4

Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 50-668-707 • www.exar.com

SP48E,485E_00_2808

PARAMETERS

MIN.

TYP.

MAX.

UNITS CONDITIONS

SP481E

Shutdown Timing

Time to Shutdown

50

200

600

ns

RE = 5V, DE = 0V

Driver Enable from Shutdown

to Output High

40

00

ns

C

S

Driver Enable from Shutdown

to Output Low

40

00

ns

C

S

Receiver Enable from

Shutdown to Output High

300

000

ns

C

Closed

Receiver Enable from

Shutdown to Output Low

300

000

ns

C

Closed

POWER REQUIREMENTS

Supply Voltage V

CC

+4.75

+5.25

Volts

Supply Current

SP481E/SP485E

No Load

900

µA

RE, DI = 0V or V

600

µA

RE = 0V, DI = 0V or 5V; DE = 0V

SP481E

Shutdown Mode

0

µA

DE = 0V, RE = V

CC

ENVIRONMENTAL AND MECHANICAL

Operating Temperature

Commercial (_C_)

0

70

ºC

Industrial (_E_)

-40

+85

ºC

(_M_)

-40

+25

ºC

Storage Temperature

-65

+50

ºC

Package

Plastic DIP (_P)

NSOIC (_N)

ELECTRICAL CHARACTERISTICS

T