MITSUMI
System Reset (with battery back-up) MM1027, 1081
Electrical Characteristics
Item
CS sync current
CS output voltage L
--------------
-------------
--------------
-------------
(Except where noted otherwise, Ta=25°C, V
CC
=5V, V
BAT
=3V)
Symbol
I
CSL
V
CSL
I
CSL
--------------------------------
----------------------------------
-------------------------
Measurement conditions
V
CC
=3.5, V
CS
=0.4V Current measured
V
CC
=5V, I
CS
=3µA
V
CC
=4V, V
OUT
-V
CSH
, I
CS
=-3µA
V
CC
=5V, V
CS
=0.4V Current measured
Minimum power supply voltage at which
CS pin can hold low level V
CS
< 0.4V
=
V
CC
=L
V
CC
=H
V
CC
=L
V
CC
=H
H, TC : OPEN, C1=47pF
L, TC : OPEN, C1=47pF
H, TC : 1nF, C1=47pF
L, TC : 1nF, C1=47pF
L (to V
CC
)
H(to V
CC
)
L (to V
CC
)
H (to V
CC
)
Min. Typ. Max. Units
0.5
-
-
0.3
-
-
-
-
-
2.0
-
mA
V
V
mA
V
µS
µS
mS
µS
V
V
V
V
V
mA
µA
V
V
V
mA
V
V
%/
°
C
µA
µA
µA
0.10 0.25
0.14 0.40
1.0
2.0
30
2.0
0.8
2.0
-
2.4
-
5
-
10
CS output voltage H
--------------
-------------
V
CSH
CS sync current
--------------
-------------
CS CS
circuit Operation limit voltage L
unit
ON delay time 1
•
V
OPL
t
PLH
1
t
PHL
1
t
PLH
2
t
PHL
2
OFF delay time 1
ON delay time 2
OFF delay time 2
BATT
MM1027X
detection voltage 1 MM1081N
BATT hysteresis voltage 1
BD
BATT
MM1027X
VBD1
VBD1
VBD2
VBD2
VBDL
IBDSNK
IBDH
V
CC
=5V, R1=10kΩ PULL UP
V
BAT
=H
V
BAT
=L
V
BAT
=H
V
BAT
=L
V
CC
=5V, R1=10kΩ PULL UP
V
CC
=5V, R2=10kΩ PULL UP
V
CC
=5V, R2=10kΩ PULL UP
V
CC
=5V, V
BAT
=0V
V
CC
=5V, V
BAT
=0V, VBD=4V
V
CC
=5V, V
BAT
=3V, VBD=5V
V
CC
=5V, I
O
=70mA
V
CC
=5V, I
O
=120mA
V
BAT
=3V, I
O
=10µA
V
BAT
=3V, I
O
=100µA
V
CC
=5V, V (T
B
) =4.5V
V
CC
=H
V
CC
=L
L, V
BAT
=3V
H, V
BAT
=3V
2.60 2.70 2.80
0.05 0.10 0.20
2.45 2.55 2.65
0.05 0.10 0.20
-
1.0
-
-
-
-
-
16
0.2
3.0
-
0.2
0.2
0.3
25
0.4
-
0.2
0.3
0.3
0.4
-
circuit detection voltage 2 MM1081N
unit
BATT hysteresis voltage 2
BD output voltage L
BD output sink current
Leakage current
I/O voltage
difference 1
MM1027
MM1081
V
SAT
1
V
SAT
2
V
SAT
3
I
BUD
V
BB
V
BB
0.25 0.4
I/O voltage difference 2
I/O voltage difference 3
External transistor driving current
Backup Power supply switching voltage
circuit Hysteresis voltage
unit
Switching voltage
MM1027
3.15 3.30 3.45
0.05 0.10 0.20
-
-
±0.08
±0.06
temperature characteristic MM1081
Loss current
V
BB
/ T
I
LOS
I
OREV
I
TCSCE
V
CC
=0V, V
BAT
=3V, I
O
=0µA
D.CONT pin : GND
V
CC
=0V, V
BAT
=3V, I
O
=0µA
D.CONT pin : OPEN
V
CC
=5V, V
TC
=0V
-
-
2.0
-
-
3.0
0.3
0.1
5.0
Reverse current
TC source current
MITSUMI [ MITSUMI ELECTRONICS, CORP. ]
