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DS1672U-3 Datasheet(PDF) 3 Page - Maxim Integrated Products

Part # DS1672U-3
Description  I2C 32-Bit Binary Counter RTC
Download  15 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

DS1672U-3 Datasheet(HTML) 3 Page - Maxim Integrated Products

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DS1672
3 of 15
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………………………………………….See IPC/JEDEC J-STD-020 Specification
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 DC OPERATING CONDITIONS
(TA = -40°C to +85°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
DS1672-2
VCC
1.8
2.0
2.2
DS1672-3
VCC
2.7
3.0
3.3
Supply
Voltage
DS1672-33
VCC
2.97
3.3
3.63
V
1
Logic 1
VIH
0.7 x VCC
VCC + 0.5
V
1
Logic 0
VIL
-0.5
+0.3 x VCC
V
1
Backup Supply Voltage
VBACKUP
1.3
3.0
3.63
V
1
DC ELECTRICAL CHARACTERISTICS
(VCCMIN < VCC < VCCMAX, TA = -40°C to +85°C.)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Active Supply Current
ICCA
600
µA
2
Standby Current
ICCS
500
µA
3
2.70
2.88
2.97
2.45
2.6
2.7
Power-Fail Voltage
VPF
1.58
1.7
1.8
V
VBACKUP Leakage Current
IBACKUPLKG
25
50
nA
Logic 0 Output (VOL = 0.4V)
IOL
3
mA
1, 4
(VCC > 2V;
VOL = 0.4V)
3
Logic 0
Output
(DS1672-2)
(VCC < 2V;
VOL = 0.2 x VCC)
IOL
3
mA
1, 4
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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