DS2482-800 Ver la hoja de datos (PDF) - Dallas Semiconductor -> Maxim Integrated

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DS2482-800

Eight-Channel 1-Wire Master

Dallas Semiconductor -> Maxim Integrated 

DS2482-800: Eight-Channel 1-Wire Master

ABSOLUTE MAXIMUM RATINGS

Voltage Range on Any Pin Relative to Ground

Maximum Current Into Any Pin

Operating Temperature Range

Junction Temperature

Storage Temperature Range

Soldering Temperature

-0.5V, +6V

±20mA

-40°C to +85°C

+150°C

-55°C to +125°C

See IPC/JEDEC J-STD-020A

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only,

and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is

not implied. Exposure to the absolute maximum rating conditions for extended periods may affect device.

ELECTRICAL CHARACTERISTICS

(VCC = 2.9V to 5.5V, TA = -40°C to +85°C.)

PARAMETER

SYMBOL

CONDITIONS

Supply Voltage

Operating Current

1-Wire Input High

1-Wire Input Low

VCC

3.3V

5V

ICC

(Note 1)

3.3V (Notes 2, 3)

VIH1

5V (Notes 2, 3)

3.3V (Notes 2, 3)

VIL1

5V (Notes 2, 3)

1-Wire Weak Pullup Resistor

1-Wire Output Low

Active Pullup On Time

RWPU

VOL1

tAPUOT

(Note 4)

At 4mA load

Standard (Notes 4, 5)

Overdrive (Notes 4, 5)

Strong Pullup Voltage Drop

3.3V Pulldown Slew Rate

(Note 6)

5V Pulldown Slew Rate

(Note 6)

3.3V Pullup Slew Rate (Note 6)

5V Pullup Slew Rate (Note 6)

DVSTRPU

PDSRC

PDSRC

PUSRC

PUSRC

VCC ³ 3.2V, 1.5mA load

VCC ³ 5.2V, 3mA load

Standard (3.3V ±5%)

Overdrive (3.3V ±5%)

Standard (5.0V ±5%)

Overdrive (5.0V ±5%)

Standard (3.3V ±5%)

Overdrive (3.3V ±5%)

Standard (5.0V ±5%)

Overdrive (5.0V ±5%)

Power-On Reset Trip Point

VPOR

1-Wire TIMING (Note 16) See Figures 3, 5, 6, and 7

Write 1/Read Low Time

Standard

tW1L

Overdrive

Read Sample Time

Standard

tMSR

Overdrive

1-Wire Time Slot

Fall Time High-to-Low at

Standard Speed (Note 6)

Fall Time High-to-Low at

Overdrive Speed (Note 6)

Standard

tslot

Overdrive

3.3V to 0V (Note 5)

5.5V to 0V (Note 5)

tF1

3.3V to 0V (Note 5)

5.5V to 0V (Note 5)

MIN TYP MAX UNITS

2.9

3.3

3.7

4.5

5.0

5.5

V

0.75

mA

1.9

3.4

V

0.75

1.0

V

800

1675

W

0.4

V

2.3

2.5

2.7

0.4

0.5

0.6

µs

0.3

V

0.5

1

4.2

5

22.1

V/µs

2

10

6.5

40

V/µs

0.8

4

1.3

6

V/µs

2.7

20

3.4

31

V/µs

2.2

V

7.6

8

8.4

0.9

1

1.1

µs

13.3

14

15

µs

1.4

1.5

1.8

65.8 69.3

72.8

µs

9.9

10.5

11.0

0.6

2.6

0.7

2.2

µs

0.1

0.5

0.1

0.4

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