BR24T1MFJ-WTR_ 查看數據表（PDF） - ROHM Semiconductor
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BR24T1MFJ-WTR_ Datasheet PDF : 22 Pages
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BR24T□□□□Series
Technical Note
●Characteristic data (The following values are Typ. ones.)
2.5
SPEC
2
1.5 Ta=-40℃
Ta=25℃
1 Ta=85℃
0.5
0
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc(V)
Fig.9 Current consumption at WRITE operation ICC1
(fscl=400kHz BR24T01/02/04/08/16/32/64-W)
0.6
SPEC
0.5
0.4
Ta=-40℃
0.3 Ta=25℃
Ta=85℃
0.2
0.1
0
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc(V)
Fig.12 Current consumption at READ operation ICC2
(fscl=400kHz BR24T01/02/04/08/16/32/64/128/256-W)
2.5
2 The plan for
inserting data.
1.5
(BR24T512/1M-W)
1
0.5
3.5
3
SPEC
2.5
2
Ta=-40℃
1.5 Ta=25℃
Ta=85℃
1
0.5
0
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc(V)
Fig.10 Current consumption at WRITE operation Icc1
(fscl=400kHz BR24T128/256-W)
0.6
0.5 The plan for
0.4 inserting data.
0.3 (BR24T512/1M-W)
0.2
0.1
0
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc(V)
Fig.13 Current consumption at READ operation ICC2
(fscl=400kHz BR24T512/1M-W)
10000
1000
100
10
Ta=-40℃
Ta=25℃
Ta=85℃
1
SPEC
0
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc(V)
Fig.15 Stanby operation ISB
(fscl=400kHz BR24T512/1M-W)
1.5
SPEC
1.2
0.9 Ta=-40℃
Ta=25℃
0.6 Ta=85℃
0.3
0
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc（V）
Fig.18 Data clock Low Period tLOW
0.1
0
1
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc(V)
Fig.16 SCL frequency fSCL
0.8
SPEC
0.6
Ta=-40℃
0.4
Ta=25℃
Ta=85℃
0.2
0
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc(V)
Fig.19 Start Condition Hold Time tHD : STA
6
5
The plan for
4
inserting data.
3 (BR24T512/1M-W)
2
1
0
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc(V)
Fig.11 Current consumption at WRITE operation Icc1
(fscl=400kHz BR24T512/1M-W)
2.5
SPEC
2
1.5
Ta=-40℃
Ta=25℃
1
Ta=85℃
0.5
0
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc(V)
Fig.14 Stanby operation ISB
(fscl=400kHz BR24T01/02/04/08/16/32/64/128/256-W)
1
0.8
SPEC
0.6
Ta=-40℃
Ta=25℃
0.4 Ta=85℃
0.2
0
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc(V)
Fig.17 Data clock High Period tHIGH
1.1
0.9
0.7
SPEC
0.5
Ta=-40℃
0.3
Ta=25℃
Ta=85℃
0.1
-0.1
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc(V)
Fig.20 Start Condition Setup Time tSU : STA
50
SPEC
0
-50
-100 Ta=-40℃
Ta=25℃
-150 Ta=85℃
-200
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc(V)
Fig.21 Input Data Hold Time tHD : DAT（HIGH）
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© 2011 ROHM Co., Ltd. All rights reserved.
50
SPEC
0
-50
Ta=-40℃
-100
Ta=25℃
Ta=85℃
-150
-200
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc(V)
Fig.22 Input Data Hold Time ｔHD : DAT(LOW）
5/21
300
200
SPEC
100
0
Ta=-40℃
Ta=25℃
-100
Ta=85℃
-200
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc(V)
Fig.23 Input Data Setup Time ｔSU: DAT(HIGH)
2011.03 - Rev.A
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