BU9833GUL-W Datasheet, PDF (4/13 Pages) Rohm – Silicon Monolithic Integrated Circuit

VCC
GND
A2
8bit
ADDRESS
DECODER
2 Kbit EEPROM ARRAY
SLAVE・WORD
8bit ADDRESS REGISTER
8bit
DATA
REGISTER
START
STOP
CONTOROL LOGIC
ACK
HIGH VOLTAGE GEN.
VCC LEVEL DETECT
WP
SCL
SDA
4/12
◇PIN CONFIGURATION
Fig.-2 BLOCK DIAGRAM
○ ○ ^C
C1
C2
○ ○ ^B
B1
B2
○ ○ ^A
A1
A2
12
Fig.-3 BU9833GUL－Ｗ（bottom view）
INDEX POST
◇PIN NAME
Land No. PIN NAME
I/O
FUNCTIONS
C2
VＣＣ
-
Power Supply
C1
A2
IN
Slave Address Set
B2
WP
IN
Write Protect Input
B1
GND
-
Ground （0V）
A2
SCL
IN
Serial Clock Input
Slave and Word Address,
A1
SDA
IN/OUT
Serial Data Input, Serial Data Output *1
*1 An open drain output requires a pull-up resister.
◇AC OPERATING CHARACTERISTICS (Unless otherwise specified Ta=-40～85℃､VCC=1.7～5.5V)
REV. A