Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (50)668-7000 • www.exar.com SP202E,232E,233E, 30E, 32E_00_0608

2

AbSoLUTE MAxiMUM RATingS

This is a stress rating only and functional operation of

the device at these ratings or any other above those

indicated in the operation section of the specification

is not implied. Exposure to absolute maximum ratings

conditions for extended periods of time may affect re-

liability.

V+........................................................................... (Vcc-0.3V) to +.0V

V- .............................................................................-.0V

Input Voltages

Tin.....................................................-0.3V to (Vcc + 0.3V)

Rin............................................................................+/-5V

Output Voltages

Tout...............................................(V+, +0.3V) to (V-, -0.3V

Rout...................................................-0.3V to (Vcc + 0.3V)

Short Circuit duration

Tout.....................................................Continuous

Package Power Dissipation:

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

(derate 7mW/°C above +70°C)

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

(derate 7mW/°C above +70°C)

Storage Temperature..................-65°C to +50°C

ELECTRiCAL CHARACTERiSTiCS

PARAMETER

TEST ConDiTionS

Min

TYP

MAx

UniT

TTL inPUT

Logic Threshold LOW

T

0.8

Volts

Logic Threshold HIGH

T

2.0

Volts

Logic Pull-Up Current

T

5

200

μA

TTL oUTPUT

Output Voltge LOW

0.4

Volts

Output Voltage HIGH

3.5

Volts

Leakage Current **;

0.05

+/-0

μA

RS-232 oUTPUT

Output Voltage Swing

all Transmitter outputs loaded

with 3k ohms to GND

+/-5.0

+/-6

Volts

Output Resistance

Vcc = 0V, Vout = +/-2V

300

Ohms

Output Short Circuit Current

Infinite Duration

+/-8

mA

Maximum Data Rate

CL = 2500pF, RL = 3kΩ

20

240

kbps

RS-232 inPUT

Voltage Range

-5

+5

Volts

Voltage Threshold LOW

Vcc = 5V,

0.8

.2

Volts

Voltage Threshold HIGH

Vcc = 5V,

.7

2.8

Volts

Hysteresis

Vcc = 5V,

0.2

0.5

.0

Volts

Resistance

3

5

7

kΩ

** SP30E and SP32E only