BU9833GUL-W ROHM Co. Ltd., BU9833GUL-W Datasheet - Page 4

• Manufacturer Part Number: BU9833GUL-W
• Description: 256?8 Bit Electrically Erasable Prom
• Manufacturer: ROHM Co. Ltd.

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