BR24G04-3 Datasheet, PDF (4/36 Pages) Rohm – Serial EEPROM Series Standard EEPROM I2C BUS EEPROM (2-Wire)

BR24G04-3
Block Diagram
A0 1
A1 2
14KKbbit~it25E6EKPbiRt _{OEEMPRaOrrMayarray}
8bit
Address
Decoder
Word Address
9bit
Register
Data
Register
A2 3
GND 4
START
Control circuit
STOP
ACK
High Voltage
Generating Circuit
Power Source
Voltage Detection
8 VCC
7 WP
6 SCL
5 SDA
Figure 3. Block Diagram
Datasheet
Pin Configuration
(TOP VIEW)
A0
1
A1
2
A2
3
BR24G04-3
GND 4
8 VCC
7 WP
6 SCL
5 SDA
Pin Descriptions
Terminal
Name
A0
Input/
Output
-
Don’t use⁽¹⁾
Descriptions
A1
Input Slave address setting
A2
Input Slave address setting
GND
SDA
SCL
-
Input/
output
Input
Reference voltage of all input / output, 0V
Serial data input serial data output
Serial clock input
WP
Input Write protect terminal
VCC
-
Connect the power source.
(1)Pins not used as device address may be set to any of ‘H’, 'L', and 'Hi-Z'.
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TSZ02201-0R2R0G100180-1-2
25.Feb.2013 Rev.002