REV: A DATE:12/03/2003

+5V High-Speed RS232 Transceivers

© Copyright 2000 Sipex Corporation

2

ABSOLUTE MAXIMUM RATINGS

These are stress ratings only and functional operation of the device

at these 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

T

R

Output Voltages

T

R

Short Circuit Duration on T

Power Dissipation

Plastic DIP .......................................................................... 375mW

(derate 7mW/°C above +70°C)

Small Outline ...................................................................... 375mW

(derate 7mW/°C above +70°C)

SPECIFICATIONS

V

PARAMETER

MIN.

TYP.

MAX.

UNIT

CONDITIONS

TTL INPUTS

T

Logic Threshold

V

IL

0.8

Volts

V

IH

2.0

Volts

Logic Pullup Current

15

200

µAT

Maximum Data Rate

120

kbps

C

TTL OUTPUTS

Compatibility

TTL/CMOS

V

OL

0.4

Volts

I

V

OH

3.5

Volts

I

Leakage Current

0.05

±10

µA

EN = V

T

RS-232 OUTPUT

Output Voltage Swing

±5

±7

Volts

All transmitter outputs loaded

with 3kΩ to ground

Output Resistance

300

Ohms

V

Output Short Circuit Current

±25

mA

Infinite duration

RS-232 INPUT

Voltage Range

–15

+15

Volts

Voltage Threshold

LOW

0.8

1.2

Volts

V

HIGH

1.7

2.4

Volts

V

Hysteresis

0.2

0.5

1.0

Volts

V

Resistance

3

5

7

kΩ

±15V; T

DYNAMIC CHARACTERISTICS

Propagation Delay

1.5

µs

RS-232–to–TTL

Instantaneous Slew Rate

30

V/µsC

T

Transition Region Slew Rate

5

V/µsC

measured from +3V to –3V

or –3V to +3V

Output Enable Time

400

ns

Output Disable Time

250

ns