DS2108S Ver la hoja de datos (PDF) - Dallas Semiconductor -> Maxim Integrated

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DS2108S

Differential SCSI Switchable Terminator

Dallas Semiconductor -> Maxim Integrated 

ABSOLUTE MAXIMUM RATINGS*

Voltage on Any Pin Relative to Ground

Operating Temperature

Storage Temperature

Soldering Temperature

-7.0V to +12.0V

0°C to 70°C

-55°C to +125°C

260°C for 10 seconds

DS2108

* 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 OPERATING CONDITIONS

PARAMETER

SYM

MIN

TERMPWR Voltage

VTP

4.00

PD Active

VPDA

-0.3

PD Inactive

VPDI

2.00

TYP

MAX

5.25

0.8

VTP +

0.3

(0°C to 70°C)

UNITS

V

V

NOTES

V

DC CHARACTERISTICS

PARAMETER

SYMBOL

TERMPWR Current

ITP

Power-down Current

IPD

Command Mode

Vem

Voltage

Termination Resistance

Termination Resistance

Termination Resistance

Power-down

Termination

RTTN

RTNP

RTPG

CPD

Capacitance

MIN

7.0

313.5

142.5

313.5

TYP

56

1

330

150

330

5

MAX

65

2

12.0

UNITS

mA

mA

V

NOTES

1, 6

1, 5

7, 8

346.5

157.5

346.5

6

ohms

ohms

ohms

pF

2

3

4

1, 5, 7

NOTES:

1. 4.00V < TERMPWR < 5.25V

2. 330 Ω=resistor between TERMPWR and -SIGNAL.

3. 150 Ω=resistor between -SIGNAL and +SIGNAL.

4. 330 Ω=resistor between +SIGNAL and GDN.

5. PD = 0.0V.

6. Signal pins left open.

7. Guaranteed by design; not production tested.

8. Signal lines RxN and RxP only.

4 of 5

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