BU99901GUZ-W_12 Datasheet, PDF (4/26 Pages) Rohm – Serial EEPROM Series Standard EEPROM WLCSP EEPROM

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