BU9890GUL-W ROHM Co. Ltd., BU9890GUL-W Datasheet - Page 5

• Manufacturer Part Number: BU9890GUL-W
• Description: 4k?8 Bit Electrically Erasable Prom
• Manufacturer: ROHM Co. Ltd.

◇PIN CONFIGURATION
◇PIN NAME
Land No.
B3
B2
B1
A3
A2
A1
PIN NAME
A
B
TEST
GND
SDA
SCL
Vcc
WP
○
○
TEST
SDA
B1
1
A1
○
○
IN/OUT
GND
SCL
B2
A2
2
I/O
IN
IN
IN
-
-
REV. A
○
○
VDD
A3
3
B3
WP
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
FUNCTIONS
5/13