DS1672

8 of 13

ABSOLUTE MAXIMUM RATINGS*

Voltage on Any Pin Relative to Ground

-0.3V to +6.0V

Operating Temperature

-40

°C to +85°C

Storage Temperature

-55

°C to +125°C

Soldering Temperature

See J-STD-020A specification

* This is a stress rating only and functional operation of the device at these or any other conditions above

those indicated in the operation sections of this specification is not implied. Exposure to absolute

maximum rating conditions for extended periods of time may affect reliability.

RECOMMENDED DC OPERATING CONDITIONS

(-40

°C to +85°C)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

2.97

3.3

3.63

V

1

2.7

3.0

3.3

V

1

Supply Voltage (DS1672-33)

(DS1672-3)

(DS1672-2)

1.8

2.0

2.2

V

1

Logic 1

V

1

Logic 0

-0.5

V1

Backup Supply Voltage

1.3

3.6

V

1

DC ELECTRICAL CHARACTERISTICS

DS1672-33

(-40

°C to +85°C; V

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Active Supply Current

2mA

7

Standby Current

500

µA

8

Power-Fail Voltage

2.80

2.88

2.97

V

1

DC ELECTRICAL CHARACTERISTICS

DS1672-3

(-40

°C to +85°C; V

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Active Supply Current

2mA

7

Standby Current

500

µA

9

Power-Fail Voltage

2.5

2.6

2.7

V

1

DC ELECTRICAL CHARACTERISTICS

DS1672-2

(-40

°C to +85°C; V

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Active Supply Current

2mA

7

Standby Current

500

µA

10

Power-Fail Voltage

1.6

1.7

1.8

V

1

DC ELECTRICAL CHARACTERISTICS

(-40

°C to +85°C; V

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Timekeeping Current

1

µA

12

Backup Standby Current

(Oscillator Off)

200

nA

13