2

Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (50) 668-707 • www.exar.com

SP320_00_092208

These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the

specifications below is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.

V

Input Voltages

Logic...................................................-0.3V to (V

Drivers................................................-0.3V to (V

Receivers...............................................±30V at ≤100mA

Output Voltages

Logic...................................................-0.3V to (V

Drivers.......................................................................±4V

Receivers............................................-0.3V to (V

Storage Temperature.......................................................-65˚C to +150

Power Dissipation.....................................................................500mW

Package Derating

Ø

Ø

pArAMeter

Min.

tYp.

MAX.

Units

conditions

V.35 driVer

TTL Input Level V

IL

0.8

Volts

TTL Input Level V

IH

2.0

Volts

Voltage Outputs

Differential Outputs

±0.44

±0.55

±0.66

Volts

R

Source Impedance

50

00

50

Ohms

Short Circuit Impedance

35

50

65

Ohms

Measured from A=B to GND,

V

Voltage Output Offset

-0.6

+0.6

Volts

V

AC Characteristics

Transition Time

40

ns

Rise/Fall time, 0% to 90%

Maximum Transmission Rate

5

Mbps

R

Propagation Delay t

PHL

50

250

ns

Measured from .5V of V

of V

OUT

Propagation Delay t

PLH

50

250

ns

Measured from .5V of V

of V

OUT

V.35 receiVer

TTL Output levels

V

OL

0.4

Volts

I

V

OH

2.4

Volts

I

Receiver Inputs

Differential Input Threshold

-0.3

+0.3

Volts

Input Impedance

90

00

0

Ohms

Short circuit Impedance

35

50

65

Ohms

Measured from A=B to GND,

V

AC Characteristics

Maximum Transmission Rate

5

Mbps

V

Propagation Delay t

PHL

50

250

ns

Measured from 50% of V

of R

OUT

Propagation Delay t

PLH

50

250

ns

Measured from 50% of V

of R

OUT

ABsoLUte MAXiMUM rAtinGs

eLectricAL cHArActeristics

T