SP319 datasheet(2/14 Pages) SIPEX

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SP319DS/08

SP319 20Mbps, +5V-Only V.35 Interface with RS-232 (V.28) Control Lines

ABSOLUTE MAXIMUM RATINGS

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.

CC.....................................................................................................+7V

Input Voltages

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

CC+0.5V)

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

CC+0.5V)

Receivers..................................................

±30V at ≤100mA

Output Voltages

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

CC+0.5V)

Drivers.......................................................................

±14V

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

CC+0.5V)

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

Power Dissipation per Package

80-pin QFP (derate 18.3mW/oC above +70oC)..........................1500mW

SPECIFICATIONS

AMB = TMIN to TMAX and VCC = 5V±5% unless otherwise noted.

PARAMETER

MIN.

TYP.

MAX.

UNITS

CONDITIONS

V.35 DRIVER

TTL Input Levels

0.8

Volts

2.0

Volts

Voltage Outputs

Open Circuit Voltage

+1.2

Volts

Refer to

Figure 1

Differential Outputs

+0.44

+0.55

+0.66

Volts

L=100Ω from A to B; Figure 2

Source Impedance

100

150

Ohms

Figure 4

Short Circuit Impedance

135

150

165

Ohms

Measured from A=B to Gnd,

OUT=-2V to +2V; Figure 5; TAMB = +25

Voltage Output Offset

-0.6

+0.6

Volts

Offset={[|VA|+|VB|]/2}; Figure 3

AC Characteristics

AMB = +25

oC for all AC parameters

Transition Time

10% to 90%;

Figure 6

Maximum Transmission Rate

Mbps

DIFF OUT= 0.55V+20% ; Figure 9

Propagation Delay

PHL

100

Measured from 1.5V of V

to 50% of V

OUT; Figure 9, 10

PLH

100

Measured from 1.5V of V

to 50% of V

OUT; Figure 9, 10

V.35 RECEIVER

TTL Output Levels

0.4

Volts

OUT=-3.2mA

2.4

Volts

OUT=1.0mA

Receiver Inputs

Differential Input

Threshold

-0.3

+0.3

Volts

Input Impedance

100

110

Ohms

Figure 7

Short Circuit Impedance

135

150

165

Ohms

Measured from A=B to Gnd

IN=-2V to +2V; Figure 8; TAMB = +25

AC Characteristics

AMB = +25

oC for all AC parameters

Maximum Transmission Rate

Mbps

IN = +0.55V +20%; Figure 9

Propagation Delay

PHL

Measured from 50% of V

IN to

1.5V of R

OUT; Figure 9, 11

PLH

Measured from 50% of V

IN to

1.5V of R

OUT; Figure 9, 11

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