DM9081

Final

13

Version: DM9081-DS-F01

April 22, 1997

Absolute Maximum Ratings*

*Comments

Storage Temperature Range (Tstg) ........ -65

°C to +150°C

Power Dissipation (PD) ...........................................1.2W

Lead Temp. (TL) (Soldering, 10sec.) ..................... 260

°C

ESD Rating (Rzap=1.5K, Czap=100pF) ................2000V

Stresses above those listed under "Absolute Maximum

Ratings" may cause permanent damage to this device.

These are stress ratings only. Functional operation of this

device at these or any other conditions above those

indicated in the operational sections of this specification is

not implied or intended. Exposure to the absolute

maximum rating conditions for extended periods may

affect device reliability.

Symbol

Parameter

Min.

Typ.

Max.

Unit

Conditions

Input Low Voltage

-0.5

0.8

V

DGND=0.0V, Except DAT

Input High Voltage

2.0

V

Except DAT

Output Low Voltage

-

0.4

V

Output High Voltage

2.4

-

V

Input Leakage Current

(also DAT as Input)

-

10

uA

X2 Crystal Input Low Voltage

-0.5

1.0

V

DGND=0.0V

X2 Crystal Input High Voltage

3.8

V

DGND=0.0V

Crystal Input Low Current

-

10

uA

Crystal Input High Current

-

10

uA

AUI Port

Differential Output Voltage (TXP,

TXN)

550

1200

mV

78

Ω termination, and 270Ω

from each to GND

Differential Output Voltage

Imbalance (TXP, TXN)

-40

mV

78

Ω termination, and 270Ω

from each to GND

Undershoot Voltage

(TXP, TXN)

-

100

mV

78

Ω termination, and 270Ω

from each to GND

Differential Squelch Threshold

(RXP/RXN and CDP/CDN)

175

300

mV

Negative pulse

Differential Input Common Mode

Voltage

(RXP/RXN and CDP/CDN)

V

Twisted Pair Port

TP Input Voltage

350

2000

mV

TPO+/TPO-/DTPO+/DTPO-:

Low

High

-

4.9

0.1

-

V

V

DC Output Series Impedance:

TP Drives

-

10

Ω

RXD+/RXD- Input Resistance

16

24

K

Ω