BU9889GUL-W Datasheet, PDF (6/18 Pages) Rohm – WL-CSP EEPROM family I2C BUS

BU9889GUL-W
●Characteristic data (The following values are Typ. ones.)
6
SPEC
5
4
3
2
Ta=-40℃
1
Ta=25℃
Ta=85℃
0
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc(V)
Fig.24 Internal writing cycle time　ｔ_WR
0.6
Ta=-40℃
0.5
Ta=25℃
Ta=85℃
0.4
0.3
0.2
SPEC
0.1
0
0
2
4
6
SUPPLY VOLATGE : Vcc(V)
Fig.27　Noise resuction efecctive time　ｔ_ｌ（SDA
H）
1.2
SPEC
1
0.8
0.6
0.4
Ta=-40℃
Ta=25℃
0.2
Ta=85℃
0
0
1
2
3
4
5
6
SUPPLYVOLTAGE : Vcc(V)
Fig.30 WP efective time t_{HIGH : WP}
1
SPEC
0.8
Ta=-40℃
0.6 _Ta=25℃
Ta=85℃
0.4
0.2
0
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc(V)
Fig.25 Noise reduction efection time t_l（SCL
）
0.6
0.5
0.4
0.3
Ta=-40℃
Ta=25℃
0.2
Ta=85℃
0.1
SPEC
0
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc(V)
Fig.28 Noise reduction efective time t_l（SDA L）
Technical Note
0.6
Ta=-40℃
0.5 _Ta=25℃
Ta=85℃
0.4
0.3
0.2
SPEC
0.1
0
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc(V)
Fig.26　Noise reduction efective time　t_l（SCL
L）
0.2
SPEC
0.1
0
-0.1
Ta=-40℃
-0.2
Ta=25℃
Ta=85℃
-0.3
-0.4
-0.5
-0.6
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc(V)
Fig.29 WP setup time t_{SU : WP}
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2010.01 - Rev.A