3

Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (50)668-7000 • Fax (50)668-707 • www.exar.com SP233A,30A,32A 00_05308

Parameter

TEST CONDITIONS

MIN

TYP

MAX

Unit

DYnAMiC CHARACTERiSTiCS

Driver Propagation Delay

TTL to RS_232; CL = 50pF

.5

3.0

μs

Receiver Propagation Delay

RS-232 to TTL,

0.

.0

μs

Instantaneous Slew Rate

CL = 10pF, RL = 3-7kΩ

30

V/ μs

Transition Region Slew Rate

CL = 2500pF, RL = 3kΩ;

Measured from +3V to -3V or

-3V to +3V

0

V/ μs

Output Enable Time

SP30A and SP32A only

400

ns

Output Disable Time

SP30A and SP32A only

250

ns

PoWER REQUiREMEnTS

Vcc Power Supply Current

=25°C

0

5

mA

Vcc Power Supply Current, Loaded

All Transmitters RL = 3kΩ,

=25°C

25

mA

Shutdown Supply Current

SP30A and SP32A only

=25°C



0

μA

ELECTRiCAL CHARACTERiSTiCS

Vcc=5V ±0%, 0.

, unless otherwise noted, Typical values are Vcc=5V

=25°C

Pin ASSignMEnTS

20 pin PDIP

20 pin WSOIC

8 pin PDIP / WSOIC

8 pin WSOIC