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4.2
BR24C01AFV-W-X (IC1502) : EEPROM
• Pin layout
Vcc
WP
A0
A1
• Block diagram
A0
1
A1
2
A2
3
GND
4
• Pin function
Pin name
I/O
Vcc
-
GND
-
A0,A1,A2
IN
SCL
IN
SDA
IN / OUT
WP
IN
*1 An open drain output requires a pull-up resister.
SCL
SDA
A2
GND
1kbit EEPROM ARRAY
7bit
SLAVE/WORD
ADDRESS
7bit
DECODER
ADDRESS REGISTER
START
CONTROL LOGIC
HIGH VOLTAGE GEN.
Vcc LEVEL DETECT
Power supply
Ground (0v)
Slave address set
Serial clock input
Slave and word addressserial data input serial data output *1
Write protect input
8bit
DATA
REGISTER
STOP
ACK
Description
8
Vcc
7
WP
6
SCL
5
SDA
(No.49793)1-33
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