Rainbow-electronics DS1286 Manual do Utilizador descarregar pdf (Página 8)

DS1286

8 of 13

TIME OF DAY ALARM MASK BITS Figure 3

(3)MINUTES (5)HOURS (7)DAYS

1 1 1 ALARM ONCE PER MINUTE

0 1 1 ALARM WHEN MINUTES MATCH

0 0 1 ALARM WHEN HOURS AND MINUTES MATCH

0 0 0 ALARM WHEN HOURS, MINUTES, AND DAYS

MATCH

ABSOLUTE MAXIMUM RATINGS*

Voltage on Any Pin Relative to Ground -0.3V to +7.0V

Operating Temperature 0°C to 70°C

Storage Temperature -40°C to +70°C

Soldering Temperature 260°C for 10 seconds (See Note 14)

* 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 (0°C to 70°C)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

Power Supply Voltage V

4.5 5.0 5.5 V 10

Input Logic 1 V

2.2 V

+0.3 V 10

Input Logic 0 V

-0.3 0.8 V 10

DC ELECTRICAL CHARACTERISTICS (0°C to 70°C; V

= 5V ±=10%)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

Input Leakage Current I

-1.0 +1.0

µA

Output Leakage Current I

-1.0 +1.0

µA

I/O Leakage Current

CE ≥ V

≤ V

LIO

-1.0 +1.0

µA

Output Current @ 2.4V I

-1.0 mA

Output Current @ 0.4V I

2.0 mA 13

Standby Current CE = 2.2V

CCS1

3.0 7.0 mA

Standby Current CE > V

-0.5

CCS2

4.0 mA

Active Current I

15 mA

Write Protection Voltage V

4.25 V

CAPACITANCE (t

= 25°C)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

Input Capacitance C

710pF

Output Capacitance C

OUT

710pF

Input/Output Capacitance C

I/O

710pF

1 2 3 4 5 6 7 8 9 10 11 12 13

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