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BR34E02FVT-W, BR34E02NUX-W
Technical Note
3.5
0.6
2.5
3
2.5
2
SPEC1
ｆ SCL=400kHz(V CC ≧ 2.5V)
fSCL=100kHz(1.7V ≦ Vcc ＜２．５ V)
DATA=AA
0.5
0.4
0.3
SPEC
fSCL=100kHz
DATA=AAh
2
1.5
SPEC
Ta=25 ℃
Ta=25 ℃
1.5
SPEC2
1
Ta=85 ℃
0.5 Ta=-40 ℃
0
0 1 2 3
VCC[V]
Fig.10 Write Operating Current
4
ICC1,2
Ta=85 ℃
0.2
0.1
Ta=40 ℃
0
0 1 2 3 4
VCC[V]
Fig.11 Read Operating Current ICC3
1
0.5
0
Ta=85 ℃
Ta=25 ℃
Ta=-40 ℃
0 1 2 3 4
VCC[V]
Fig.12 Standby Current ISB
(fSCL=100kHz,400kHz)
(fSCL=400kHz)
10000
5
5
Ta=25 ℃
Ta=85 ℃
Ta=-40 ℃
4
SPEC2
4
SPEC2
1000
SPEC1
3
3
100
SPEC2
2
SPEC1:FAST-MODE
SPEC2:STANDARD-MODE
2
SPEC1:FAST-MODE
SPEC2:STANDARD-MODE
Ta=85 ℃
10
SPEC1:FAST-MODE
1
Ta=-40 ℃
Ta=25 ℃
Ta=85 ℃
SPEC1
1
SPEC1
Ta=25 ℃
Ta=-40 ℃
SPEC2:STANDARD-MODE
1
0
0
0
1
2
3
4
0
1
2
3
4
0
1
2
3
4
VCC[V]
Fig.13 Clock Frequency fSCL
5
SPEC2
4
VCC[V]
Fig.14 Data Clock High Period tHigh
5
SPEC2
4
VCC[V]
Fig.15 Data Clock Low Period tLow
50
SPEC1,2
0
3
SPEC1:FAST-MODE
SPEC2:STANDARD-MODE
3
SPEC1:FAST-MODE
SPEC2:STANDARD-MODE
-50
=85 ℃
Ta=25 ℃
Ta=-40 ℃
2
1
SPEC1
Ta=-40 ℃
Ta=25 ℃
Ta=85 ℃
2
1
SPEC1
Ta=-40 ℃
Ta=25 ℃
Ta=85 ℃
-100
-150
SPEC1:FAST-MODE
SPEC2:STANDARD-MODE
0
0
0
1
2
3
4
0
1
2
3
4
-200
VCC[V]
VCC[V]
0
1
2
3
4
VCC[V]
50
Fig.16 Start Condition Hold Time
tHD:STA
Fig.17 Start Condition Setup Time
tSU:STA
300
300
FiagmDag.18 ck Di Ta rata
HoldimtHD:DAT(High)
0
SPEC1,2
200
SPEC2
200
SPEC2
SPEC1:FAST-MODE
SPEC1
Ta=85 ℃
-50
SPEC2:STANDARD-MODE
100
SPEC1
100
-100
0
Ta=25 ℃
Ta=-40 ℃
0
Ta=85 ℃
-150
Ta=85 ℃
Ta=25 ℃
Ta=-40 ℃
-100
SPEC1:FAST-MODE
SPEC2:STANDARD-MODE
-100
Ta=25 ℃
SPEC1:FAST-MODE
SPEC2:STANDARD-MODE
Ta=-40 ℃
-200
0
1
2
3
4
-200
0
1
2
3
4
-200
0
1
2
3
4
VCC[V]
Fig.19 Data Hold Time
tHD:DAT(LOW)
www.rohm.com
? 2009 ROHM Co., Ltd. All rights reserved.
VCC[V]
Fig.20 Input Data Setup Time
tSU:DAT(HIGH)
5/18
VCC[V]
Fig.21 Input Data Setup Time
tSU:DAT(LOW)
2009.09 - Rev.B
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