BU9891GUL-W Datasheet, PDF (5/18 Pages) Rohm – WL-CSP EEPROM family Microwire Bus

BU9891GUL-W
● BU9891GUL-W Characteristic data (The following characteristic data are Typ. values.)
Technical Note
5
fSK=500kHz
4 ^DATA=0000h
3
Ta=-40℃
Ta=25℃
2 _Ta=85℃
1
SPEC
0
0
1
2
3
4
5
6
VCC[V]
Fig.14　Current consumption at WRITE
action
100
10
1
SPEC
Ta=-40℃
0.1 Ta=25℃
Ta=85℃
SPEC
0.01
0
1
2
3
4
5
6
VCC[V]
Fig.17　SK frequency fSK
1.2
Ta=-40℃
1
Ta=25℃
SPEC
Ta=85℃
0.8
0.6
0.4
SPEC
0.2
0
0
1
2
3
4
5
6
VCC[V]
Fig.20　CS low time tCS
150
100
SPEC
50
Ta=-40℃
0 Ta=25℃
Ta=85℃
-50
0
1
2
3
4
5
6
VCC[V]
Fig.23　DI hold time tDIH
2.5
fSK=500kHz
2 _DATA=0000h
1.5
Ta=-40℃
Ta=25℃
1 _Ta=85℃
0.5
SPEC
0
0
1
2
3
4
5
6
VCC[V]
Fig.15　Consumption current at READ action
ICC2 (READ, fSK=500kHz)
1
SPEC
0.8
Ta=-40℃
0.6
Ta=25℃
Ta=85℃
0.4
SPEC
0.2
0
0
1
2
3
4
5
6
VCC[V]
Fig.18　SK high time tSKH
50
0
Ta=-40℃
Ta=25℃
-50
Ta=85℃
-100
SPEC
-150
-200
0
1
2
3
4
5
6
VCC[V]
Fig.21　CS hold time tCSH
150
100
Ta=-40℃
Ta=25℃
50 ^Ta=85℃
0
SPEC
-50
0
1
2
3
4
5
6
VCC[V]
Fig.24　DI setup time tDIS
2.5
SPEC
2
Ta=-40℃
Ta=25℃
1.5 _Ta=85℃
1
0.5
0
0
1
2
3
4
5
6
VCC[V]
Fig.16　Consumption current at standby
action ISB
1
SPEC
0.8
Ta=-40℃
0.6 Ta=25℃
Ta=85℃
0.4
SPEC
0.2
0
0
1
2
3
4
5
6
VCC[V]
Fig.19　SK low time tSKL
300
200
Ta=-40℃
100
Ta=25℃
Ta=85℃
0
SPEC
-100
-200
0
1
2
3
4
5
6
VCC[V]
Fig.22　CS setup time tCSS
1
Ta=-40℃
0.8
Ta=25℃
Ta=85℃
0.6
SPEC
0.4
SPEC
0.2
0
0
1
2
3
4
5
6
VCC[V]
Fig.25　Data “0” output delay time tPD0
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2010.07 - Rev.A