DS1340Z-18 Maxim Integrated Products, DS1340Z-18 Datasheet - Page 3

• Manufacturer Part Number: DS1340Z-18
• Description: IC RTC I2C W/CHARGER 1.8V 8-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/Trickle-Chargerr

Specifications of DS1340Z-18

• Time Format: HH:MM:SS (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 1.71 V ~ 1.89 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Memory Size: -

RECOMMENDED DC OPERATING CONDITIONS
(V
otherwise noted.) (Note 1)
DC ELECTRICAL CHARACTERISTICS
(V
Supply Voltage (Note 8)
Input Logic 1 (SDA, SCL)
Input Logic 0 (SDA, SCL)
Supply Voltage, Pullup
(FT/OUT, SDA, SCL), V
Backup Supply Voltage (Note 8)
Trickle-Charge Current-Limiting
Resistors
Power-Fail Voltage (Note 8)
Input Leakage (SCL, CLK)
I/O Leakage (SDA, FT/OUT)
SDA Logic 0 Output
FT/OUT Logic 0 Output
Active Supply Current (Note 13)
Standby Current (Note 14)
V
V
V
CC
CC
BACKUP
BACKUP
BACKUP
= 0V, V
= V
CC MIN
PARAMETER
Leakage Current
PARAMETER
Current
Data-Retention Current
BACKUP
to V
CC MAX
= 3.7V, T
CC
= 0V
, T
A
A
= -40°C to +85°C, unless otherwise noted.) (Note 1)
= -40°C to +85°C, unless otherwise noted. Typical values are at V
I
I
BACKUPLKG
SYMBOL
BACKUPDR
I
I
I
SYMBOL
V
BACKUP1
BACKUP2
BACKUP3
I
I
BACKUP
OLSQW
OLSDA
I
I
V
V
V
CCA
V
I
CCS
V
R1
R2
R3
I
LO
CC
PU
LI
PF
IH
IL
_____________________________________________________________________
OSC ON, FT = 0 (Note 15)
OSC ON, FT = 1 (Note 15)
OSC ON, FT = 0, V
T
OSC OFF
DS1340-18
DS1340-3
DS1340-33
(Note 8)
(Note 8)
(Note 8)
DS1340-18
DS1340-3
DS1340-33
(Notes 9, 10)
(Note 11)
(Note 12)
DS1340-18
DS1340-3
DS1340-33
V
1.7V < V
V
1.7V < V
1.3V < V
DS1340-18
DS1340-3
DS1340-33
DS1340-18
DS1340-3
DS1340-33
V
A
I
CC
CC
BACKUP
= +25°C (Notes 15, 16)
2
> 2V; V
> 2V; V
C RTC with Trickle Charger
CC
CC
CC
= 3.7V
< 2V; V
< 2V; V
< 1.7V; V
OL
OL
CONDITIONS
CONDITIONS
= 0.4V
= 0.4V
BACKUP
OL
OL
OL
= 0.2 x V
= 0.2 x V
= 0.2x V
= 3.0V,
CC
CC
CC
0.7 x V
MIN
1.71
2.97
1.51
2.45
2.70
MIN
-0.3
2.7
1.3
1.3
1.3
-1
-1
CC
CC
= 3.3V, T
2000
4000
TYP
2.88
TYP
25.0
250
108
192
100
800
850
800
1.8
3.0
3.3
1.6
2.6
72
60
81
+0.3 x V
V
CC
A
MAX
MAX
1150
1250
1000
1.89
1.71
2.97
= +25°C, unless
250
150
200
300
100
125
150
100
100
3.3
5.5
+ 0.3
5.5
3.7
3.7
5.5
2.7
3.0
3.0
3.0
3.0
+1
+1
CC
UNITS
UNITS
mA
mA
µA
µA
µA
µA
µA
nA
nA
nA
Ω
V
V
V
V
V
V
3