DS1374 Maxim, DS1374 Datasheet - Page 3

• Manufacturer Part Number: DS1374
• Description: The DS1374 is a 32-bit binary counter designed to continuously count time in seconds
• Manufacturer: Maxim

DC ELECTRICAL CHARACTERISTICS
(V
DC ELECTRICAL CHARACTERISTICS
(V
Trickle-Charge Current-Limiting
Resistors
Input Leakage
I/O Leakage
RST Pin I/O Leakage
SDA Logic 0 Output (V
RST, SQW, and INT Logic 0
Outputs (Note 12)
Active Supply Current
(Notes 12, 13)
Standby Current (Notes 12, 14)
V
(V
V
SQW OFF
V
SQW ON (32kHz)
V
(OSC OFF)
CC
BACKUP
CC
BACKUP
BACKUP
BACKUP
BACKUP
= V
= 0V, V
CC(MIN)
Leakage Current
Current (OSC ON);
Current (OSC ON);
Data-Retention Current
PARAMETER
PARAMETER
= 3.7V)
I
BACKUP
2
C, 32-Bit Binary Counter Watchdog RTC with
to V
CC(MAX)
= 3.7V, T
OL
= 0.4V)
, T
Trickle Charger and Reset Input/Output
A
A
= -40°C to +85°C, unless otherwise noted.) (Note 2)
= -40°C to +85°C, unless otherwise noted.) (Note 2)
I
I
SYMBOL
BACKUPDR
BACKUPLKG
SYMBOL
I
I
BKOSC1
BKOSC2
I
I
LORST
OLSDA
I
I
I
CCA
CCS
I
R1
R2
R3
OL1
I
LO
LI
_____________________________________________________________________
(Note 15)
(Notes 15, 16)
(Note 6)
(Note 7)
(Note 8)
(Note 9)
(Note 10)
(Note 11)
V
1.71V < V
1.3V < V
DS1374-18
DS1374-3
DS1374-33
DS1374-18
DS1374-3
DS1374-33
CC
> 2V; V
CC
CC
OL
< 1.71V; V
< 2V; V
CONDITIONS
CONDITIONS
= 0.4V
OL
OL
= 0.2 V
= 0.2 V
CC
CC
MAX
-200
MIN
-1
-1
2000
4000
TYP
TYP
250
110
180
115
400
600
75
60
80
25
MAX
MAX
1000
250
150
200
300
100
125
175
100
700
100
3.0
3.0
3.0
+1
+1
+1
UNITS
UNITS
mA
mA
μA
μA
μA
μA
nA
nA
nA
nA
3