BU9889GUL-W Rohm, BU9889GUL-W Datasheet - Page 4

• Manufacturer Part Number: BU9889GUL-W
• Description: WL-CSP EEPROM family I2C BUS
• Manufacturer: Rohm

●Block diagram
●Pin assignment and description
●Characteristic data (The following values are Typ. ones.)
© 2010 ROHM Co., Ltd. All rights reserved.
BU9889GUL-W
www.rohm.com
A
B
0.8
0.6
0.4
0.2
Fig.6
6
5
4
3
2
1
0
1
0
Fig.6 'L' output voltage V
0
0
Ta=-40℃
Ta=25℃
Ta=85℃
Fig.3 'H' input voltage V
'L' output voltage V
Ta=-40℃
Ta=25℃
Ta=85℃
Fig.3
1
1
BU9889GUL-W (BOTTOM VIEW)
L OUTPUT CURRENT : I
SUPPLY VOLTAGE : Vcc(V)
○
○
(A2,SCL,SDA,WP)
SDA
SCL
A2
1
B1
A1
(A2,SCL,SDA,WP)
'H' input voltage V
2
2
SPEC
3
3
SPEC
○
OL
○
OL
GND
-I
B2
A2
-I
WP
OL
2
4
OL
4
OL
(Vcc=2.5V)
(Vcc=2.5V)
IH
(mA)
IH
HIGH VOLTAGE GEN.
5
5
○
DECODER
○
ADDRESS
A3
VCC
B3
A2
3
10bit
6
6
CONTROL LOGIC
10bit
START
1.2
0.8
0.6
0.4
0.2
1
0
6
5
4
3
2
1
0
8Kｂｉｔ ＥＥＰＲＯＭ ARRAY
0
0
Ta=-40℃
Ta=25℃
Ta=85℃
Fig.2 Block diagram
Ta=-40℃
Ta=25℃
Ta=85℃
SLAVE、WORD
Vcc LEVEL DETECT
Terminal
ADDRESS REGISTER
1
1
name
GND
Fig.7
SDA
SCL
Fig.4 'L' input voltage V
SUPPLYVOLTAGE : Vcc(V)
WP
Vcc
SUPPLY VOLTAGE : Vcc(V)
A2
Fig.4 'L' input voltage V
Fig.7 Input leak current I
STOP
2
2
(A2,SCL,SDA,WP)
(A2,SCL,WP)
SPEC
Input leak current I
(A2,SCL,WP)
(A2,SCL,SDA,WP)
4/17
3
3
Output
Output
Input /
Input/
Input
Input
Input
4
4
-
-
SPEC
LI
5
5
IL
ACK
IL
LI
Reference voltage of all input / output, 0V.
Slave and word address,
Serial data input serial data output
Connect the power source.
Slave address setting
Serial clock input
Write protect terminal
6
6
DATA
REGISTER
8bit
0.8
0.6
0.4
0.2
1.2
0.8
0.6
0.4
0.2
1
0
1
0
GND
0
SPEC
0
Vcc
Vcc
Function
Fig.5 'L' output voltage V
I (V
1
Fig.8
Ta=-40℃
Ta=25℃
Ta=85℃
Ta=-40℃
Ta=25℃
Ta=85℃
Fig.5 'L' output voltage V
L OUTPUT CURRENT : I
1
Fig.8 Output leak current
I (SDA)
SUPPLY VOLTAGE : Vcc(V)
2
WP
SCL
SDA
1 7V)
(Vcc=1.7V)
Output leak current I
2
3
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4
3
2010.01 - Rev.A
Technical Note
SPEC
5
4
OL
OL
(mA)
6
-
OL
LO
- I
5
(SDA)
OL
7
8
6