Rainbow Electronics DS1672 - Manual (Page 2)

DS1672
2 of 12
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground -0.5V to +6.0V
Operating Temperature Range -40 °C to +85°C
Storage Temperature Range -55 °C to +125°C
Soldering Temperature See IPC/JEDEC J-STD-020A
This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operation
sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time can affect reliability.
RECOMMENDED DC OPERATING CONDITIONS
(T
A
= -40 °C to +85°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
V
CC
2.97 3.3 3.63 V 1
V
CC
2.7 3.0 3.3 V 1
Supply Voltage (DS1672-33)
(DS1672-3)
(DS1672-2)
V
CC
1.8 2.0 2.2 V 1
Logic 1 V
IH
0.7V
CC
V
CC
+ 0.5 V 1
Logic 0 V
IL
-0.5 0.3V
CC
V 1
Backup Supply Voltage V
BACKUP
1.3 3.0 3.63 V 1
Note 1: All voltages referenced to ground.
DC ELECTRICAL CHARACTERISTICS
(V
CCMIN
< V
CC
< V
CCMAX,
T
A
= -40 °C to +85°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Active Supply Current I
CCA
600 mA 2
Standby Current I
CCS
500 mA 3
Power-Fail Voltage V
PF
2.80 2.88 2.97 V
Power-Fail Voltage V
PF
2.5 2.6 2.7 V
Power-Fail Voltage V
PF
1.6 1.7 1.8 V
V
BACKUP
Leakage Current I
BACKUPLKG
25 50 nA
Logic 0 Output (V
OL
= 0.4V) I
OL
3 mA 1, 4
Logic 0 Output (DS1672-2)
(V
CC
> 2 V; V
OL
= 0.4V)
(V
CC
< 2 V; V
OL
= .2V
CC
)
I
OL
3
3
mA 1, 4
Note 1: All voltages referenced to ground.
Note 2: I
CCA
specified with SCL clocking at max frequency (400kHz), trickle charger disabled.
Note 3: I
CCS
specified with V
CC
= V
CCTYP
and SDA, SCL = V
CCTYP
, trickle charger disabled.
Note 4: SDA and RST .