Rainbow-electronics DS1339 Bedienungsanleitung PDF herunterladen (Seite 14)

DS1339

14 of 18

ABSOLUTE MAXIMUM RATINGS*

Voltage Range on Any Pin Relative to Ground -0.3V to +6.0V

Operating Temperature Range -40°C to +85°C

Storage Temperature Range -55°C to +125°C

Soldering Temperature Range 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

= -40°C to +85°C) (Note 12)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

Supply Voltage, DS1339-2 V

1.8 2.0 2.2 V

Supply Voltage, DS1339-3 V

2.7 3.0 3.3 V

Supply Voltage, DS1339-33 V

2.97 3.3 3.63 V

Backup Supply Voltage V

BACKUP

1.3 3.0 3.7 V

Logic 1 V

0.7 V

+ 0.5 V

Logic 0 V

-0.5 0.3 V

Power-Fail Voltage, DS1339-2 V

1.58 1.70 1.80 V

Power-Fail Voltage, DS1339-3 V

2.45 2.59 2.70 V

Power-Fail Voltage, DS1339-33 V

2.70 2.85 2.97 V

DC ELECTRICAL CHARACTERISTICS

= MIN to MAX, T

= -40°C to +85°C) (Note 12)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

Input Leakage I

I/O Leakage I

Logic 0 Out V

= 0.4V, V

> V

Min (-3, -33), V

≥ 2.0V (-2)

3mA2

Logic 0 Out V

= 0.2 (V

)

1.8V < V

< 2.0V (DS1339-2)

3mA2

Logic 0 Out V

- 0.2 (V

)

1.3V < V

< 1.8V (DS1339-2)

250 µA 2

Active Current I

CCA

450

Vcc Standby Current I

CCS

80 150

Trickle Charge Resistor Register

10h = A5h, V

= Typ, V

BACKUP

= 0V

R1 250 

Trickle Charge Resistor Register

10h = A6h, V

= Typ, V

BACKUP

= 0V

R2 2000 

Trickle Charge Resistor Register

10h = A7h, V

= Typ, V

BACKUP

= 0V

R3 4000 

BACKUP

Leakage Current I

BKLKG

25 100 nA

DC ELECTRICAL CHARACTERISTICS (V

= 0V, T

= -40°C to +85°C) (Note 12)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

BACKUP

Current EOSC = 0, SQW Off

BKOSC

400 700 nA 10

BACKUP

Current EOSC = 0, SQW On

BKSQW

600 1000 nA 10

BACKUP

Current EOSC = 1

BKDR

10 100 nA 10

1 2 ... 9 10 11 12 13 14 15 16 17 18

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