BR24L04F-W Rohm, BR24L04F-W Datasheet - Page 4

• Manufacturer Part Number: BR24L04F-W
• Description: 5128 bit electrically erasable PROM
• Manufacturer: Rohm

Memory ICs
1 An open drain output requires a pull-up resistor.
Block diagram
Pin configuration
Pin name
Pin name
A1, A2
GND
SDA
SCL
V
WP
A0
CC
GND
A0
A1
A2
IN / OUT
I / O
IN
IN
IN
1
2
3
4
High voltage generator
Power supply
Ground (0V)
Out of use
Slave address set
Serial clock input
Slave and word address,
serial data input, serial data output
Write protect input
Address
decoder
9bit
Control logic
BR24L04-W / BR24L04F-W / BR24L04FJ-W
Function
9bits
START
V
A0
8
1
CC
Fig.2 BLOCK DIAGRAM
Fig.3 PIN LAYOUT
BR24L04-W
BR24L04F-W
BR24L04FJ-W
BR24L04FV-W
BR24L04FVM-W
4kbit EEPROM array
WP
A1
address register
7
2
Slave word
STOP
Vcc level detect
BR24L04FV-W / BR24L04FVM-W
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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