BR24G256-3 Datasheet, PDF (4/33 Pages) Rohm – Serial EEPROM Series Standard EEPROM

BR24G256-3
Block Diagram
A0 1
A1 2
256Kbit EEPROM Array
Address
Decoder ^15bit
Word
Address Register
8bit
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
Pin Configuration
(TOP VIEW)
A0
1
A1
2
A2
3
BR24G256-3
GND 4
8 VCC
7 WP
6 SCL
5 SDA
Pin Descriptions
Terminal Input/
Name Output
A0
Input
A1
Input
A2
Input
GND
SDA
-
Input/
Output
SCL Input
WP
Input
VCC
-
Descriptions
Slave address setting
Slave address setting
Slave address setting
Reference voltage of all input / output, 0V
Serial data input serial data output
Serial clock input
Write protect terminal
Connect the power source.
Datasheet
www.rohm.com
©2013 ROHM Co., Ltd. All rights reserved.
TSZ22111ï½¥15ï½¥001
4/30
TSZ02201-0R2R0G100240-1-2
25.Feb.2013 Rev.002