Technical Note
BU9897GUL-W
●Characteristic data (The following values are Typ. ones.)
2.5
3.5
0.6
0.5
0.4
0.3
0.2
0.1
0
2.5
2
SPEC
SPEC
SPEC
3
SPEC
2
2.5
1.5
1.5
1
2
Ta=-40℃
Ta=25℃
Ta=85℃
Ta=-40℃
Ta=-40℃
1.5
1
Ta=25℃
Ta=25℃
Ta=-40℃
Ta=25℃
Ta=85℃
Ta=85T℃a=85℃
1
0.5
0.5
0.5
0
0
0
0
1
2
3
4
5
6
6
0
1
2
3
SUPPLY VOLTAGE : Vcc(V)
4
5
0
1
2
3
4
5
6
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc(V)
SUPPLY VOLTAGE : Vcc(V)
SUPPLY VOLTAGE : Vcc(V)
Fig.10 Current consumption at WRITE operation ICC
(fscl=400kHz)
1
Fig.11 Current consumption at READ operation ICC
(fscl=400kHz)
2
Fig.12ꢀStanby operation ISB
10000
1000
5
5
4
3
2
1
0
SPEC
SPEC
4
SPEC
3
100
Ta=-40℃
Ta=25℃
Ta=85℃
Ta=-40℃
Ta=25℃
Ta=85℃
Ta=-40℃
Ta=25℃
Ta=85℃
2
10
1
1
0
0.1
0
1
2
3
4
5
6
0
1
2
3
4
5
6
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc(V)
SUPPLY VOLTAGE : Vcc(V)
SUPPLY VOLTAGE : Vcc(V)
Fig.13ꢀSCL frequency fSCL
Fig.14 Data clock High Period tHIGH
Fig.15 Data clock Low PeriodꢀtLOW
5
4
3
2
1
0
50
5.9
4.9
SPEC
SPEC
0
-50
3.9
Ta=-40℃
Ta=25℃
Ta=85℃
2.9
Ta=-40℃
Ta=25℃
Ta=85℃
SPEC
Ta=-40℃
Ta=25℃
Ta=85℃
-100
-150
-200
1.9
0.9
-0.1
0
1
2
3
4
5
6
0
1
2
3
4
SUPPLY VOLTAGE : Vcc(V)
5
6
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc(V)
SUPPLY VOLTAGE : Vcc(V)
Fig.16 Start Condition Hold Time tHD : STA
Fig.18ꢀInput Data Hold Time tHD : DAT(HIGH)
Fig.17ꢀStart Condition Setup TimeꢀtSU : STA
300
200
50
300
200
SPEC
0
SPEC
SPEC
100
-50
-100
-150
-200
100
0
0
Ta=-40℃
Ta=25℃
Ta=85℃
Ta=-40℃
Ta=25℃
Ta=85℃
Ta=-40℃
Ta=25℃
Ta=85℃
-100
-100
-200
-200
0
1
2
3
4
5
6
0
1
2
3
4
5
6
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc(V)
SUPPLY VOLTAGE : Vcc(V)
SUPPLY VOLTAGE : Vcc(V)
Fig.21ꢀInput Data setup time tSU : DAT(LOW)
Fig.19ꢀInput Data Hold Time tHD : DAT(LOW)
Fig.20ꢀInput Data Setup Time tSU: DAT(HIGH)
5
4
4
Ta=-40℃
Ta=25℃
Ta=85℃
Ta=-40℃
Ta=25℃
Ta=85℃
Ta=-40℃
4
3
3
Ta=25℃
Ta=85℃
3
SPEC
SPEC
2
2
2
SPEC
1
0
1
0
1
0
0
1
2
3
4
5
6
0
1
2
3
4
5
6
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc(V)
SUPPLY VOLTAGE : Vcc(V)
SUPPLY VOLTAGE : Vcc(V)
Fig.24 BUS open time before transmissionꢀtBUF
Fig.22ꢀ'L' Data output delay time tPD
0
Fig.23 'H' Data output delay time tPD
1
www.rohm.com
© 2011 ROHM Co., Ltd. All rights reserved.
2011.10 - Rev.A
5/16