Date: 8/3/04

+ 5V Powered Multi-Channel RS-232 Drivers/Receivers

© Copyright 2004 Sipex Corporation

2

ABSOLUTE MAXIMUM RATINGS

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.

V

CC

...............................................................................................................................................................

+6V

Input Voltages:

T

IN

.......................................................................................................................

–0.3 to (Vcc +0.3V)

R

IN

............................................................................................................................................................

±30V

Output Voltages:

T

OUT

.................................................................................................

(V+, +0.3V) to (V–, –0.3V)

R

OUT

..............................................................................................................

–0.3V to (Vcc +0.3V)

Short Circuit Duration:

T

OUT

.........................................................................................................................................

Continuous

Power Dissipation:

CERDIP .............................................................................. 675mW

(derate 9.5mW/°C above +70°C)

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

(derate 7mW/°C above +70°C)

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

(derate 7mW/°C above +70°C)

ELECTRICAL CHARACTERISTICS

All units Vcc=+5V±10%; except SP235A/B, Vcc=+5V±5%; All specifications T

unless otherwise noted.

PARAMETERS

MIN.

TYP.

MAX.

UNITS

CONDITIONS

POWER REQUIREMENTS

Vcc Power Supply Current

5

10

mA

No load, T

Shutdown Supply Current

1

10

µAT

LOGIC INPUTS

Input Logic Threshold

Low

0.8

Volts

T

High

2.0

Volts

T

Logic Pullup Current

15

200

µAT

RS-232 INPUTS

RS-232 Input Voltage Range

-30

+30

Volts

RS-232 Input Threshold

Low

0.8

1.2

Volts

Vcc = 5V, T

High

1.7

2.4

Volts

Vcc = 5V, T

RS-232 Input Hysteresis

0.2

0.5

1.0

Volts

Vcc = 5V

RS-232 Input Resistance

3

5

7

kOhms

T

LOGIC OUTPUTS

Output Voltage

Low

0.4

Volts

I

High

3.5

Volts

I

Output Leakage Current

0.05

±10

µA

EN = V

RS-232 OUTPUTS

Output Enable Time

400

ns

SP235A/B, SP236A/B,

SP241A/B

Output Disable Time

250

ns

SP235A/B, SP236A/B,

SP241A/B

Propagation Delay

1.5

µs

RS232 to TTL

Instantaneous Slew Rate

30

V/µsC

T

RS-232 OUTPUTS

Transition Region Slew Rate

3

V/µsC

measured from +3V to -3V or

-3V to +3V

Output Voltage Swing

±5

±9

Volts

All transmitter outputs loaded

with 3kΩ to Ground

Output Resistance

300

Ohms

V

±2V

RS-232 Output Short Circuit Current

±10

mA

Infinite duration