DS1672
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground……………………………………………..-0.5V to +6.0V
Operating Temperature Range (noncondensing) ...…………………………………………-40°C to +85°C
Storage Temperature Range……………………………………………………………….-55°C to +125°C
Soldering Temperature (reflow)………………………………………….………………….
+260°C
Lead Temperature (soldering, 10s) ……………………………………………………………….. +260°C
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 device
reliability.
RECOMMENDED OPERATING CONDITIONS
(TA = -40°C to +85°C) (Note 1)
PARAMETER
Supply
Voltage
DS1672-2
DS1672-3
DS1672-33
Logic 1
Logic 0
Backup Supply Voltage
SYMBOL
VCC
VCC
VCC
VIH
VIL
VBACKUP
MIN
1.8
2.7
2.97
0.7 x VCC
-0.5
1.3
TYP
2.0
3.0
3.3
3.0
Note 1: All voltages referenced to ground.
MAX
5.5
5.5
5.5
VCC + 0.5
+0.3 x VCC
3.63
UNITS
V
V
V
V
DC ELECTRICAL CHARACTERISTICS
(VCCMIN < VCC < VCCMAX, TA = -40°C to +85°C.) (Note 1)
PARAMETER
SYMBOL CONDITIONS
Active Supply Current
(Note 2)
Standby Current
(Note 3)
Power-Fail Voltage
ICCA
-2: VCC = 2.2V
-3: VCC = 3.3V
-33: VCC = 3.63V
ICCS
-2: VCC = 2.2V
-3: VCC = 3.3V
-33: VCC = 3.63V
VPF
-2:
-3:
-33:
VBACKUP Leakage Current
Logic 0 Output (Note 4)
Logic 0 Output (Note 4,
DS1672-2 Only)
IBACKUPLKG
IOL
IOL
VOL = 0.4V
VCC > 2V; VOL = 0.4V
VCC < 2V; VOL = VCC
* 0.2
MIN
2.70
2.45
1.58
TYP
2.88
2.60
1.70
25
MAX
600
500
2.97
2.70
1.80
50
3
3
UNITS
µA
µA
V
nA
mA
mA
Note 1: All voltages referenced to ground.
Note 2: ICCA specified with SCL clocking at max frequency (400kHz), trickle charger disabled.
Note 3: ICCS specified with VCC = VCCTYP and SDA, SCL = VCCTYP, trickle charger disabled.
Note 4: SDA and RST.
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