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BU99901GUZ-W (32Kbit)
● Block Diagram
12bit
32Kbit EEPROM array
8bit
Vcc
Datasheet
Adddress
decoder
12bit
Slave - word
address register
Data
register
WP
START
STOP
TEST
Control circuit
ACK
SCL
GND
High voltage
generating circuit
Power source
voltage detection
SDA
TEST terminal, please connect GND
● Pin Configuration
(BOTTOM VIEW)
B
A
B1
TEST
A1
SDA
1
B2
GND
A2
SCL
2
B3
V CC
A3
WP
3
● Pin Descriptions
Land No.
B3
B2
B1
A3
A2
A1
Terminal name
V CC
GND
TEST
WP
SCL
SDA
Input / output
－
－
Input
Input
Input
Input /output
Unit
Power Supply
Reference voltage of all input / output
TEST terminal, Connect GND
Write protect terminal
Serial clock input
Slave and word address, Serial data input serial data output
www.rohm.com
? 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 ? 15 ? 001
4/23
TSZ02201-0R2R0G100280-1-2
4.SEP.2012 Rev.001
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