BR24T04-W
Block Diagram
A0 1
A1 2
14KKbbit~it2E5E6PKRbiOt EMEAPrRraOyM array
8bit
Address
Decoder
Word
9bit Address 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
BR24T04-W
GND 4
8 VCC
7 WP
6 SCL
5 SDA
Pin Descriptions
Terminal
Name
A0
A1
A2
GND
SDA
SCL
Input/
Output
-
Input
Input
-
Input/
Output
Input
Descriptions
Don’t use (1)
Slave address setting(2)
Slave address setting(2)
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'.
(2) A1 and A2 are not allowed to use as open.
www.rohm.com
©2013 ROHM Co., Ltd. All rights reserved.
TSZ22111 • 15 • 001
4/33
TSZ02201-0R2R0G100080-1-2
11.Jun.2019 Rev.005