BU99901GUZ-W_10 Datasheet, PDF (6/17 Pages) Rohm – WL-CSP EEPROM family I2C BUS

BU99901GUZ-W
●Characteristic data (The following values are Typ. ones.)
4
Ta=-40℃
3 Ta=25℃
Ta=85℃
2
SPEC
1
0
0
1
2
3
4
5
6
Vcc(V)
Fig.25 Data output delay time ｔPD1
1
SPEC
0.8
Ta=-40℃
0.6 _Ta=25℃
Ta=85℃
0.4
0.2
0
0
1
2
3
4
5
6
Vcc(V)
Fig.28 Noise reduction efection time tI（SCL H）
5
4
Ta=-40℃
3
Ta=25℃
Ta=85℃
2
SPEC
1
0
0
1
2
3
4
5
6
Vcc(V)
Fig.26 BUS open time before transmission　ｔBUF
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
Vcc(V)
Fig.29　Noise reduction efection time　tI（SCL L）
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
Vcc(V)
Fig.31 Noise reduction efection time tI（SDA L）
0.2
SPEC
0.1
0
Ta=-40℃
-0.1
Ta=25℃
-0.2
Ta=85℃
-0.3
-0.4
-0.5
-0.6
0
1
2
3
4
5
6
Vcc(V)
Fig.32 WP setup time tSU : WP
Technical Note
6
SPEC
5
4
3
2
Ta=-40℃
1
Ta=25℃
Ta=85℃
0
0
1
2
3
4
5
6
Vcc(V)
Fig.27 Internal writing cycle time　ｔWR
0.6
Ta=-40℃
0.5
Ta=25℃
Ta=85℃
0.4
0.3
0.2
SPEC
0.1
0
0
2
4
6
Vcc(V)
Fig.30　Noise reduction efection time　ｔI（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
Vcc(V)
Fig.33 WP efective time tHIGH : WP
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2010.09 - Rev.A