BU9833GUL-W (2Kbit)
● Block Diagram
V CC
2Kbit EEPROM array
Datasheet
GND
9bit
8bit
Address
decoder
9bit
Slave – word
address register
Data
register
WP
START
STOP
A2
Control circuit
ACK
SCL
High voltage
generating circuit
Power source
voltage detection
SDA
● Pin Configuration
(BOTTOM VIEW)
C
C1 C2
● Pin Descriptions
B
A
B1 B2
A1 A2
1
2
INDEX POST
Land No.
C2
C1
B2
B1
A2
A1
Terminal name
V CC
A2
WP
GND
SCL
SDA
Input/ Output
-
IN
IN
-
IN
IN/OUT
Function
Power Supply
Slave Address Set
Write Protect Input
Ground (0V)
Serial Clock Input
Slave and Word Address,
Serial Data Input, Serial Data Output *1
*1 An open drain output requires a pull-up resister.
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? 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 ? 15 ? 001
4/24
TSZ02201-0R2R0G100450-1-2
04.SEP.2012 Rev.001
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