BU9844GUL-W_10 Datasheet, PDF (5/19 Pages) Rohm – WL-CSP EEPROM family I2C BUS

BU9844GUL-W
Technical Note
1
0.8
0.6
SPEC
0.4
Ta=85℃
Ta=25℃
0.2
Ta=-40℃
0
0
1
2
3
4
5
6
IOL1[mA]
Fig.7 L input voltage
VOL1-IOL1 (Vcc=2.5V)
2.5
SPEC
2
fSCL=400kHz
DATA=AAh
1.5
Ta=25℃
1
Ta=85℃
0.5
Ta=-40℃
0
0
1
2
3
4
5
6
Vcc[V]
Fig.10 Consumption current
at write action Icc1 (fSCL=400kHz)
10000
1000
100
Ta=85℃
SPEC
Ta=-40℃
Ta=25℃
10
1
0
1
2
3
4
5
6
Vcc[V]
Fig.13 SCL frequency
f_SCL
1
0.8
SPEC
0.6
Ta=85℃
0.4
Ta=25℃
0.2
Ta=-40℃
0
0
1
2
3
4
5
6
Vcc[V]
Fig.16 Start condition hold time
tHD:STA
200
SPEC
100
0 ^Ta=85℃
-100
Ta=-40℃
Ta=25℃
-200
0
1
2
3
4
5
6
Fig.19 Input ^Vd^cca^[Vt^]a setup time
tSU:DAT
1.2
SPEC
1
0.8
0.6
0.4
Ta=85℃
0.2
Ta=25℃
Ta=-40℃
0
0
1
2
3
4
5
6
Vcc[V]
Fig.8 Input leak current
ILI(A2,SCL, WP)
0.6
SPEC
0.5
fSCL=400kHz
0.4 DATA=AAh
0.3
Ta=25℃
Ta=85℃
0.2
0.1
Ta=-40℃
0
0
1
2
3
4
5
6
Vcc[V]
Fig.11 Consumption current
at write action Icc2 (fSCL=400kHz)
1
0.8
SPEC
0.6
0.4
Ta=85℃
Ta=25℃
0.2
Ta=-40℃
0
0
1
2
3
4
5
6
Vcc[V]
Fig.14 Data clock “H” time
tHIGH
1
0.8
SPEC
0.6
0.4
Ta=85℃
0.2
Ta=25 ℃
0
Ta=-40℃
-0.2
0
1
2
3
4
5
6
Vcc[V]
Fig.17 Start condition setup time
tSU:STA
1
SPEC
0.8
Ta=85 ℃
0.6
Ta=25℃
0.4
Ta=-40℃
0.2
SPEC
0
0
1
2
3
4
5
6
Fig.20 Outp^Vu^ct^c[Vd^]ata delay time
tPD0
1.2
SPEC
1
0.8
0.6
0.4
Ta=85℃
0.2
Ta=25℃
Ta=-40℃
0
0
1
2
3
4
5
6
Vcc[V]
Fig.9 Output leak current
ILO (SDA)
2.5
SPEC
2
1.5
1
Ta=85℃
0.5
Ta=25℃
Ta=-40℃
0
0
1
2
3
4
5
6
Vcc[V]
Fig.12 Standby current
I_SB
1.6
SPEC
1.2
0.8
Ta=85℃
Ta=25℃
Ta=-40℃
0.4
0
0
1
2
3
4
5
6
Vcc[V]
Fig.15 Data clock “L” time
tLOW
50
SPEC
0
-50
-100
Ta=25℃
Ta=85℃
Ta=-40℃
-150
-200
0
1
2
3
4
5
6
Vcc[V]
Fig.18 Input data hold time
tHD:DAT
1
0.8
SPEC
0.6
Ta=85℃
Ta=25℃
0.4
Ta=-40℃
0.2
SPEC
0
0
1
2
3
4
5
6
Fig.21 Outp^Vu^cct^[Vd^] ata delay time
tPD1
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5/18
2010.09 - Rev.A