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DS1390 Datasheet

  • DS1390

  • Low-Voltage SPI/3-Wire RTCs with Trickle Charger

  • 742.60KB

  • MAXIM   MAXIM

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Low-Voltage SPI/3-Wire RTCs with
Trickle Charger
DS1390/DS1391/DS1392/DS1393
ABSOLUTE MAXIMUM RATINGS
Voltage Range on V
CC
Pin Relative to Ground .....-0.3V to +6.0V
Voltage Range on Inputs Relative
to Ground ...............................................-0.3V to (V
CC
+ 0.3V)
Operating Temperature Range ...........................-40擄C
to +85擄C
Storage Temperature Range .............................-55擄C to +125擄C
Soldering Temperature .......................................See IPC/JEDEC
J-STD-020A Specification
Stresses beyond those listed under 鈥淎bsolute Maximum Ratings鈥?may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
RECOMMENDED DC OPERATING CONDITIONS
(V
CC
= V
CC(MIN)
to V
CC(MAX)
, T
A
= -40擄C to +85擄C, unless otherwise noted. Typical values are at nominal supply voltage and T
A
= +25擄C,
unless otherwise noted.) (Note 1)
PARAMETER
Supply Voltage (Note 2)
SYMBOL
DS139x-33
V
CC
DS139x-3
DS139x-18
Logic 1
Logic 0
Supply Voltage, Pullup
SQW/INT, SQW,
INT,
V
CC
= 0V
V
BACKUP
Voltage (Note 2)
V
IH
V
IL
V
PU
(Note 2)
(Note 2)
(Note 2)
-33
V
BACKUP
-3
-18
-33
Power-Fail Voltage (Note 2)
V
PF
R1
Trickle-Charge Current-Limiting
Resistors
Input Leakage
I/O Leakage
RST
Pin I/O Leakage
DOUT Logic 1 Output
DOUT Logic 0 Output
Logic 0 Output
(DS1390/DS1393 SQW/INT;
DS1392 SQW,
INT;
DS1391/DS1393
RST)
V
CC
Active Supply Current
(Note 10)
R2
R3
I
LI
I
LO
I
LORST
I
OHDOUT
I
OHDOUT
-3
-18
(Notes 3, 4)
(Notes 3, 5)
(Notes 3, 6)
(Note 7)
(Note 8)
(Note 9)
-33, -3 (V
OH
= 0.85 x V
CC
)
-18 (V
OH
= 0.80 x V
CC
)
-33, -3 (V
OL
= 0.15 x V
CC
)
-18 (V
OL
= 0.20 x V
CC
)
V
CC
> 1.71V; V
OL
= 0.4V
I
OLSIR
1.3V < V
CC
< 1.71V; V
OL
= 0.4V
-33
I
CCA
-3
-18
250
2
2
500
碌A(chǔ)
mA
碌A(chǔ)
-1
-1
-200
1.3
1.3
1.3
2.70
2.45
1.51
CONDITIONS
MIN
2.97
2.7
1.71
0.7 x
V
CC
-0.3
TYP
3.3
3.0
1.8
MAX
5.50
3.3
1.89
V
CC
+
0.5
+0.3 x
V
CC
5.5
3.0 V
CC(MAX)
3.0
3.0
2.88
2.6
1.6
250
2000
4000
+1
+1
+10
-1
0.750
3
2
3.0
碌A(chǔ)
碌A(chǔ)
碌A(chǔ)
mA
mA
mA
鈩?/div>
3.7
3.7
2.97
2.70
1.71
V
V
V
V
V
UNITS
V
2
_____________________________________________________________________

DS1390 PDF文件相關(guān)型號

DS1390-DS1393,DS1390U-18,DS1390U-3,DS1391U-18,DS1391U-3,DS1392U-18,DS1392U-3,DS1393U-18,DS1393U-3

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