Rainbow Electronics BR24L04FVM-W User Manual
Page 4

BR24L04-W / BR24L04F-W / BR24L04FJ-W
Memory ICs
BR24L04FV-W / BR24L04FVM-W
4/25
zBlock diagram
1
A0
A1
2
A2
3
GND
4
V
CC
8
WP
7
6
SCL
SDA
5
4kbit EEPROM array
Control logic
High voltage generator
Vcc level detect
9bit
8bit
ACK
STOP
START
Address
decoder
Slave word
address register
9bits
Data
register
Fig.2 BLOCK DIAGRAM
zPin configuration
BR24L04-W
BR24L04F-W
BR24L04FJ-W
BR24L04FV-W
BR24L04FVM-W
V
CC
A0
WP
A1
SCL
A2
SDA
GND
1
2
3
4
5
6
7
8
Fig.3 PIN LAYOUT
zPin name
Write protect input
Power supply
Function
Ground (0V)
Slave address set
Serial clock input
SDA
V
CC
A1, A2
Pin name
GND
WP
SCL
I / O
−
−
IN
Out of use
A0
−
IN
IN
IN / OUT
Slave and word address,
serial data input, serial data output
∗
1 An open drain output requires a pull-up resistor.
∗
1
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