5 'L' output voltage V
Fig.8 Output leak current I
1
BR24S32/64/128/256-W
Ta=-40℃
Ta=25℃
Ta=85℃
Ta=-40℃
Ta=25℃
Ta=85℃
Slave address setting
Slave address setting
Slave address setting
1
L OUTPUT CURRENT : I
SUPPLY VOLTAGE : Vcc[V]
2
2
3
4
3
SPEC
5
4
OL
OL
[mA]
-I
6
LO
OL
(SDA)
(Vcc=1.7V)
5
7
8
6