Rainbow-electronics DS1672 Manual de usuario descargar pdf (Pagina 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

= -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

0.7V

+ 0.5 V 1

Logic 0 V

-0.5 0.3V

Backup Supply Voltage V

BACKUP

1.3 3.0 3.63 V 1

Note 1: All voltages referenced to ground.

DC ELECTRICAL CHARACTERISTICS

CCMIN

< V

CCMAX,

= -40°C to +85°C)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

Active Supply Current I

CCA

600

Standby Current I

CCS

500

Power-Fail Voltage V

2.80 2.88 2.97 V

Power-Fail Voltage V

2.5 2.6 2.7 V

Power-Fail Voltage V

1.6 1.7 1.8 V

BACKUP

Leakage Current I

BACKUPLKG

25 50 nA

Logic 0 Output (V

= 0.4V) I

3 mA 1, 4

Logic 0 Output (DS1672-2)

> 2 V; V

= 0.4V)

< 2 V; V

= .2V

)

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

= V

CCTYP

and SDA, SCL = V

CCTYP

, trickle charger disabled.

Note 4: SDA and RST .

1 2 3 4 5 6 7 ... 11 12

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Rainbow-electronics DS1672 Manual de usuario Pagina 2

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