SP207EHDS/08

SP207EH Series High Performance 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 Transmission Rate

480

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

0V

≤ R

SP213 EN = V

CC

T

RS232 OUTPUT

Output Voltage Swing

+5

+7

Volts

All transmitter outputs loaded

with 3K

Ω to ground

Output Resistance

300

Ω

V

Output Short Circuit Current

+25

mA

Infinite duration, V

RS232 INPUT

Voltage Range

–15

+15

Volts

Voltage Threshold

Low

0.8

1.2

Volts

V

High

1.7

2.8

Volts

V

Hysteresis

0.2

0.5

1.0

Volts

V

Resistance

3

5

7

k

Ω

V

DYNAMIC CHARACTERISTICS

Driver Propagation Delay

250

ns

TTL–to–RS-232

Receiver Propagation Delay

200

500

ns

RS-232–to–TTL

Instantaneous Slew Rate

TBD

V/

µsC

T

Transition Time

TBD

µsC

measured from +3V to –3V

or –3V to +3V

Output Enable Time

400

ns

Output Disable Time

250

ns

Power Dissipation Per Package