Rainbow-electronics DS2502 Bedienungsanleitung PDF herunterladen (Seite 21)

DS2502

21 of 22 102199

ABSOLUTE MAXIMUM RATINGS*

Voltage on any Pin Relative to Ground -0.5V to +12.0V

Operating Temperature -40°C to +85°C

Storage Temperature -55°C to +125°C

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.

DC ELECTRICAL CHARACTERISTICS (V

PUP

=2.8V to 6.0V; -40°C to +85°C)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

Logic 1 V

2.2 V 1, 6

Logic 0 V

-0.3 +0.8 V 1, 11

Output Logic Low @ 4 mA V

0.4 V 1

Output Logic High V

PUP

6.0 V 1, 2

Input Load Current I

µA

Operating Charge Q

30 nC 7, 8

Programming Voltage @ 10 mA V

11.5 12.0 V

CAPACITANCE (t

=25°C)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

Data (1-Wire) C

IN/OUT

800 pF 9

AC ELECTRICAL CHARACTERISTICS (V

PUP

=2.8V to 6.0V; -40°C to +85°C)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

Time Slot t

SLOT

60 120 µs

Write 1 Low Time t

LOW1

1 15 µs

Write 0 Low Time t

LOW0

60 120 µs

Read Data Valid t

RDV

exactly 15 µs

Release Time t

RELEASE

0 15 45 µs

Read Data Setup t

1 µs 5

Recovery Time t

REC

1 µs

Reset Time High t

RSTH

480 µs 4

Reset Time Low t

RSTL

480 µs

Presence Detect High t

PDH

15 60 µs

Presence Detect Low t

PDL

60 240 µs

Delay to Program t

5 ms 10

Delay to Verify t

5 µs 10

Program Pulse Width t

480 5000 µs 10, 12

Program Voltage Rise Time t

0.5 5.0 µs 10

Program Voltage Fall Time t

0.5 5.0 µs 10

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