BR24L01AF-WE2 Rohm Semiconductor, BR24L01AF-WE2 Datasheet - Page 19
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BR24L01AF-WE2
Manufacturer Part Number
BR24L01AF-WE2
Description
IC EEPROM 1KBIT 400KHZ 8SOP
Manufacturer
Rohm Semiconductor
Specifications of BR24L01AF-WE2
Memory Size
1K (128 x 8)
Format - Memory
EEPROMs - Serial
Memory Type
EEPROM
Speed
400kHz
Interface
I²C, 2-Wire Serial
Voltage - Supply
1.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
8-SOP
Clock Frequency
400kHz
Supply Voltage Range
1.8V To 5.5V
Memory Case Style
SOP
No. Of Pins
8
Operating Temperature Range
-40°C To +85°C
Svhc
No SVHC (18-Jun-2010)
Package /
RoHS Compliant
Memory Configuration
128 X 8
Interface Type
I2C, Serial
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
BR24L01AF-WE2TR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
BR24L01AF-WE2
Manufacturer:
ROHM Semiconductor
Quantity:
1 835
Company:
Part Number:
BR24L01AF-WE2
Manufacturer:
ROHM
Quantity:
21 523
Part Number:
BR24L01AF-WE2
Manufacturer:
ROHM/罗姆
Quantity:
20 000
●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