BU9890GUL-W Datasheet, PDF (5/14 Pages) Rohm – Silicon Monolithic Integrated Circuit

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◇PIN CONFIGURATION
B
○ ○ ○ ^B1
B2
B3
TEST GND VDD
A
○ ○ ^{○ A1}
A2
A3
SDA SCL
WP
1 23
◇PIN NAME
Land No.
B3
B2
B1
A3
A2
A1
PIN NAME
Vcc
GND
TEST
WP
SCL
SDA
I/O
-
-
IN
IN
IN
IN/OUT
FUNCTIONS
Power Supply
Ground （0V）
TEST Pin Connect with GND
Write Protect Input
Serial Clock Input
Slave and Word Address,
Serial Data Input, Serial Data Output
REV. A