
NT7501
27
Absolute Maximum Rating*
DC Supply Voltage (V
DD
) . . . . . . . .. . -0.3V to + 6.0V
DC Supply Voltage (V
OUT
, V
0
) . . . . . . -0.3V to + 10.5V
Input Voltage . . . . . . . . . . . . . . . -0.3V to V
DD
+ 0.3V
Operating Ambient Temperature . . . -40
°
C to + 85
°
C
Storage Temperature . . . . . . . . . .. -55
°
C to + 125
°
C
*Comments
Stresses above those listed under "Absolute Maximum
Ratings" may cause permanent damage to this device.
These are stress ratings only. Functional operation of this
device under these or any other conditions above those
indicated in the operational sections of this specification is
not implied or intended. Exposure to the absolute maximum
rating conditions for extended periods may affect device
reliability.
ELECTRICAL CHARACTERISTICS
DC Characteristics
(V
SS
= 0V, V
DD
= 2.4 - 3.5V T
A
= -40 to 85
°
C unless otherwise specified)
Symbol
Parameter
Min.
Typ.
Max.
Unit
Condition
2.4
3.5
V
2.4
3.0
V
Triple boosting
V
DD
Operating Voltage
2.4
2.4
V
Quadruple boosting
V
OUT
Booster output voltage
Voltage regulator
operation voltage
Reference voltage 1
6.0
9.0
V
V
0
5.0
8.0
V
V
REG1
2.0
2.2
2.4
V
T
A
= 25
°
C, TPS1, TPS0 = 0, 0
V
REG2
Reference voltage 2
2.25
2.45
2.65
V
T
A
= 25
°
C, TPS1, TPS0 = 0, 1
V
DD
= 3V, V
0
= 8V, built-in power supply off,
display on, display data = checker and no access,
T
A
= 25
°
C
3X boosting,
V
DD
= 3V, V
0
= 8V, built-in power
supply on, display on, display data = checker and
no access, T
A
= 25
°
C
I
DD1
Dynamic current
consumption 1
-
22
35
μ
A
I
DD2
Dynamic current
consumption 2
-
48
80
μ
A
I
SP
Sleep mode current
consumption
Standby mode current
consumption
0.01
1
μ
A
During sleep, T
A
= 25
°
C
I
SB
10
20
μ
A
During standby, T
A
= 25
°
C
V
IHC
High-level input voltage
0.8 X V
DD
V
DD
V
A0, D0 - D7, RD(E), WR (
W
R
), CS , CS2,
FR, M/S, C86, P/S and DOF
V
ILC
Low-level input voltage
V
SS
0.2 X V
DD
V
A0, D0 - D7, RD(E), WR (
W
R
), CS , CS2,
FR, M/S, C86, P/S and DOF
V
OHC
High-level output voltage
0.8 X V
DD
V
DD
V
I
OH
= -0.5mA (D0 – D7, FR, FRS, DYO, DOF
and CL)
V
OLC
Low -level output voltage
V
SS
0.2 X V
DD
I
OL
= 0.5mA (D0 – D7, FR, FRS, DYO, DOF
and CL)
Schmitt trigger input (CL, SCL(D6), TPS0, TPS1
and RES )
Schmitt trigger input (CL, SCL(D6), TPS0, TPS1
and RES )
V
IHS
High-level input voltage
0.85 X V
DD
V
DD
V
V
ILS
Low-level input voltage
V
SS
0.15 X
V
DD
V