Rainbow-electronics DS1245Y_AB Bedienungsanleitung PDF herunterladen (Seite 3)

DS1245Y/AB

041497 3/12

ABSOLUTE MAXIMUM RATINGS*

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

Operating Temperature 0°C to 70°C, –40°C to +85°C for Ind parts

Storage Temperature –40°C to +70°C, –40°C to +85°C for Ind parts

Soldering Temperature 260°C for 10 seconds

* 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 (t

: See Note 10)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

DS1245AB Power Supply Voltage V

4.75 5.0 5.25 V

DS1245Y Power Supply Voltage V

4.5 5.0 5.5 V

Logic 1 V

2.2 V

Logic 0 V

0.0 0.8 V

=5V ± 5% for DS1245AB)

DC ELECTRICAL CHARACTERISTICS (t

: See Note 10) (V

=5V ± 10% for DS1245Y)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

Input Leakage Current I

–1.0 +1.0 µA

I/O Leakage Current

> V

< V

–1.0 +1.0 µA

Output Current @ 2.4V I

–1.0 mA

Output Current @ 0.4V I

2.0 mA

Standby Current CE=2.2V I

CCS1

5.0 10.0 mA

Standby Current CE=V

–0.5V I

CCS2

3.0 5.0 mA

Operating Current I

CCO1

85 mA

Write Protection Voltage

(DS1245AB)

4.50 4.62 4.75 V

Write Protection Voltage

(DS1245Y)

4.25 4.37 4.5 V

CAPACITANCE (t

= 25°C)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

Input Capacitance C

5 10 pF

Input/Output Capacitance C

I/O

5 10 pF

1 2 3 4 5 6 7 8 ... 11 12

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