BR24C01 ROHM Electronics, BR24C01 Datasheet - Page 2

• Manufacturer Part Number: BR24C01
• Manufacturer: ROHM Electronics

Memory ICs
! ! ! ! Recommended operating conditions (Ta = 25°C)
! ! ! ! Block diagram
BR24C01A-W / AF-W / AFJ-W / AFV-W
BR24C02-W / F-W / FJ-W / FV-W
BR24C04-W / F-W / FJ-W / FV-W
GND
GND
GND
A0
A1
A2
A0
A1
A2
A0
A1
A2
Power supply voltage
Input voltage
1
2
3
4
1
2
3
1
2
3
4
4
Parameter
HIGH VOLTAGE GEN.
HIGH VOLTAGE GEN.
HIGH VOLTAGE GEN.
ADDRESS
DECODER
ADDRESS
ADDRESS
DECODER
DECODER
7bits
8bits
9bits
BR24C01A-W / BR24C01AF-W / BR24C01AFJ-W / BR24C01AFV-W / BR24C02-W / BR24C02F-W /
CONTROL LOGIC
CONTROL LOGIC
CONTROL LOGIC
BR24C02FJ-W / BR24C02FV-W / BR24C04-W / BR24C04F-W / BR24C04FJ-W / BR24C04FV-W
7bits
8bits
9bits
START
START
START
1kbits EEPROM ARRAY
2kbits EEPROM ARRAY
4kbits EEPROM ARRAY
ADDRESS REGISTER
Symbol
ADDRESS REGISTER
ADDRESS REGISTER
V
V
SLAVE WORD
V
SLAVE WORD
SLAVE WORD
V
V
CC
CC
CC
CC
IN
LEVEL DETECT
LEVEL DETECT
LEVEL DETECT
STOP
STOP
STOP
·
·
·
ACK
ACK
ACK
2.7 ~ 5.5 (WRITE)
2.7 ~ 5.5 (READ)
REGISTER
REGISTER
REGISTER
DATA
DATA
DATA
8bits
8bits
8bits
Limits
0 ~ V
CC
8
7
6
5
8
7
6
5
8
7
6
5
V
WP
SCL
SDA
V
WP
SCL
SDA
V
WP
SCL
SDA
CC
CC
CC
Unit
V
V
V
! ! ! ! Pin descriptions
∗ An open drain output requires a pull-up resistor.
∗ An open drain output requires a pull-up resistor.
∗ An open drain output requires a pull-up resistor.
A0, A1, A2
A0, A1, A2
Pin name
Pin name
Pin name
A1, A2
GND
GND
GND
SCL
SDA
SCL
SDA
SCL
SDA
WP
V
WP
V
WP
V
A0
CC
CC
CC
Slave address setting pin
Serial data clock
Serial data input / output
Write protect pin
Power supply
Ground
Slave address setting pin
Serial data clock
Serial data input / output
Write protect pin
Power supply
Ground
N.C.
Slave address setting pin
Serial data clock
Serial data input / output
Write protect pin
Power supply
Ground
Function
Function
Function
∗
∗
∗