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