BR24L01 Rohm, BR24L01 Datasheet - Page 4

• Manufacturer Part Number: BR24L01
• Description: 1288 bit electrically erasable PROM
• Manufacturer: Rohm

Memory ICs
1 An open drain output requires a pull-up resistor.
Block diagram
Pin configuration
Pin name
A0, A1, A2
Pin name
GND
SCL
SDA
V
WP
CC
GND
A0
A1
A2
IN / OUT
I / O
IN
IN
IN
1
2
3
4
High voltage generator
Power supply
Ground (0V)
Slave address set
Serial clock input
Slave and word address,
serial data input, serial data output
Write protect input
Address
decoder
BR24L01A-W / BR24L01AF-W / BR24L01AFJ-W /
7bit
Control logic
Function
7bits
START
V
A0
8
1
CC
Fig.2 BLOCK DIAGRAM
BR24L01A-W
BR24L01AF-W
BR24L01AFJ-W
BR24L01AFV-W
BR24L01AFVM-W
Fig.3 PIN LAYOUT
1kbit EEPROM array
WP
A1
address register
7
2
BR24L01AFV-W / BR24L01AFVM-W
Slave word
STOP
Vcc level detect
SCL
A2
6
3
1
GND
SDA
5
4
ACK
Data
register
8bit
8
7
6
5
V
WP
SCL
SDA
CC
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