MITSUMI
System Reset (with battery back-up) MM1027, 1081
Block Diagram
Absolute Maximum Ratings
Item
Storage temperature
Operating temperature
Power supply voltage
Operating voltage
Allowable loss
Output current
(Ta=25
°C
)
Symbol
T
STG
T
OPR
V
CC
max.
V
CCOP
Pd
I
O
1
I
O
1
I
O
2
Rating
-40~+125
-20~+70
7
7
300
90
120
200
Units
°
C
°
C
V
V
mW
mA
mA
µA
MM1027
MM1081
Output current
Note : I
O
1 expresses V
CC
output current value, and I
O
2 expresses V
BATT
output current value.
Electrical Characteristics
Item
Consumption
All
circuits
(Except where noted otherwise, Ta=25°C, V
CC
=5V, V
BAT
=3V)
Symbol
Measurement conditions
V
CC
=5V, V
BAT
=3V, I
O
=0mA
I
CC
1
D.CONT pin : OPEN
V
CC
=5V, V
BAT
=3V, I
O
=0mA
I
CC
2
V
S
1
V
S
1
V
S
/
V
S
2
V
S
2
V
CSL
V
CSH
I
CSH
T
V
CC
=H
L, V
BAT
=3V
H
V
CC
=5V, V
BAT
=3V, I
O
=0mA
D.CONT pin : GND
V
CC
=H
L, V
BAT
=3V, ADJ pin : OPEN
V
CC
=L H
Min. Typ. Max. Units
0.9
150
1.2
1.7
3.0
mA
µA
mA
V
V
%/
°
C
V
V
V
V
µA
MM1027
MM1081
MM1027
current 1
Consumption
current 2
210 350
2.2
3.5
CS, CS detection voltage 1
CS, CS hysteresis voltage 1
Detection voltage
-----------------
----------------
4.05 4.20 4.35
0.05 0.10 0.20
±0.08
±0.06
MM1027
temperature characteristic MM1081
CS
•
CS
circuit
CS, CS detection voltage 2
unit
ADJ pin : 12kΩ PULL UP (to V
CC
)
V
CC
=L
V
CC
=3V, I
CS
=3µA
V
CC
=5V, I
CS
=-3µA
V
CC
=5V, V
CS
=4.6V current measured
3.25 3.50 3.75
0.05 0.10 0.20
0.05 0.10
4.85 4.95
8
15
CS, CS hysteresis voltage 2
CS output voltage L
CS output voltage H
CS source current
MITSUMI [ MITSUMI ELECTRONICS, CORP. ]
