Absolute Maximum Ratings (Note 1)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

V

S

−0.3V to 6V

V+

(V

V−

+0.3V to −14V

Driver Input Voltage, T

IN

−0.3V to (V+ +0.3V)

Receiver Input Voltage, R

IN

Driver Output Voltage T

O

(V− −0.3V to (V+ + 0.3V)

Receiver Output Voltage R

O

−0.3 to (V

Short Circuit Duration, T

O

Continuous

ESD Rating

Human Body Model (Note 2)

2kV

Machine Model (Note 6)

200V

Soldering Information

Infrared or Convection

235˚C

(20sec.)

Junction Temperature

150˚C

Storage Temperature Range

−65˚C to +150˚C

Operating Ratings

Supply Voltage V

S

4.5V to 5.5V

Ambient Temperature Range, T

A

Commercial (C)

0˚C to +70˚C

Industrial (I)

−40˚C to +85˚C

Package Thermal Resistance

(Note 3)

SO

71˚C/W

WSO

55˚C/W

Electrical Characteristics

Over recommended operating supply and temperature ranges unless otherwise specified C1 = C2 = C3 = C4 = Cbp = 0.1µF

Symbol

Parameter

Conditions

Min

(Note 5)

Typ

Max

(Note 5)

Units

DC Characteristics

I

S

Supply Current

No Load, T

1

7

mA

Logic

I

INPUT

Input Leakage Current

T

µA

V

THL

Input Logic Theshold Low

T

IN

0.8

V

V

THH

Input Logic Theshold High

T

IN

2.0

V

V

OL

TTL/CMOS Output Voltage

Low

R

0.4

V

V

OH

TTL/CMOS Output Voltage

High

R

3.5

V

V

RS-232 Receiver Inputs

V

RI

Receiver Input Voltage

Range

−30

+30

V

V

RTHL

Receiver Input Theshold

Low

V

0.8

1.4

V

V

RTHH

Receiver Input Theshold

High

V

2

2.4

V

V

HYST

Receiver Input Hysteresis

V

0.2

0.6

1.0

V

R

I

Receiver Input Resistance

V

3

5

7

k

Ω

RS-232 Transmitter Outputs

V

O

Transmitter Output Voltage

Swing

All transmitters loaded with 3k

Ω to GND

R

O

Output Resistance

V

V

300

Ω

I

OS

Output Short Circuit Current

mA

Timing Characteristics

DR

Maximum Data Rate

C

R

Ω to 7kΩ

230

kbps

T

RPLH

T

RPHL

Receiver Propagation Delay C

0.08

1

µs

T

DPLH

T

DPHL

Transmitter Propagation

Delay

R

Ω,C

All transmitters loaded

2.4

µs

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